Where you can find it: www.microsoft.com/security/portal/beta How you can give us feedback: Please give us feedback via MS Connect or directly from the MMPC Portal V2 Beta . So now that the important details have been shared, let’s talk about the more...

The MSRC released an advisory about 0-day exploits in Excel and they also have blogged about it. These exploits currently are being used for targeted and limited attacks. We released definition 1.51.1105.0 today to help protect customers against these...

We’ve been getting questions from some of our customers about a new sample of Win32/Conficker , dubbed by some as Conficker.B++. We’re aware of this sample and our definitions already detect this sample as Worm:Win32/Conficker.B , but given the new functionality...

The February release of MSRT added a new threat family, Win32/Srizbi , as Vince discussed last week. As of February 16, MSRT has cleaned 38,697 machines from Srizbi infections, which is 14.1% of the total September 2007 removals of Win32/Nuwar or the...

I received an e-mail to my personal account, from a student who wanted to ask me about how to detect a paticularly complex virus. This happens occasionally, so no surprises there. The virus in question was one on whose detection I had worked several years...

Valentine's Day is almost here. While your friends and loved ones are crafting their e-cards, malware authors are also releasing their annual love letters into the mix. Win32/Waledac started a bit early, we noticed it’s Valentine theme spam mails as early...

After quite a while with no new activity, there's a new Virut variant. We detect the new variant as Virus:Win32/Virut.BM . Like the previous versions, Virut is a polymorphic file infecting virus that infects PE executable files like EXE and SCR files...

This month's MSRT takes on one of the largest botnets currently active worldwide – Win32/Srizbi . The Srizbi family of malware consists of trojan droppers and rootkits that often spread through spam e-mails containing download links to the malware. ...