Tag Archives: trust

How To Implement a Basic ZTNA Architecture

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Implementing a Basic Zero Trust Network Access Architecture

Implementing a Zero Trust Network Access (ZTNA) architecture is increasingly essential for organizations aiming to secure their networks against evolving cyber threats. Zero Trust is a security concept centered on the belief that organizations should not automatically trust anything inside or outside its perimeters and instead must verify everything trying to connect to its systems before granting access.

1. Define the Protect Surface

Identify the critical data, applications, assets, and services (DAAS) that need protection. This step is crucial as it allows you to focus your resources and security measures on the most valuable and vulnerable parts of your network.

2. Map the Transaction Flows

Understand how traffic moves across your network. Mapping the traffic will help you identify legitimate access patterns and needs, which is essential for setting up appropriate security policies.

3. Architect a Zero Trust Network

Create a micro-segmented network architecture. Micro-segmentation involves dividing the network into small zones to maintain separate access for different parts of the network. Each segment or zone should have its own security settings, and access should be restricted based on the principle of least privilege.

4. Create a Zero Trust Policy

Develop a policy that specifies how resources in the network are accessed, who can access these resources, and under what conditions. This policy should enforce that only authenticated and authorized users and devices are allowed access to the specified network segments and resources.

5. Monitor and Maintain Network Security

Implement security monitoring tools to inspect and log network traffic constantly. This can help detect and respond to threats in real-time. Regular audits and updates of the zero trust policies and architecture should be performed to adapt to new threats and changes in the organization.

6. Leverage Multi-factor Authentication (MFA)

Enforce MFA to ensure that the chance of unauthorized access is minimized. MFA requires users to provide two or more verification factors to gain access to a resource, adding an extra layer of security.

7. Implement Least Privilege Access

Ensure that users only have access to the resources that they need to perform their job functions. This should be strictly enforced through rigorous access controls and ongoing management of user permissions.

8. Utilize Endpoint Security Solutions

Secure all endpoints that access the network by ensuring they meet the security standards before they are allowed to connect. This often includes anti-malware and anti-virus software, and endpoint detection and response (EDR) solutions.

9. Educate and Train Employees

Provide regular training to all employees about the cybersecurity policies, the importance of security in the workplace, and best practices for maintaining security hygiene. A well-informed workforce can be your first line of defense against cyber threats.

10. Engage Expert Assistance

For organizations looking to develop or enhance their Zero Trust architectures, it is often beneficial to engage with cybersecurity experts who can provide tailored advice and solutions. MicroSolved, Inc. (MSI) has been at the forefront of information security, risk management, and compliance solutions since 1992. MSI offers expert guidance in strategic planning, configuration, policy development, and procedure optimization to ensure your Zero Trust implementation is robust, effective, and tailored to your specific organizational needs. Contact MSI to see how we can help your security team succeed in today’s threat landscape.

 

* AI tools were used as a research assistant for this content.

 

Understanding the Core Tenets of Zero-Trust Network Access

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Zero-Trust Network Access: Strengthening Your Cybersecurity

In an era where cyber threats loom at every corner, “never trust, always verify” has become the mantra. The concept of Zero-Trust Network Access (ZTNA) challenges conventional cybersecurity models that relied on too much optimism. Originating from the notion that internal networks can be just as vulnerable as external ones, ZTNA reshapes our approach to digital protection.

Initially a niche idea, ZTNA quickly became a core strategy against data breaches and compromised credentials. It’s a philosophy advocating continuous verification of all entities—both users and devices—regardless of their location relative to the network perimeter. The substantial reduction in security incidents demonstrates its value on the cyber frontlines.

What is Zero-Trust Network Access?

Zero-Trust Network Access (ZTNA) serves as the foundation of a robust and comprehensive security strategy known as Zero Trust architecture. This modern security model operates on a principle of skepticism, withholding implicit trust from any individual or device seeking to interact with a network. Key principles include:

  • Explicit Verification: Every entity is authenticated before accessing network resources, regardless of location.
  • Microsegmentation: Access is granted based on one-to-one connections, reducing lateral movement risks.
  • Least Privilege Access: Permissions are limited to only what’s necessary.

By upholding these principles, ZTNA shifts the security paradigm from an assumed trust model to an explicit trust architecture.

Benefits of Zero-Trust Network Access

Transitioning to Zero-Trust Network Access offers several key benefits:

  • Reduced Unauthorized Access: Comprehensive verification significantly diminishes the likelihood of data breaches and unauthorized disclosures.
  • Mitigated Lateral Movement: One-to-one secure connections minimize the risk of attackers moving laterally within the network.
  • Regulatory Compliance: Streamlined compliance with regulations like PCI DSS and NIST 800-207, simplifying audits and adherence to mandates.
  • Enhanced Oversight and Control: Microsegmentation offers unparalleled governance, allowing tailored controls around high-value datasets.
  • Improved Security Posture: Overall, ZTNA leads to better data protection, reduced risk and detection time for breaches, and stronger command over both cloud and on-premises environments.

Conclusion

ZTNA transforms network security from a traditional trust-centric model to one that presumes risk, advocates continuous verification, and restricts access. This shift aligns with the need for proactive defense mechanisms amid an ever-expanding attack surface, where potential threats can arise from virtually any vector. Security teams are empowered with the tools and protocols to uphold a high-security posture, strengthening their overall strategy against unauthorized access.

Ready to enhance your cybersecurity with Zero-Trust Network Access?

Contact MicroSolved today and let our experts help you implement a comprehensive Zero Trust architecture to protect your organization’s most valuable assets.

Visit MicroSolved’s Contact Page or call us at (614) 351-1237 to get started on fortifying your security posture with cutting-edge ZTNA solutions.

* AI tools were used as a research assistant for this content.

 

Digital Images and Recordings: How Can We Deal with the Loss of Trust?

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For many decades now the human race has benefitted from the evidentiary value of surveillance videos and audio recordings. Human beings cannot be relied on to give accurate accounts of events that they have witnessed. It is a frustrating fact that eye witness testimony is highly inaccurate. More often than not, people are mistaken in their recollections or they simply fail to tell the truth. But, with some reservations, we have learned to trust our surveillance recordings. Sure, analog videos and audio recordings can be tampered with. But almost universally, analysis of such tampered material exposes the fraud. Not so anymore!

Virtually every camera, video recorder and audio recorder on the planet is now digital. And it is theoretically possible to manipulate or totally forge digital recordings perfectly. Every year now, computer generated images and sounds used in movies are becoming more seamless and convincing. I see no reason at all why we couldn’t make totally realistic-appearing movies that contain not a single human actor or location shot. Just think of it: Jimmy Stewart and John Wayne, in their primes, with their own voices, starring in a brand new western of epic proportions! Awesome! And if Hollywood can do it, you can bet that a lot of other less reputable individuals can do it as well.

So what are we going to do about surveillance recordings (everything from ATMs and convenience store videos to recordings made by the FBI)? We won’t be able to trust that they are real or accurate anymore. Are we going to return to the old days of relying on eye witness testimony and the perceptiveness of juries? Are we going to let even more lying, larcenous and violent offenders off scot free than we are today? I don’t think we as a society will be able to tolerate that. After all, many crimes don’t produce any significant forensic evidence such as finger prints and DNA. Often, video and audio recordings are our only means of identifying the bad guys and what they do.

This means that we are going to have to find ways and means to certify that the digital recordings we make remain unaltered. (Do you see a new service industry in the offing)? The only thing I can think of to solve the problem is a service similar in many ways to the certificate authorities and token providers we use today. Trusted third parties that employ cryptographic techniques and other means to ensure that their equipment and recordings remain pristine.

But that still leaves the problem of the recordings of events that individuals make with their smart phones and camcorders. Can we in all good faith trust that these recordings are any more real than the surveillance recordings we are making today? These, too, are digital recordings and can theoretically be perfectly manipulated. But I can’t see the average Joe going through the hassle and spending the money necessary to certify their private recordings. I can’t see a way out of this part of the problem. Perhaps you can come up with some ideas that would work?

Thanks to John Davis for writing this post.


A Quick Word on LiveCD’s and Bootable USB for Consumers

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I gave a quick interview today for a magazine article to be printed in late July. The topic was pretty interesting; it revolved around consumer fears about online banking.

The key point of the discussion was that financial organizations are doing a ton of work on securing your data and their systems from attack. The major problem facing online banking today is really the consumer system. So many home PCs are compromised or infected today that they represent a significant issue for the banking process.

The good news is that home systems can pretty easily be removed from the equation with a simple bootable LiveCD or USB key. It is quite easy (and affordable) to create Linux distros with very limited applications and security measures that enforce using it just for banking and other high risk transactions. Solutions in this space are available in open source, community/payment supported and of course, full blown commercial software tools complete with a variety of VPN, access control and authentication tools.

You might even consider creating your own open source distro, labeled and logo branded to distribute for free to your customers. A few of my credit unions are taking this approach. For the cost of CD duplication, they get the high trust customer contact and peace of mind of having a dedicated, trusted platform for their home banking. That, indeed, may be well worth the investment.