Signal Data Breach

Signal experienced a data breach that was reported on April 1, 2025. Signal Chat Leak

Key Facts

Organization
Signal
Date Reported
April 1, 2025
Incident Type
unauthorized access
Severity Score
5/10
Confidence Level
medium
Tags
unauthorized access

Source

View original source - External link to primary source documentation

Understanding unauthorized access Incidents

Unauthorized access breaches occur when attackers gain entry to systems without permission through credential theft, vulnerability exploitation, or social engineering.