The next chapter of the Microsoft Security Response Center’s (MSRC) BlueHat security conference is fast approaching. BlueHat Asia 2025 will take place in Bengaluru, India, on November 5 – 6, 2025 and the Call for Papers is now open. Submissions…
Tag: Microsoft Security Response Center
postMessaged and Compromised
At Microsoft, securing the ecosystem means more than just fixing bugs—it means proactively hunting for variant classes, identifying systemic weaknesses, and working across teams to protect customers before attackers ever get the chance. This blog highlights one such effort: a…
Microsoft Bounty Program year in review: $17 million in rewards
We’re thrilled to share that this year, the Microsoft Bounty Program has distributed $17 million to 344 security researchers from 59 countries, the highest total bounty awarded in the program’s history. In close collaboration with the Microsoft Security Response Center (MSRC),…
Microsoft Bounty Program year in review: $17 million in rewards
We’re thrilled to share that this year, the Microsoft Bounty Program has distributed $17 million to 344 security researchers from 59 countries, the highest total bounty awarded in the program’s history. In close collaboration with the Microsoft Security Response Center (MSRC),…
Zero Day Quest: Join the largest hacking event with up to $5 million in total bounty awards
Last year, we announced the largest hacking event in history: Zero Day Quest, with up to $4 million in bounty awards. The response from the global security community was incredible and helped improve security for our customers and partners. This…
.NET Bounty Program now offers up to $40,000 in awards
We’re excited to announce significant updates to the Microsoft .NET Bounty Program. These changes expand the program’s scope, simplify the award structure, and offer great incentives for security researchers. The .NET Bounty Program now offers awards up to $40,000 USD for vulnerabilities impacting the .NET and…
How Microsoft defends against indirect prompt injection attacks
Summary The growing adoption of large language models (LLMs) in enterprise workflows has introduced a new class of adversarial techniques: indirect prompt injection. Indirect prompt injection can be used against systems that leverage large language models (LLMs) to process untrusted…
Customer guidance for SharePoint vulnerability CVE-2025-53770
Summary Microsoft is aware of active attacks targeting on-premises SharePoint Server customers. The attacks are exploiting a variant of CVE-2025-49706. This vulnerability has been assigned CVE-2025-53770. SharePoint Online in Microsoft 365 is not impacted. A patch is currently not available for…
Congratulations to the MSRC 2025 Most Valuable Security Researchers!
The Microsoft Researcher Recognition Program offers public thanks and recognition to security researchers who help protect our customers through discovering and sharing security vulnerabilities under Coordinated Vulnerability Disclosure. Today, we are excited to recognize this year’s 100 Most Valuable Researchers…
Congratulations to the top MSRC 2025 Q2 security researchers!
Congratulations to all the researchers recognized in this quarter’s Microsoft Researcher Recognition Program leaderboard! Thank you to everyone for your hard work and continued partnership to secure customers. The top three researchers of the 2025 Q2 Security Researcher Leaderboard are…