OPM data breach (2015)
Hackers stole records of 21.5 million federal employees and contractors from the Office of Personnel Management, including fingerprints and background investigation data. The breach exposed the vulnerability of the government's central identity databases.
The OPM director resigned and Congress held hearings on federal cybersecurity failures.
The breach led to reforms in federal cybersecurity and highlighted the critical importance of protecting government identity records.
Shows the consequences when government identity databases are compromised — the SSN database is the modern equivalent, holding records for nearly 390 million people.
