Microsoft reacts to kernel hacks, defends Vista

Patches PatchGuard to keep 64-bit Vista safer from unsigned code

Microsoft quietly beefed up a key defensive feature of 64-bit Windows Vista Tuesday to better protect the operating system against hacks that have plagued it for weeks.

The update to Vista's Kernel Patch Protection, a.k.a. PatchGuard, was issued through Windows Update as a high-priority download, but not as a patch per se. Microsoft, in fact, denied that it was a security fix. "While this updates adds additional checks to the Kernel Patch Protection system, it does not involve a security vulnerability," an advisory posted Tuesday by the Microsoft Security Response Center (MSRC) stated. "The update does increase the reliability, performance, and resiliency provided by Kernel Patch Protection."

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Posted by Hunt3rke, Friday, August 17, 2007 1:05 AM


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