Windows XP Service Pack 3 has been released. This long awaited update to Windows XP offers some enhanced security features borrowed from Windows Vista and a few other things. Rolling out this service pack will also install all of the Windows updates released since service pack 2. Some of the enhancements in SP3 includes black hole router detection, network access protection, enhanced security for administrator and service policy entries, and a kernel mode cryptographic module.
Windows XP Service Pack 3