I'm not sure if you guys saw this but yesterday there was an attack against some certificates from Microsoft.
You need to read this: http://blog.cryptographyengineering.com/2012/06/flame-certificates-collisions-oh-my.html The Security Advisory: http://technet.microsoft.com/en-us/security/advisory/2718704 And the Fix: http://support.microsoft.com/kb/2718704 Well worth the read :) This is one of a kind type of attack. Regards, Corneliu.