Hackers Stole U.S. Data on More Than 20 Million People

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Vehicles drive past the Theodore Roosevelt Building, headquarters of the U.S. Office of Personnel Management (OPM), in Washington, D.C.

Photographer: Andrew Harrer/Bloomberg

Hackers stole Social Security numbers and other personal data for about 22.1 million people in breaches of the U.S. government’s personnel office, the Obama administration said.

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