Nikkei Data Breach
Nikkei experienced a data breach that was reported on November 10, 2025. Nikkei Data Breach Exposes Personal Data of Over 17,000 Staff
Key Facts
- Organization
- Nikkei
- Date Reported
- November 10, 2025
- Incident Type
- unauthorized access
- Country
- Japan
- Severity Score
- 5/10
- Confidence Level
- medium
- Tags
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.