About 146,000 people using a jobs Web site sponsored by the U.S. government have had their personal information stolen by hackers who broke into computers at Monster Worldwide Inc, a government spokesman said on Thursday.

The theft on the USAjobs.gov site, which has about 2 million total users, was part of the hacking operation that Monster disclosed last week, according to Peter Graves, a spokesman for the U.S. Office of Personnel Management.

Monster runs the site on behalf of the government.

On Wednesday, the government temporarily restricted recruiters from accessing the database until Monster completes efforts to ensure its computer system is secure, Graves said.

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