US Office of Personnel Management
2 breaches26M affected in allGovernmentopm.gov
| Breach | Affected | ||||
|---|---|---|---|---|---|
| Background investigation files of 21.5 million people stolen from OPMJul 9, 201511 years agoHacking | Jul 9, 201511 years ago | Hacking | Government | Confirmed | 22M |
| OPM personnel records of 4.2 million federal employees stolenJun 4, 201511 years agoHacking | Jun 4, 201511 years ago | Hacking | Government | Confirmed | 4.2M |
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- 2026-09-25 · US Office of Personnel Management, 2015-06-04 · added
- 2026-09-25 · US Office of Personnel Management, 2015-07-09 · added
- 2026-09-25 · US Office of Personnel Management · added