It looks like Ken got bored again recently, which is always bad news for Patchguard. His Subverting Patchguard v2 paper is fantastic, again. In case you missed it, his (and Matt’s) Bypassing Patchguard on Windows x64, covering v1, is a fantastic read.
If you’re lost, this knowledge base article has the background.
This one makes sence “One’s first step in wisdom is to kuesstion everything – and one’s last is to come to terms with everything.”