Microsoft notes an active attack for at least one DigiNotar certificate.  MS Security Advisory Update – Fraudulent DigiNotar Certificates http://isc.sans.org/diary/MS+Security+Advisory+Update+-+Fraudulent+DigiNotar+Certificates/11608 http://technet.microsoft.com/en-us/security/advisory/2607712 http://support.microsoft.com/kb/2616676 http://blogs.technet.com/b/msrc/archive/2011/09/19/cumulative-non-security-update-protects-from-fraudulent-certificates.aspx QUOTE: Microsoft re-released Microsoft Security Advisory (2607712) regarding fraudulent DigiNotar Root CA. “Microsoft is aware of active attacks using at least one fraudulent digital certificate issued by DigiNotar, a certification authority present […]