Microsoft Denies PatchGuard Update, Kernel Hacks Link
 

*Source: PC World (http://www.pcworld.com/article/id,13...rticle.html#)*
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Tuesday's update to Windows Vista's PatchGuard, a kernel protection scheme designed to keep malicious or unproven code at arm's length, had nothing to do with recent hacks of another Vista defense, Microsoft said Thursday.

The update to Kernel Patch Protection (KPP), also known as PatchGuard, was issued Tuesday to Vista 64-bit users, but the description of the enhancement was inscrutable. All Microsoft said at the time was "this update adds checks to this protection for increased resiliency in Windows."

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