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May 14 | Update Rollup for ActiveX Kill Bits (2820197) Learn more
May 14 | Vulnerability in Microsoft Malware Protection Engine Could Allow Remote Code Execution (2846338) Learn more

Highlights

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Security Blogs

Security Center - Bulletins Advisories Tools Guidance Resources

The Wonder of Sirefef Plunder
Sirefef, also known as ZeroAccess, is a malware platform for receiving and running malware modules. Two prominent modules generate revenue for the cyb... more
Monday, May 20 msft-mmpc
May 2013 Security Bulletin Webcast, Q&A, and Slide Deck
For those who couldn’t attend the live webcast, today we’re publishing the May 2013 Security Bulletin Webcast Questions & Answers page... more
Friday, May 17 MSRCTeam
No paysafecard needed, your passwords will pay off
The past year has been one of expansion for ransomware. Throughout 2012 an increasing number of blogs, tutorials and discussion forums were written to... more
Thursday, May 16 msft-mmpc
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