Breachesby GlyphUS Office of Personnel Management
Disclosed Jul 9, 201521,500,000 affectedConfirmed
Background investigation files of 21.5 million people stolen from OPM
OPM concluded that background investigation records including Social Security numbers of 21.5 million people were stolen: 19.7 million applicants and 1.8 million others such as spouses. About 5.6 million records included fingerprints.
What is known
| People affected | 21,500,000 (as reported by the organization) |
|---|---|
| Disclosed | Jul 9, 2015 |
| Discovered | Jun 2015 |
| Attack | Hacking |
| Data exposed | NamesSocial Security numbersBiometricsCredentials and tokensEmploymentAddressesDates of birth |
| Sector | Government · US |
| Status | Confirmed |
Sources
Notices filed
Other breaches at US Office of Personnel Management
History of this record
First recordedby seedSource
First seen 2026-09-25 (Research), confirmed by Research. Record counts are as reported. Not legal advice.