Microsoft Security Response Center

The Microsoft Security Response Center is part of the defender community and on the front line of security response evolution. For over twenty years, we have been engaged with security researchers working to protect customers and the broader ecosystem.

Our Mission MSRC Blog

The Microsoft Cyber Defense Operation Center (CDOC)

BlueHat
Over the last decade, BlueHat conferences have drawn the brightest minds in security to examine the industry's key challenges.
Conference Information
Security Update Guide
MSRC investigates all reports of security vulnerabilities affecting Microsoft products and services, and provides the information in this guide as part of the ongoing effort to help you manage security risks and help keep your systems protected.
View the Guide
Bounty Programs
If you are a security researcher that has found a vulnerability in a Microsoft product, service, or device we want to hear from you. If your vulnerability report affects a product or service that is within scope of one of our bounty programs, you may receive a bounty award according to the program descriptions.
Learn More

Security vulnerabilities
If you believe you have found a security vulnerability that meets Microsoft's definition of a security vulnerability , please submit the report to MSRC
Report a vulnerability
Abuse Reports
Please submit a report if you have experienced abuse or a privacy issue originating from a Microsoft-hosted site or service.
Report Abuse
Infringements
Submit a report of copyright or trademark infringement to Microsoft.
Report Infringement

Microsoft Security Response Center

BlueHat

Security Update Guide

Bounty Programs

Security vulnerabilities

Abuse Reports

Infringements