Microsoft Data Breach
Microsoft experienced a data breach that was reported on September 28, 2025. Microsoft Copilot has access to three million sensitive data records per organization
Key Facts
- Organization
- Microsoft
- Date Reported
- September 28, 2025
- Incident Type
- unknown
- Severity Score
- 5/10
- Confidence Level
- medium
Source
View original source - External link to primary source documentation
Understanding unknown Incidents
Data breaches can result in significant financial, operational, and reputational damage. Organizations should implement defense-in-depth strategies and maintain incident response capabilities.