Microsoft Security Response Center

  • August 2017 security update release
    Today, we released security updates to provide additional protections against malicious attackers. By default, Windows 10 receives these updates automatically, and for customers running previous versi …
  • The MSRC 2017 list of “Top 100” security researchers
    Security researchers play an essential role in Microsoft’s security strategy and are key to community-based defense. To show our appreciation for their hard work and partnership, each year at BlackHat …
  • Announcing the Windows Bounty Program
    Windows 10 represents the best and newest in our strong commitment to security with world-class mitigations. One of Microsoft’s longstanding strategies toward improving software security involves inve …
  • July 2017 security update release
    Today, we released security updates to provide additional protections against malicious attackers. By default, Windows 10 receives these updates automatically, and for customers running previous versi …
  • Update on Petya malware attacks
    As happened recently with WannaCrypt, we again face a malicious attack in the form of ransomware, Petya. In early reports, there was a lot of conflicting information reported on the attacks, including …