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Latest Blog Congratulations to the MSRC 2026 Most Valuable Security Researchers Celebrating the top security researchers whose contributions helped protect Microsoft customers and strengthen the security community over the past year. Read more >

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Explore MSRC blog content by category, from strategic security perspectives to technical research and community highlights.

MSRC Updates MSRC perspectives on security strategy and long-standing industry challenges Read leadership posts and MSRC team updates and insights on how defenders can prepare for what comes next. View blogs >

Technical Research Deep technical write-ups, vulnerability research, and defense guidance Explore technical analysis from MSRC, including vulnerability research, exploitability, and mitigation guidance. View blogs >

Community Researcher spotlights, leaderboard updates, and bounty community news Follow highlights from the global security research community and the people helping protect customers. View blogs >

Japan Security Team

Check out the latest blog from the Japan Security Team.

Japan Security Team Japan Security Team The latest threat research, guidance, and security updates from the Microsoft Japan Security Team, helping protect customers across the region and around the world. Explore Japan blogs

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