Microsoft Data Breach

Microsoft experienced a data breach that was reported on December 14, 2025. Microsoft Worm Attack Warning

Key Facts

Organization
Microsoft
Date Reported
December 14, 2025
Incident Type
malware
Industry
Technology
Severity Score
5/10
Confidence Level
medium
Tags
malware

Source

View original source - External link to primary source documentation

Understanding malware Incidents

Malware infections can lead to data theft, system compromise, and persistent access for attackers. Endpoint protection and network monitoring help detect and prevent infections.