The Microsoft sites listed below provide essential security information:
- Microsoft Support Lifecycle
Support lifecycle information for product families. For an alphabetized list of all Microsoft products, see the Support Lifecycle Index page.
- Microsoft Secure blog
In-depth discussion of security, cyber security, and technology trends affecting trust in computing as well as timely security news, trends and practical security guidance.
- Windows Defender Security Intelligence
Windows Defender Security Intelligence (WDSI) provides information about threats and protecting you and your Windows computer. Consider it the antimalware and cyber security portal.
- MSRC - Microsoft Security Response Center
Information from the Security Response team. - Security Research & Defense
Information from Microsoft about vulnerabilities, mitigations and workarounds, active attacks, security research, tools and guidance. - Security Updates Guide
Release Notes and listing of security updates. - Windows 10 Update History
A summary of important product developments included in each update, with links to more details