Why My AI Agents Needed CaneCorso as a Security Control Plane

Posted on May 4, 2026 by Brent Huston

AI agents are powerful because they can read, reason, summarize, decide, and act across a wide range of information sources.

That is also what makes them dangerous.

The more useful an agent becomes, the more likely it is to consume data I do not fully trust. Emails. Newsletters. RSS feeds. API responses. Documents sent as attachments. Social media. YouTube transcripts. Scraped search results. Web pages. Translated content. Random bits of text pulled from places where I do not control the author, the formatting, the intent, or the payload.

That is a very different security model than the one most of us are used to.

In traditional applications, we spend a lot of time separating code from data, users from administrators, trusted networks from untrusted networks, and internal systems from the internet. With LLMs and agents, all of those boundaries start to blur. Instructions, context, content, and intent all arrive in the same stream. The model has to reason over that stream, and the agent has to decide what to do with the result.

That is exactly why I wanted a security control plane in front of my own AI agents.

For me, that control plane became CaneCorso™.

CaneCorsoAI

The Problem Was Not Theoretical

My agents support me personally. They monitor and process a wide range of information sources, each usually aligned to a specific focus area, query, or web mission. Some are looking for security research. Some are watching industry news. Some are digesting newsletters. Some are collecting data from APIs, documents, email attachments, social media, transcripts, and scraped search results.

In other words, they spend their time eating untrusted data.

That creates a meaningful risk profile.

I wanted to protect the agents against prompt injection and malformed data attacks. I also wanted to protect upstream and downstream systems from malicious URLs, private data exposure, and unsafe content that could be carried forward into decision-making. These agents are not just producing novelty summaries. Their outputs are used to support decisions.

That matters.

If an agent reads a poisoned page, a malicious email, or a document with hidden instructions, I do not want that content passed directly to the underlying LLM. If the LLM produces something unsafe, misleading, privacy-sensitive, or operationally risky, I do not necessarily want that output passed into the next stage of logic without inspection.

Before CaneCorso, the basic pipeline looked like this:

Collect inputs → summarize/extract → reason/decide → write output.

There was some logging in place for decision analysis, KPIs, and tuning. But logging is not a trust boundary. Observability is useful after the fact. It does not, by itself, prevent hostile or malformed content from entering the LLM context window.

I needed something more like a firewall for agentic workflows.

Moving CaneCorso Into the Agent Path

CaneCorso is now the single control plane for multiple agents in my environment.

Each agent has a defined CaneCorso workflow and API key configured with specific rules and outcomes. From a security practitioner’s perspective, the model feels familiar. It is not unlike firewall or IPS policy tuning. Each workflow can be adjusted based on what the agent does, what data it sees, and what level of risk is acceptable for that mission.

Every agent now sends data through CaneCorso before that data is passed to an LLM.

That is the first and most important control point. Untrusted input does not go straight to the model anymore. It is inspected, filtered, redacted, defanged, and rated before the LLM sees it.

About half of my agents also send the LLM output corpus back through CaneCorso for a second pass before the result is allowed into downstream decision logic. That double-checking pattern has become important for workflows where the output itself may influence actions, prioritization, or further analysis.

The result is a two-layer safety pattern:

Input inspection before the LLM.

Output inspection before downstream use.

That simple architectural shift changes the trust model. I am no longer depending only on model behavior, prompt discipline, or good luck. I have a monitored, auditable control plane sitting in the path.

Token Vault Sanitization and SIEM Logging

One of the other important pieces for me has been token vault sanitization.

Private or sensitive values can be protected before they move through the workflow. That is especially important when agents are handling emails, documents, API results, and mixed internal/external content. Even personal agents can encounter sensitive material, and enterprise agents will almost certainly do so.

I am also sending full transaction details, safety ratings, and decision-making context into my SIEM logs.

That is not just for compliance theater. It gives me a way to perform forensics, review blocked or redacted content, tune policies over time, and understand how different sources behave. If a feed repeatedly triggers injection protections, I can see that. If a workflow is too permissive or too noisy, I can tune it. If something gets blocked, I can understand why.

That feedback loop is essential.

AI security is not a one-and-done configuration exercise. The attack patterns are evolving. The data sources change. The agents change. The business logic changes. The controls need to be visible enough and adjustable enough to keep up.

The Integration Experience

My agents are written in Python, and the CaneCorso documentation made the integration straightforward.

The samples were relevant, accurate, and concise. I started by building a simple API harness from the documentation. Then I tuned that harness for each agent so it used the proper workflow-specific API key. After that, I used the CaneCorso web GUI to tune each workflow.

The first agent took about 30 minutes.

Each following agent took about 10 minutes.

That is an important detail for buyers. This did not turn into a rewrite of my agent stack. It felt more like adding a security middleware layer or API gateway into the agent path. Once the pattern existed, repeating it across agents was simple.

The workflow tuning was also approachable. The GUI presents functional modules in plain language. You can turn capabilities on and off and tune the behavior without needing to write complex detection logic or understand obscure heuristics. Security people will recognize the rhythm: enable controls, test, review outcomes, tune, and repeat.

It felt like firewall or IPS rule tuning, but for AI workflows.

After testing, the agents were back in service. The system has been running seamlessly for weeks with no significant hiccups.

What It Has Caught

So far, I have seen multiple prompt injection redactions. That is not surprising, because some of my agents monitor discussions around LLM threats and AI security. In those environments, malicious or adversarial examples are not theoretical. They show up in the data.

I have also had excellent results with PII redaction and URL defanging.

The URL handling matters more than many people realize. Agents often collect links, summarize pages, follow references, or pass URLs into later workflows. Defanging malicious or suspicious URLs reduces the chance that a downstream system, user, or automation accidentally treats dangerous content as safe.

The PII redaction has also been strong. For agentic workflows, privacy protection has to be built into the pipeline. You do not want every agent team inventing its own ad hoc redaction function, especially in a regulated environment.

Another pleasant surprise has been cross-language support. Some of the feeds my agents process are in languages other than English. CaneCorso has handled injection protection well even when the LLM is being used for translation. That is a big deal, because attackers do not have to limit themselves to English, and global data sources rarely cooperate with neat security assumptions.

Latency has been in the milliseconds per API call on consumer-grade hardware.

Not too shabby.

The Confidence Gain

The biggest practical gain has been confidence.

CaneCorso does not make untrusted data magically trustworthy. No tool does that. But it significantly raises the trust level of the workflow, even when some of the data is known to be hostile or suspicious.

That confidence matters when agents are used for decision support. I am more comfortable letting agents process messy public data because I know the underlying LLMs and downstream systems have another layer of protection. I am not relying solely on system prompts, model alignment, or careful source selection.

The web is untrusted. Email is untrusted. Documents are untrusted. Social media is untrusted. Scraped content is untrusted.

Agent architectures need to be designed with that assumption in mind.

Why Potential Buyers Should Care

Prompt injection is real, prevalent, and dangerous.

We are still early in the evolution of LLM attacks. The patterns are changing quickly, and the impact will grow as agents gain access to more tools, more data, and more authority. It does not take much imagination to see these attacks evolving into deeper compromise, exfiltration, fraud, and ransomware-style workflows.

That is why I think anyone experimenting with or implementing AI agents should be looking closely at this class of control.

If your agents consume data that is not 100% trusted, you need a plan.

That applies to security teams, automation teams, developers building RAG applications, MSPs, MSSPs, executives using personal agents, and organizations building internal agentic workflows. It applies even more strongly to regulated organizations.

In my opinion, regulated organizations implementing agentic workflows without this level of protection are asking for trouble.

The enterprise argument is especially straightforward. It makes sense to have a single, monitored, auditable control plane for agents so every team does not have to roll its own controls. Without that shared layer, each agent team makes its own decisions about redaction, prompt injection protection, URL handling, logging, blocking, alerting, and auditability.

That is expensive.

It is inconsistent.

It is hard to defend.

A shared control plane reduces time, cost, and mistrust. It makes agent adoption safer and helps organizations move toward ROI without pretending the risks are not there.

The Buyer’s Note

CaneCorso is not magic.

No product can provide 100% trust in untrusted data. That is not how security works, and it is definitely not how AI security works.

But the right control can raise the trust level significantly. It can provide a consistent inspection point. It can enforce privacy protections. It can defang URLs. It can redact prompt injection attempts. It can generate logs. It can give security teams something concrete to monitor, tune, and audit.

That is the point.

The organizations that succeed with AI agents will not be the ones that simply connect models to everything and hope for the best. They will be the ones that build control points, observe behavior, tune policies, and treat agentic workflows like the high-impact systems they are becoming.

For my own agents, CaneCorso became that control point.

And once it was in place, I would not want to run them without it.

How to Learn More or Leverage MSI Expertise

If you want to discuss our experience with CaneCorso in more detail, or pilot the tool in your own environment, just get in touch. You can reach us at info@microsolved.com, or give us a call at +1.614.351.1237. We’d be happy to have a zero-pressure discussion with you. Thanks for reading, and stay safe out there!

CaneCorso™ and the Real Problems AI Is Creating for the Business

Posted on April 22, 2026 by Brent Huston

AI didn’t sneak into the enterprise.

It walked in through productivity.

Email triage. Document handling. Support workflows. Internal copilots. Retrieval systems. Early agentic use cases. All of it made sense at the time. All of it still does.

But something changed along the way.

We didn’t just adopt AI—we embedded it into workflows that can influence decisions, expose data, and take action.

That’s where the problem starts.

And it’s exactly where CaneCorso™ is designed to operate.

CaneCorsoAI

AI Risk Isn’t a Model Problem — It’s a Workflow Problem

There’s a persistent misunderstanding in the market right now.

Most conversations about AI security still center on the model—what it knows, how it behaves, whether it can be tricked.

That’s not where the real risk lives.

The real risk shows up when:

Untrusted content enters a workflow
That workflow uses AI to interpret or transform it
And the output influences business operations

That content might come from:

Email
Documents
OCR pipelines
Retrieved knowledge (RAG)
Support tickets
External data sources

Once it’s in the workflow, it’s no longer just data.

It’s influence.

CaneCorso™ exists to control that influence—before it becomes an operational problem.

The Perimeter Moved — Most Organizations Didn’t

Traditional security models assume boundaries.

Applications. Networks. Endpoints. Users.

AI workflows don’t respect those boundaries.

They collapse:

Data
Instructions
Context
Intent

…into the same channel.

That creates an entirely different risk profile:

Prompt injection (direct and indirect)
Data exfiltration through prompt manipulation
RAG poisoning and retrieval contamination
Multimodal attacks through documents and images
Unsafe tool usage triggered by manipulated inputs

These are not theoretical edge cases.

They are natural outcomes of how AI is being used today.

CaneCorso™ addresses this by acting as a shared AI Application Firewall—a control layer that sits in front of real workflows, not just models.

Small Businesses: The Problem Is Safe Adoption

Small organizations aren’t trying to solve AI security academically.

They’re trying to use AI without breaking the business.

They typically don’t have:

Dedicated AI security engineering
Time to build custom controls
Resources to continuously test workflows

But they still face the same risks.

For them, the core problem is simple:

How do we use AI without creating exposure we don’t understand?

CaneCorso™ answers that by providing:

A reusable control layer
Business-safe handling decisions (allow, sanitize, tokenize, block)
Protection against injection and data leakage
Minimal disruption to workflow performance

The goal isn’t perfection.

It’s safe, practical adoption.

Mid-Size Organizations: The Problem Is Inconsistency

Mid-market firms hit a different wall.

AI use spreads quickly—but control does not.

You end up with:

One team securing prompts one way
Another team building ad hoc filters
A third team doing nothing at all

What looks like progress is actually fragmentation.

And fragmentation creates risk.

Because now:

Policies are inconsistent
Logging is inconsistent
Enforcement is inconsistent
Assurance is impossible

CaneCorso™ solves this by introducing a single control plane across workflows.

Not by replacing tools.

But by normalizing how risk is handled across:

Inputs
Prompts
Retrieved data
Outputs

That shift—from local fixes to shared control—is what enables real governance.

Enterprise: The Problem Is Scale and Assurance

Enterprises don’t struggle with whether to use AI.

They struggle with using it at scale without losing control.

The complexity shows up quickly:

More workflows
More data sources
More sensitive content
More downstream impact

Risk concentrates in places like:

Document ingestion pipelines
Retrieval systems
Internal copilots
Agent-driven workflows
Tool-connected AI systems

At that scale, the question changes.

It’s no longer:

“Are we protected?”

It becomes:

“Can we prove we are operating safely?”

CaneCorso™ addresses both sides:

Centralized protection across workflows
Measurable assurance through testing and auditable decisions

Because at enterprise scale, security without evidence is just opinion.

The Difference: Protect the Workflow Without Breaking It

This is where most approaches fail.

Traditional security thinking leans toward blocking.

If something looks suspicious, stop it.

That works—until it breaks the business.

AI workflows are different.

They require more nuance.

CaneCorso™ is built around that reality:

Allow when safe
Sanitize when needed
Tokenize when privacy matters
Block when necessary

That model matters.

Because the goal is not to stop work.

The goal is to keep safe work moving.

The Reality Behind the Threats

It’s easy to focus on the technical attacks:

Prompt injection
Indirect injection
Data exfiltration attempts
RAG poisoning
Tool abuse

But in practice, those attacks succeed because of how systems are built and used.

Developers concatenate untrusted input into prompts
Teams trust retrieved content without validation
Users paste sensitive data into workflows
Agent permissions expand faster than controls
Deployments happen without adversarial testing

These are normal behaviors.

CaneCorso™ works because it assumes those realities—not ideal conditions.

What Actually Changes

When organizations put a control layer like CaneCorso™ in place, the impact is operational.

Not theoretical.

You see:

Reduced likelihood of avoidable AI-driven incidents
Less sensitive data leakage
Fewer workflow failures from brittle controls
Faster, safer AI adoption
A clearer story for auditors, customers, and leadership

That last point matters more than most people realize.

Because AI isn’t just a technology decision anymore.

It’s a business trust decision.

Final Thoughts: Rational AI Security

There are two bad approaches to AI right now.

Move fast and ignore the risk.

Or lock everything down and lose the value.

Neither works.

What organizations actually need is a rational approach:

Small businesses need safe adoption
Mid-size businesses need consistency
Enterprises need scale and assurance

CaneCorso™ aligns with that reality.

Not by trying to “solve AI.”

But by solving the actual problem:

controlling how untrusted content influences real business workflows.

That’s the shift.

And it’s where AI security either becomes operational—or irrelevant.

More Info

To learn more, just give us a call at +1.614.351.1237, or drop us a line at info@microsolved.com. We’d love to walk you through how CaneCorso can help you secure the AI future of your business!

* AI tools were used as a research assistant for this content, but human moderation and writing are also included. The included images are AI-generated.

Introducing CaneCorso: An AI Application Firewall Built for Real Workflows

Posted on April 16, 2026 by Brent Huston

AI has officially crossed the line from experiment to infrastructure.

Email flows into copilots. Documents feed RAG pipelines. Support tickets trigger agents that can take action. The convenience is real—and so is the risk.

What hasn’t caught up is security.

Most security models were built for a world where inputs were predictable and trust boundaries were well-defined. That world doesn’t exist anymore. Today, untrusted content flows directly into systems that can reason, decide, and act.

That’s exactly where things get interesting—and dangerous.

When Good Data Carries Bad Instructions

One of the biggest misconceptions about AI security is that it’s a model problem. It’s not. It’s a workflow problem.

Attackers don’t need to break in anymore. They ride along with legitimate data—emails, PDFs, tickets, knowledge base entries—and inject instructions that your AI system may interpret as truth.

Think about what that means in practice:

A support ticket that contains hidden instructions
A PDF with embedded prompt injection
A knowledge base entry that poisons RAG outputs
An approval workflow manipulated through summarization

Layer in human behavior—blind trust, over-privileged access, weak validation—and you’ve got a system primed to fail in ways that traditional controls simply won’t catch.

CaneCorsoAI

A More Rational Approach to AI Security

CaneCorso™ takes a different path.

Instead of trying to block everything suspicious (and breaking workflows in the process), it follows what’s described in the Rational AI Security model —security that behaves more like an immune system than a wall.

That means:

Detecting and isolating threats without stopping the system
Treating all inbound content as untrusted by default
Preserving business continuity while reducing risk
Producing measurable, auditable outcomes

This isn’t theoretical. It’s a direct response to how AI systems actually behave in production.

One Control Plane for AI Workflows

At its core, CaneCorso gives you a shared AI Application Firewall—a single control plane that sits between your workflows and your models.

Instead of every team building its own brittle filters, you get consistent, reusable protection across:

Email triage and analysis
RAG pipelines and knowledge systems
Document AI and OCR ingestion
Support and ticketing workflows
Agent-driven automation

The platform delivers:

Runtime decisions: allow, sanitize, tokenize, or block
Privacy controls: redact or tokenize sensitive data before model exposure
Audit-ready logs: reasons, scores, and evidence you can actually use
Adversarial validation: Injection Scanner proves controls before and after deployment

This isn’t just about stopping attacks—it’s about making security operationally usable.

How It Works (Without Breaking Everything)

CaneCorso is built around a simple but effective model:

Connect the workflow
Mailboxes, agents, or document pipelines send raw content through a single control point.
Evaluate risk
The system analyzes both security threats and privacy exposure in real time.
Apply the right action
Policies determine whether content is allowed, sanitized, tokenized, or blocked.
Keep work moving
Safe content continues downstream with context, scores, and auditability intact.

The key difference? It doesn’t rely on hard blocking as the default.

Inline tokenization replaces only the unsafe portion of content—meaning the workflow continues, the business operates, and the risk is neutralized.

Why This Matters Right Now

The perimeter has moved.

AI systems don’t just process data—they act on it. That turns every input into a potential control decision.

The threat landscape outlined in the workflow map highlights the shift:

Indirect prompt injection from internal or trusted sources
Multimodal attacks hidden in images, PDFs, or OCR text
Human-in-the-loop deception during approvals
Over-privileged workflows amplifying impact

These aren’t edge cases. They’re becoming normal operating conditions.

Measurable Security, Not Assumptions

One of the most important shifts CaneCorso introduces is moving security from belief to proof.

The Injection Scanner continuously tests workflows against adversarial scenarios, providing measurable evidence that controls work:

Before deployment
After changes
During audits or customer reviews

That matters for engineering teams. It matters for security teams. And it definitely matters when someone asks, “How do you know this is safe?”

Final Thoughts: Security That Matches Reality

For years, security teams have had to choose between protection and usability.

In the AI era, that trade-off doesn’t hold up.

CaneCorso is built on a simple idea: protect the workflow without breaking it. That means embracing how AI systems actually work—messy inputs, probabilistic outputs, and human decision-making in the loop.

If you’re deploying AI in any meaningful way, the question isn’t whether you’ll face these risks.

It’s whether you’ll be ready when you do.

Learn More

To learn more about CaneCorso, schedule a demo, or discuss your environment:

Email: info@microsolved.com
Phone: +1.614.351.1237
Explainer Video: Click Here To Watch Video

Building MSI PromptDefense Suite: How a Safety Tool Became a Security Platform

Posted on March 10, 2026 by Brent Huston

The Impetus: Wanting Something We Could Actually Run

Like many security folks watching the rise of LLM-driven workflows, I kept hearing the same conversations about prompt injection. They were thoughtful discussions. Smart people. Solid theory.

But the theory wasn’t what I wanted.

What I wanted was something we could actually run.

The moment that really pushed me forward came when I started testing real prompt-injection payloads against simple LLM workflows that pull content from the internet. Suddenly, the problem didn’t feel abstract anymore. A malicious instruction buried in retrieved text could quietly override system instructions, leak data, or coerce tools.

At that point, the goal became clear: build a practical defensive layer that could sit between untrusted content and an LLM — and make sure the application didn’t fall apart when something suspicious showed up.

AISecImage

What I Set Out to Build

The initial concept was simple: create a defensive scanner that could inspect incoming text before it ever reached a model. That idea eventually became PromptShield.

PromptShield focuses on defensive controls:

Scanning untrusted text and structured data
Detecting prompt injection patterns
Applying context-aware policies based on source trust
Routing suspicious content safely without crashing workflows

But I quickly realized something important:

Security teams don’t just need blocking.

They need proof.

That realization led to the second tool in the suite: InjectionProbe — an offensive assessment library and CLI designed to test scripts and APIs with standardized prompt-injection payloads and produce structured reports.

The goal became a full lifecycle toolkit:

PromptShield – Prevent prompt injection and sanitize risky inputs
InjectionProbe – Prove whether attacks still succeed

In other words: one suite that both blocks attacks and verifies what still slips through.

The Build Journey

Like many engineering projects, the first version was far from elegant. It started with basic pattern matching and policy routing.

From there, the system evolved quickly:

Structured payload scanning
JSON logging and telemetry
Regression testing harnesses
Red-team simulation frameworks

Over time the detection logic expanded to handle a wide range of adversarial techniques including:

Direct prompt override attempts
Data exfiltration instructions
Tool abuse and role hijacking
Base64 and encoded payloads
Leetspeak and Unicode confusables
Typoglycemia attacks
Indirect retrieval injection
Transcript and role spoofing
Many-shot role chain manipulation
Multimodal instruction cues
Bidi control character tricks

Each time a bypass appeared, it became part of a versioned adversarial corpus used for regression testing.

That was a turning point: attacks became test cases, and the system started behaving more like a traditional secure software project with CI gates and measurable thresholds.

The Fun Part

The most satisfying moments were watching the “misses” shrink after each defensive iteration.

There’s something deeply rewarding about seeing a payload that slipped through last week suddenly fail detection tests because you tightened a rule or added a new heuristic.

Another surprisingly enjoyable part was the naming process.

What started as a set of ad-hoc scripts slowly evolved into something that looked like a real platform. Eventually the pieces came together under a single identity: the MSI PromptDefense Suite.

That naming step might seem cosmetic, but it matters. Branding and workflow clarity are often what turn a security experiment into something teams actually adopt.

Lessons Learned

A few practical lessons emerged during the process:

Defense and offense must evolve together. Building detection without testing is guesswork.
Fail-safe behavior matters. Detection should never crash the application path.
Attack corpora should be versioned like code. This prevents security regressions.
Context-aware policy is a major win. Not all sources deserve the same trust level.
Clear reporting drives adoption. Security tools need outputs stakeholders can understand.

One practical takeaway: prompt injection testing should look more like unit testing than traditional penetration testing. It should be continuous, automated, and measurable.

Where Things Landed

The final result is a fully operational toolkit:

PromptShield defensive scanning library
InjectionProbe offensive testing framework
CI-style regression gates
JSON and Markdown assessment reporting

The suite produces artifacts such as:

injectionprobe_results.json
injectionprobe_findings_todo.md
assessment_report.json
assessment_report.md

These outputs give both developers and security teams a consistent way to evaluate the safety posture of AI-integrated systems.

What Comes Next

There’s still plenty of room to expand the platform:

Semantic classifiers layered on top of pattern detection
Adapters for queues, webhooks, and agent frameworks
Automated baseline policy profiles
Expanded adversarial benchmark corpora

The AI ecosystem is evolving quickly, and defensive tooling needs to evolve just as fast.

The good news is that the engineering model works: treat attacks like test cases, keep the corpus versioned, and measure improvements continuously.

More Information and Help

If your organization is integrating LLMs with internet content, APIs, or automated workflows, prompt injection risk needs to be part of your threat model.

At MicroSolved, we work with organizations to:

Assess AI-enabled systems for prompt injection risks
Build practical defensive guardrails around LLM workflows
Perform offensive testing against AI integrations and agent systems
Implement monitoring and policy enforcement for production environments

If you’d like to explore how tools like the MSI PromptDefense Suite could be applied in your environment — or if you want experienced consultants to help evaluate the security of your AI deployments — contact the MicroSolved team to start the conversation.

Practical AI security starts with testing, measurement, and iterative defense.

* AI tools were used as a research assistant for this content, but human moderation and writing are also included. The included images are AI-generated.

Identity Security Is Now the #1 Attack Vector — and Most Organizations Are Not Architected for It

Posted on December 8, 2025 by Brent Huston

How identity became the new perimeter

In 2025, identity is no longer simply a control at the edge of your network — it is the perimeter. As organizations adopt SaaS‑first strategies, hybrid work, remote access, and cloud identity federation, the traditional notion of network perimeter has collapsed. What remains is the identity layer — and attackers know it.

Today’s breaches often don’t involve malware, brute‑force password cracking, or noisy exploits. Instead, adversaries leverage stolen tokens, hijacked sessions, and compromised identity‑provider (IdP) infrastructure — all while appearing as legitimate users.

SyntheticID

That shift makes identity security not just another checkbox — but the foundation of enterprise defense.

Failure points of modern identity stacks

Even organizations that have deployed defenses like multi‑factor authentication (MFA), single sign‑on (SSO), and conditional access policies often remain vulnerable. Why? Because many identity architectures are:

Overly permissive — long‑lived tokens, excessive scopes, and flat permissioning.
Fragmented — identity data is scattered across IdPs, directories, cloud apps, and shadow IT.
Blind to session risk — session tokens are often unmonitored, allowing token theft and session hijacking to go unnoticed.
Incompatible with modern infrastructure — legacy IAMs often can’t handle dynamic, cloud-native, or hybrid environments.

In short: you can check off MFA, SSO, and PAM, and still be wide open to identity‑based compromise.

Token‑based attack: A walkthrough

Consider this realistic scenario:

An employee logs in using SSO. The browser receives a token (OAuth or session cookie).
A phishing attack — or adversary-in-the-middle (AiTM) — captures that token after the user completes MFA.
The attacker imports the token into their browser and now impersonates the user — bypassing MFA.
The attacker explores internal SaaS tools, installs backdoor OAuth apps, and escalates privileges — all without tripping alarms.

A single stolen token can unlock everything.

Building identity security from first principles

The modern identity stack must be redesigned around the realities of today’s attacks:

Identity is the perimeter — access should flow through hardened, monitored, and policy-enforced IdPs.
Session analytics is a must — don’t just authenticate at login. Monitor behavior continuously throughout the session.
Token lifecycle control — enforce short token lifetimes, minimize scopes, and revoke unused sessions immediately.
Unify the view — consolidate visibility across all human and machine identities, across SaaS and cloud.

How to secure identity for SaaS-first orgs

For SaaS-heavy and hybrid-cloud organizations, these practices are key:

Use a secure, enterprise-grade IdP
Implement phishing-resistant MFA (e.g., hardware keys, passkeys)
Enforce context-aware access policies
Monitor and analyze every identity session in real time
Treat machine identities as equal in risk and value to human users

Blueprint: continuous identity hygiene

Use systems thinking to model identity as an interconnected ecosystem:

Pareto principle — 20% of misconfigurations lead to 80% of breaches.
Inversion — map how you would attack your identity infrastructure.
Compounding — small permissions or weak tokens can escalate rapidly.

Core practices:

Short-lived tokens and ephemeral access
Just-in-time and least privilege permissions
Session monitoring and token revocation pipelines
OAuth and SSO app inventory and control
Unified identity visibility across environments

30‑Day Identity Rationalization Action Plan

Day	Action
1–3	Inventory all identities — human, machine, and service.
4–7	Harden your IdP; audit key management.
8–14	Enforce phishing-resistant MFA organization-wide.
15–18	Apply risk-based access policies.
19–22	Revoke stale or long-lived tokens.
23–26	Deploy session monitoring and anomaly detection.
27–30	Audit and rationalize privileges and unused accounts.

More Information

If you’re unsure where to start, ask these questions:

How many active OAuth grants are in our environment?
Are we monitoring session behavior after login?
When was the last identity privilege audit performed?
Can we detect token theft in real time?

If any of those are difficult to answer — you’re not alone. Most organizations aren’t architected to handle identity as the new perimeter. But the gap between today’s risks and tomorrow’s solutions is closing fast — and the time to address it is now.

Help from MicroSolved, Inc.

At MicroSolved, Inc., we’ve helped organizations evolve their identity security models for more than 30 years. Our experts can:

Audit your current identity architecture and token hygiene
Map identity-related escalation paths
Deploy behavioral identity monitoring and continuous session analytics
Coach your team on modern IAM design principles
Build a 90-day roadmap for secure, unified identity operations

Let’s work together to harden identity before it becomes your organization’s softest target. Contact us at microsolved.com to start your identity security assessment.

References

BankInfoSecurity – “Identity Under Siege: Enterprises Are Feeling It”
SecurityReviewMag – “Identity Security in 2025”
CyberArk – “Lurking Threats in Post-Authentication Sessions”
Kaseya – “What Is Token Theft?”
CrowdStrike – “Identity Attacks in the Wild”
Wing Security – “How to Minimize Identity-Based Attacks in SaaS”
SentinelOne – “Identity Provider Security”
Thales Group – “What Is Identity Security?”
System4u – “Identity Security in 2025: What’s Evolving?”
DoControl – “How to Stop Compromised Account Attacks in SaaS”

* AI tools were used as a research assistant for this content, but human moderation and writing are also included. The included images are AI-generated.

Securing AI / Generative AI Use in the Enterprise: Risks, Gaps & Governance

Posted on October 14, 2025 by Brent Huston

Imagine this: a data science team is evaluating a public generative AI API to help with summarization of documents. One engineer—trying to accelerate prototyping—uploads a dataset containing customer PII (names, addresses, payment tokens) without anonymization. The API ingests that data. Later, another user submits a prompt that triggers portions of the PII to be regurgitated in an output. The leakage reaches customers, regulators, and media.

This scenario is not hypothetical. As enterprise adoption of generative AI accelerates, organizations are discovering that the boundary between internal data and external AI systems is porous—and many have no governance guardrails in place.

VendorRiskAI

According to a recent report, ~89% of enterprise generative AI usage is invisible to IT oversight—that is, it bypasses sanctioned channels entirely. Another survey finds that nearly all large firms deploying AI have seen risk‑related losses tied to flawed outputs, compliance failures, or bias.

The time to move from opportunistic pilots toward robust governance and security is now. In this post I map the risk taxonomy, expose gaps, propose controls and governance models, and sketch a maturity roadmap for enterprises.

Risk Taxonomy

Below I classify major threat vectors for AI / generative AI in enterprise settings.

1. Model Poisoning & Adversarial Inputs

Training data poisoning: attackers insert malicious or corrupted data into the training set so that the model learns undesirable associations or backdoors.
Backdoor / trigger attacks: a model behaves normally unless a specific trigger pattern (e.g. a token or phrase) is present, which causes malicious behavior.
Adversarial inputs at inference time: small perturbations or crafted inputs cause misclassification or manipulation of model outputs.
Prompt injection / jailbreaking: an end user crafts prompts to override constraints, extract internal context, or escalate privileges.

2. Training Data Leakage

Sensitive training data (proprietary IP, PII, trade secrets) may inadvertently be memorized by large models and revealed via probing.
Even with fine‑tuning, embeddings or internal layers might leak associations that can be reverse engineered.
Leakage can also occur via model updates, snapshots, or transfer learning pipelines.

3. Inference-Time Output Attacks & Leakage

Model outputs might infer relationships (e.g. “given X, the missing data is Y”) that were not explicitly in training but learned implicitly.
Large models can combine inputs across multiple queries to reconstruct confidential data.
Malicious users can sample outputs exhaustively or probe with adversarial prompts to elicit sensitive data.

4. Misuse & “Shadow AI”

Shadow AI: employees use external generative tools outside IT visibility (e.g. via personal ChatGPT accounts) and paste internal documents, violating policy and leaking data.
Use of unconstrained AI for high-stakes decisions without validation or oversight.
Automation of malicious behaviors (fraud, social engineering) via internal AI capabilities.

5. Compliance, Privacy & Governance Risks

Violation of data protection regulations (e.g. GDPR, CCPA) via improper handling or cross‑boundary transfer of PII.
In regulated industries (healthcare, finance), AI outputs may inadvertently produce disallowed inferences or violate auditability requirements.
Lack of explainability or audit trails makes it hard to prove compliance or investigate incidents.
Model decisions may reflect bias, unfairness, or discriminatory patterns that trigger regulatory or reputational liabilities.

Gaps in Existing Solutions

Traditional security tooling is blind to AI risks: DLP, EDR, firewall rules do not inspect semantic inference or prompt-based leakage.
Lack of visibility into model internals: Most deployed models (especially third‑party or foundation models) are black boxes.
Sparse standards & best practices: While frameworks exist (NIST AI RMF, EU AI Act, ISO proposals), concrete guidance for securing generative AI in enterprises is immature.
Tooling mismatch: Many AI governance tools are nascent and do not integrate smoothly with existing enterprise security stacks.
Team silos: Data science, DevOps, and security often operate in silos. Defects emerge at the intersection.
Skill and resource gaps: Few organizations have staff experienced in adversarial ML, formal verification, or privacy-preserving AI.
Lifecycle mismatch: AI models require continuous retraining, drift detection, versioning—traditional security is static.

Governance & Defensive Strategies

Below are controls, governance practices, and architectural strategies enterprises should consider.

AI Risk Assessment / Classification Framework

Inventorize all AI / ML assets (foundation models, fine‑tuned models, inference APIs).
Classify models by risk tier (e.g. low / medium / high) based on sensitivity of inputs/outputs, business criticality, and regulatory impact.
Map threat models for each asset: e.g. poisoning, leakage, adversarial use.
Integrate this with enterprise risk management (ERM) and vendor risk processes.

Secure Development & DevSecOps for Models

Embed adversarial testing, fuzzing, red‑teaming in model training pipelines.
Use data validation, anomaly detection, outlier filtering before ingesting training data.
Employ version control, model lineage, and reproducibility controls.
Build a “model sandbox” environment with strict controls before production rollout.

Access Control, Segmentation & Audit Trails

Enforce least privilege access for training data, model parameters, hyperparameters.
Use role-based access control (RBAC) and attribute-based access (ABAC) for model execution.
Maintain full audit logging of prompts, responses, model invocations, and guardrails.
Segment model infrastructure from general infrastructure (use private VPCs, zero trust).

Privacy / Sanitization Techniques

Use differential privacy to add noise and limit exposure of individual records.
Use secure multiparty computation (SMPC) or homomorphic encryption for sensitive computations.
Apply data anonymization / tokenization / masking before use.
Use output filtering / content policies to supersede model outputs that might leak or violate policy.

Monitoring, Anomaly Detection & Runtime Guardrails

Monitor model outputs for anomalies, drift, suspicious prompting patterns.
Use “canary” prompts or test probes to detect model corruption or behavior shifts.
Rate-limit or throttle requests to model endpoints.
Use AI-defense systems to detect prompt injection or malicious patterns.
Flag or block high-risk output paths (e.g. outputs that contain PII, internal config, backdoor triggers).

Operational Integration

Security–Data Science Collaboration

Embed security engineers in the AI development lifecycle (shift-left).
Educate data scientists in adversarial ML, model risks, privacy constraints.
Use cross-functional review boards for high-risk model deployments.

Shadow AI Discovery & Mitigation

Monitor outbound traffic or SaaS logins for generative AI usage.
Use SaaS monitoring tools or proxy policies to intercept and flag unsanctioned AI use.
Deploy internal tools or wrappers for generative AI that inject audit controls.
Train employees and publish acceptable use policies for AI usage.

Runtime Controls & Continuous Testing

Periodically red-team models (both internal and third-party) to detect vulnerabilities.
Revalidate models after each update or retrain.
Set up incident response plans specific to AI incidents (model rollback, containment).
Conduct regular audits of model behavior, logs, and drift performance.

Case Studies & Real-World Failures & Successes

Researchers have found that injecting as few as 250 malicious documents can backdoor a model.
Foundation model leakage incidents have been demonstrated in academic research (models regurgitating verbatim input).
Organizations like Microsoft Azure, Google Cloud, and OpenAI are starting to offer tools and guardrails (rate limits, privacy options, usage logging) to support enterprise introspection.
Some enterprises are mandating all internal AI interactions to flow through a “governed AI proxy” layer to filter or scrub prompts/outputs.

Roadmap / Maturity Model

I propose a phased model:

Awareness & Inventory
- Catalog AI/ML assets
- Basic training & policies
- Executive buy-in
Baseline Controls
- Access controls, audit logging
- Data sanitization & DLP for AI pipelines
- Shadow AI monitoring
Model Protection & Hardening
- Differential privacy, adversarial testing, prompt filters
- Runtime anomaly detection
- Sandbox staging
Audit, Metrics & Continuous Improvement
- Regular red teaming
- Drift detection & revalidation
- Integration into ERM / compliance
- Internal assurance & audit loops
Advanced Guardrails & Automation
- Automated policy enforcement
- Self-healing / rollback mechanisms
- Formal verification, provable defenses
- Model explainability & transparency audits

By advancing along this maturity curve, enterprises can evolve from reactive posture to proactive, governed, and resilient AI operations—reducing risk while still reaping the transformative potential of generative technologies.

Need Help or More Information?

Contact MicroSolved and put our deep expertise to work for you in this area. Email us (info@microsolved.com) or give us a call (+1.614.351.1237) for a no-hassle, no-pressure discussion of your needs and our capabilities. We look forward to helping you protect today and predict what is coming next.

* AI tools were used as a research assistant for this content, but human moderation and writing are also included. The included images are AI-generated.

Zero-Trust API Security: Bridging the Gaps in a Fragmented Landscape

Posted on June 30, 2025 by Brent Huston

It feels like every security product today is quick to slap on a “zero-trust” label, especially when it comes to APIs. But as we dig deeper, we keep encountering a sobering reality: despite all the buzzwords, many “zero-trust” API security stacks are hollow at the core. They authenticate traffic, sure. But visibility? Context? Real-time policy enforcement? Not so much.

APISecurity

We’re in the middle of a shift—from token-based perimeter defenses to truly identity- and context-aware interactions. Our recent research highlights where most of our current stacks fall apart, and where the industry is hustling to catch up.

1. The Blind Spots We Don’t Talk About

APIs have become the connective tissue of modern enterprise architectures. Unfortunately, nearly 50% of these interfaces are expected to be operating outside any formal gateway by 2025. That means shadow, zombie, and rogue APIs are living undetected in production environments—unrouted, uninspected, unmanaged.

Traditional gateways only see what they route. Anything else—misconfigured dev endpoints, forgotten staging interfaces—falls off the radar. And once they’re forgotten, they’re defenseless.

2. Static Secrets Are Not Machine Identity

Another gaping hole: how we handle machine identities. The zero-trust principle says, “never trust, always verify,” yet most API clients still rely on long-lived secrets and certificates. These are hard to track, rotate, or revoke—leaving wide-open attack windows.

Machine identities now outnumber human users 45 to 1. That’s a staggering ratio, and without dynamic credentials and automated lifecycle controls, it’s a recipe for disaster. Short-lived tokens, mutual TLS, identity-bound proxies—these aren’t future nice-to-haves. They’re table stakes.

3. Context-Poor Enforcement

The next hurdle is enforcement that’s blind to context. Most Web Application and API Protection (WAAP) layers base their decisions on IPs, static tokens, and request rates. That won’t cut it anymore.

Business logic abuse, like BOLA (Broken Object Level Authorization) and GraphQL aliasing, often appears totally legit to traditional defenses. We need analytics that understand the data, the user, the behavior—and can tell the difference between a normal batch query and a cleverly disguised scraping attack.

4. Authorization: Still Too Coarse

Least privilege isn’t just a catchphrase. It’s a mandate. Yet most authorization today is still role-based, and roles tend to explode in complexity. RBAC becomes unmanageable, leading to users with far more access than they need.

Fine-grained, policy-as-code models using tools like OPA (Open Policy Agent) or Cedar are starting to make a difference. But externalizing that logic—making it reusable and auditable—is still rare.

5. The Lifecycle Is Still a Siloed Mess

Security can’t be a bolt-on at runtime. Yet today, API security tools are spread across design, test, deploy, and incident response, with weak integrations and brittle handoffs. That gap means misconfigurations persist and security debt accumulates.

The modern goal should be lifecycle integration: shift-left with CI/CD-aware fuzzing, shift-right with real-time feedback loops. A living, breathing security pipeline.

The Path Forward: What the New Guard Looks Like

Here’s where some vendors are stepping up:

API Discovery: Real-time inventories from tools like Noname and Salt Illuminate.
Machine Identity: Dynamic credentials from Corsha and Venafi.
Runtime Context: Behavior analytics engines by Traceable and Salt.
Fine-Grained Authorization: Centralized policy with Amazon Verified Permissions and Permify.
Lifecycle Integration: Fuzzing and feedback via CI/CD from Salt and Traceable.

If you’re rebuilding your API security stack, this is your north star.

Final Thoughts

Zero-trust for APIs isn’t about more tokens or tighter gateways. It’s about building a system where every interaction is validated, every machine has a verifiable identity, and every access request is contextually and precisely authorized. We’re not quite there yet, but the map is emerging.

Security pros, it’s time to rethink our assumptions. Forget the checkboxes. Focus on visibility, identity, context, and policy. Because in this new world, trust isn’t just earned—it’s continuously verified.

For help or to discuss modern approaches, give MicroSolved, Inc. a call (+1.614.351.1237) or drop us a line (info@microsolved.com). We’ll be happy to see how our capabilities align with your initiatives.

* AI tools were used as a research assistant for this content, but human moderation and writing are also included. The included images are AI-generated.

Evolving the Front Lines: A Modern Blueprint for API Threat Detection and Response

Posted on June 23, 2025 by Brent Huston

As APIs now power over half of global internet traffic, they have become prime real estate for cyberattacks. While their agility and integration potential fuel innovation, they also multiply exposure points for malicious actors. It’s no surprise that API abuse ranks high in the OWASP threat landscape. Yet, in many environments, API security remains immature, fragmented, or overly reactive. Drawing from the latest research and implementation playbooks, this post explores a comprehensive and modernized approach to API threat detection and response, rooted in pragmatic security engineering and continuous evolution.

APIMonitoring

The Blind Spots We Keep Missing

Even among security-mature organizations, API environments often suffer from critical blind spots:

Shadow APIs – These are endpoints deployed outside formal pipelines, such as by development teams working on rapid prototypes or internal tools. They escape traditional discovery mechanisms and logging, leaving attackers with forgotten doors to exploit. In one real-world breach, an old version of an authentication API exposed sensitive user details because it wasn’t removed after a system upgrade.
No Continuous Discovery – As DevOps speeds up release cycles, static API inventories quickly become obsolete. Without tools that automatically discover new or modified endpoints, organizations can’t monitor what they don’t know exists.
Lack of Behavioral Analysis – Many organizations still rely on traditional signature-based detection, which misses sophisticated threats like “low and slow” enumeration attacks. These involve attackers making small, seemingly benign requests over long periods to map the API’s structure.
Token Reuse & Abuse – Tokens used across multiple devices or geographic regions can indicate session hijacking or replay attacks. Without logging and correlating token usage, these patterns remain invisible.
Rate Limit Workarounds – Attackers often use distributed networks or timed intervals to fly under static rate-limiting thresholds. API scraping bots, for example, simulate human interaction rates to avoid detection.

Defenders: You’re Sitting on Untapped Gold

For many defenders, SIEM and XDR platforms are underutilized in the API realm. Yet these platforms offer enormous untapped potential:

Cross-Surface Correlation – An authentication anomaly in API traffic could correlate with malware detection on a related endpoint. For instance, failed logins followed by a token request and an unusual download from a user’s laptop might reveal a compromised account used for exfiltration.
Token Lifecycle Analytics – By tracking token issuance, usage frequency, IP variance, and expiry patterns, defenders can identify misuse, such as tokens repeatedly used seconds before expiration or from IPs in different countries.
Behavioral Baselines – A typical user might access the API twice daily from the same IP. When that pattern changes—say, 100 requests from 5 IPs overnight—it’s a strong anomaly signal.
Anomaly-Driven Alerting – Instead of relying only on known indicators of compromise, defenders can leverage behavioral models to identify new threats. A sudden surge in API calls at 3 AM may not break thresholds but should trigger alerts when contextualized.

Build the Foundation Before You Scale

Start simple, but start smart:

1. Inventory Everything – Use API gateways, WAF logs, and network taps to discover both documented and shadow APIs. Automate this discovery to keep pace with change.
2. Log the Essentials – Capture detailed logs including timestamps, methods, endpoints, source IPs, tokens, user agents, and status codes. Ensure these are parsed and structured for analytics.
3. Integrate with SIEM/XDR – Normalize API logs into your central platforms. Begin with the API gateway, then extend to application and infrastructure levels.

Then evolve:

Deploy rule-based detections for common attack patterns like:

Failed Logins: 10+ 401s from a single IP within 5 minutes.
Enumeration: 50+ 404s or unique endpoint requests from one source.
Token Sharing: Same token used by multiple user agents or IPs.
Rate Abuse: More than 100 requests per minute by a non-service account.

Enrich logs with context—geo-IP mapping, threat intel indicators, user identity data—to reduce false positives and prioritize incidents.

Add anomaly detection tools that learn normal patterns and alert on deviations, such as late-night admin access or unusual API method usage.

The Automation Opportunity

API defense demands speed. Automation isn’t a luxury—it’s survival:

Rate Limiting Enforcement that adapts dynamically. For example, if a new user triggers excessive token refreshes in a short window, their limit can be temporarily reduced without affecting other users.
Token Revocation that is triggered when a token is seen accessing multiple endpoints from different countries within a short timeframe.
Alert Enrichment & Routing that generates incident tickets with user context, session data, and recent activity timelines automatically appended.
IP Blocking or Throttling activated instantly when behaviors match known scraping or SSRF patterns, such as access to internal metadata IPs.

And in the near future, we’ll see predictive detection, where machine learning models identify suspicious behavior even before it crosses thresholds, enabling preemptive mitigation actions.

When an incident hits, a mature API response process looks like this:

Detection – Alerts trigger via correlation rules (e.g., multiple failed logins followed by a success) or anomaly engines flagging strange behavior (e.g., sudden geographic shift).
Containment – Block malicious IPs, disable compromised tokens, throttle affected endpoints, and engage emergency rate limits. Example: If a developer token is hijacked and starts mass-exporting data, it can be instantly revoked while the associated endpoints are rate-limited.
Investigation – Correlate API logs with endpoint and network data. Identify the initial compromise vector, such as an exposed endpoint or insecure token handling in a mobile app.
Recovery – Patch vulnerabilities, rotate secrets, and revalidate service integrity. Validate logs and backups for signs of tampering.
Post-Mortem – Review gaps, update detection rules, run simulations based on attack patterns, and refine playbooks. For example, create a new rule to flag token use from IPs with past abuse history.

Metrics That Matter

You can’t improve what you don’t measure. Monitor these key metrics:

Authentication Failure Rate – Surges can highlight brute force attempts or credential stuffing.
Rate Limit Violations – How often thresholds are exceeded can point to scraping or misconfigured clients.
Mean Time to Detect (MTTD) and Mean Time to Respond (MTTR) – Benchmark how quickly threats are identified and mitigated.
Token Misuse Frequency – Number of sessions showing token reuse anomalies.
API Detection Rule Coverage – Track how many OWASP API Top 10 threats are actively monitored.
False Positive Rate – High rates may degrade trust and response quality.
Availability During Incidents – Measure uptime impact of security responses.
Rule Tuning Post-Incident – How often detection logic is improved following incidents.

Final Word: The Threat is Evolving—So Must We

The state of API security is rapidly shifting. Attackers aren’t waiting. Neither can we. By investing in foundational visibility, behavioral intelligence, and response automation, organizations can reclaim the upper hand.

It’s not just about plugging holes—it’s about anticipating them. With the right strategy, tools, and mindset, defenders can stay ahead of the curve and turn their API infrastructure from a liability into a defensive asset.

Let this be your call to action.

More Info and Assistance by Leveraging MicroSolved’s Expertise

Call us (+1.614.351.1237) or drop us a line (info@microsolved.com) for a no-hassle discussion of these best practices, implementation or optimization help, or an assessment of your current capabilities. We look forward to putting our decades of experience to work for you!

* AI tools were used as a research assistant for this content, but human moderation and writing are also included. The included images are AI-generated.

Core Components of API Zero Trust

Posted on June 19, 2025 by Brent Huston

APIs are the lifeblood of modern applications—bridging systems, services, and data. However, each endpoint is also a potential gateway for attackers. Adopting Zero Trust for APIs isn’t optional anymore—it’s foundational.

Never Trust, Always Verify

An identity-first security model ensures access decisions are grounded in context—user identity, device posture, request parameters—not just network or IP location.

1. Authentication & Authorization with Short‑Lived Tokens (JWT)

Short-lived lifetimes reduce risk from stolen credentials.
Secure storage in HTTP-only cookies or platform keychains prevents theft.
Minimal claims with strong signing (e.g., RS256), avoiding sensitive payloads.
Revocation mechanisms—like split tokens and revocation lists—ensure compromised tokens can be quickly disabled.

Separating authentication (identity verification) from authorization (access rights) allows us to verify continuously, aligned with Zero Trust’s principle of contextual trust.

2. Micro‑Perimeter Segmentation at the API Path Level

Fine-grained control per API method and version defines boundaries exactly.
Scoped RBAC, tied to token claims, restricts access to only what’s necessary.
Least-privilege policies enforced uniformly across endpoints curtail lateral threat movement.

This compartmentalizes risk, limiting potential breaches to discrete pathways.

3. WAF + Identity-Aware API Policies

Identity-integrated WAF/Gateway performs deep decoding of OAuth₂ or JWT claims.
Identity-based filtering adjusts rules dynamically based on token context.
Per-identity rate limiting stops abuse regardless of request origin.
Behavioral analytics & anomaly detection add a layer of intent-based defense.

By making identity the perimeter, your WAF transforms into a precision tool for API security.

Bringing It All Together

Layer	Role
JWT Tokens	Short-lived, context-rich identities
API Segmentation	Scoped access at the endpoint level
Identity-Aware WAF	Enforces policies, quotas, and behavior

️ Final Thoughts

Identity-centric authentication—keep tokens lean, revocable, and well-guarded.
Micro-segmentation—apply least privilege rigorously, endpoint by endpoint.
Intelligent WAFs—fusing identity awareness with adaptive defenses.

The result? A dynamic, robust API environment where every access request is measured, verified, and intentionally granted—or denied.

Brent Huston is a cybersecurity strategist focused on applying Zero Trust in real-world environments. Connect with him at stateofsecurity.com and notquiterandom.com.

* AI tools were used as a research assistant for this content, but human moderation and writing are also included. The included images are AI-generated.

State of API-Based Threats: Securing APIs Within a Zero Trust Framework

Posted on June 10, 2025 by Brent Huston

Why Write This Now?

API Attacks Are the New Dominant Threat Surface

APISecurity

57% of organizations suffered at least one API-related breach in the past two years—with 73% hit multiple times and 41% hit five or more times.

API attack vectors now dominate breach patterns:

DDoS: 37%
Fraud/bots: 31-53%
Brute force: 27%

Zero Trust Adoption Makes This Discussion Timely

Zero Trust’s core mantra—never trust, always verify—fits perfectly with API threat detection and access control.

This Topic Combines Established Editorial Pillars

How-to guidance + detection tooling + architecture review = compelling, actionable content.

The State of API-Based Threats

High-Profile Breaches as Wake-Up Calls

T-Mobile’s January 2023 API breach exposed data of 37 million customers, ongoing for approximately 41 days before detection. This breach underscores failure to enforce authentication and monitoring at every API step—core Zero Trust controls.

Surging Costs & Global Impact

APAC-focused Akamai research shows 85-96% of organizations experienced at least one API incident in the past 12 months—averaging US $417k-780k in costs.

Aligning Zero Trust Principles With API Security

Never Trust—Always Verify

Authenticate every call: strong tokens, mutual TLS, signed JWTs, and context-aware authorization
Verify intent: inspect payloads, enforce schema adherence and content validation at runtime

Least Privilege & Microsegmentation

Assign fine-grained roles/scopes per endpoint. Token scope limits damage from compromise
Architect APIs in isolated “trust zones” mirroring network Zero Trust segments

Continuous Monitoring & Contextual Detection

Only 21% of organizations rate their API-layer attack detection as “highly capable.”

Instrument with telemetry—IAM behavior, payload anomalies, rate spikes—and feed into SIEM/XDR pipelines.

Tactical How-To: Implementing API-Layer Zero Trust

Control	Implementation Steps	Tools / Examples
Strong Auth & Identity	Mutual TLS, OAuth 2.0 scopes, signed JWTs, dynamic credential issuance	Envoy mTLS filter, Keycloak, AWS Cognito
Schema + Payload Enforcement	Define strict OpenAPI schemas, reject unknown fields	ApiShield, OpenAPI Validator, GraphQL with strict typing
Rate Limiting & Abuse Protection	Enforce adaptive thresholds, bot challenge on anomalies	NGINX WAF, Kong, API gateways with bot detection
Continuous Context Logging	Log full request context: identity, origin, client, geo, anomaly flags	Enrich logs to SIEM (Splunk, ELK, Sentinel)
Threat Detection & Response	Profile normal behavior vs runtime anomalies, alert or auto-throttle	Traceable AI, Salt Security, in-line runtime API defenses

Detection Tooling & Integration

Visibility Gaps Are Leading to API Blind Spots

Only 13% of organizations say they prevent more than half of API attacks.

Generative AI apps are widening attack surfaces—65% consider them serious to extreme API risks.

Recommended Tooling

Behavior-based runtime security (e.g., Traceable AI, Salt)
Schema + contract enforcement (e.g., openapi-validator, Pactflow)
SIEM/XDR anomaly detection pipelines
Bot-detection middleware integrated at gateway layer

Architecting for Long-Term Zero Trust Success

Inventory & Classification

2025 surveys show only ~38% of APIs are tested for vulnerabilities; visibility remains low.

Start with asset inventory and data-sensitivity classification to prioritize API Zero Trust adoption.

Protect in Layers

Enforce blocking at gateway, runtime layer, and through identity services
Combine static contract checks (CI/CD) with runtime guardrails (RASP-style tools)

Automate & Shift Left

Embed schema testing and policy checks in build pipelines
Automate alerts for schema drift, unauthorized changes, and usage anomalies

Detection + Response: Closing the Loop

Establish Baseline Behavior

Acquire early telemetry; segment normal from malicious traffic
Profile by identity, origin, and endpoint to detect lateral abuse

Design KPIs

Time-to-detect
Time-to-block
Number of blocked suspect calls
API-layer incident counts

Enforce Feedback into CI/CD and Threat Hunting

Feed anomalies back to code and infra teams; remediate via CI pipeline, not just runtime mitigation.

Conclusion: Zero Trust for APIs Is Imperative

API-centric attacks are rapidly surpassing traditional perimeter threats. Zero Trust for APIs—built on strong identity, explicit segmentation, continuous verification, and layered prevention—accelerates resilience while aligning with modern infrastructure patterns. Implementing these controls now positions organizations to defend against both current threats and tomorrow’s AI-powered risks.

At a time when API breaches are surging, adopting Zero Trust at the API layer isn’t optional—it’s essential.

Need Help or More Info?

Reach out to MicroSolved (info@microsolved.com or +1.614.351.1237), and we would be glad to assist you.

* AI tools were used as a research assistant for this content, but human moderation and writing are also included. The included images are AI-generated.