SK Telecom SIM Data Breach

SK Telecom SIM experienced a data breach that was reported on June 30, 2025. SK Telecom drops sharply in brand value in Q2 after data breach

Key Facts

Organization
SK Telecom SIM
Date Reported
June 30, 2025
Incident Type
unauthorized access
Industry
Technology
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.