Microsoft Security Response Center

The Microsoft Security Response Center (MSRC) identifies, monitors, responds to and resolves security incidents and vulnerabilities in Microsoft software.

October, 2011

  • October Update Tuesday: Security Intelligence Report volume 11 announced

    Hello, On this October Update Tuesday, we are releasing the 11th volume of the Security Intelligence Report, SIRv11, which puts zero-day vulnerabilities into context against other global threats. We are also releasing eight security updates so please read on for details. A new method of analyzing malware distribution indicates that in the first half of 2011 zero-day issues account for a very small percentage of actual infections. The results from our analysis concluded that none of the top...
  • Advanced Notification for the October 2011 Bulletin Release


  • Q&A from the October 2011 Security Bulletin Webcast

    Hello, Today we published the October Security Bulletin Webcast Questions & Answers page . We fielded eight questions across all bulletins. There was one question that we were unable to answer during the webcast due to time constraints, and we have included all questions and answers on the Q&A page. We invite our customers to join us for the next public webcast on Wednesday, November 9th at 11am PDT (UTC -7), when we will go into detail about the November bulletin release and answer...