(Bloomberg) -- More than 150,000 U.S. government and military employees are among the victims of Yahoo! Inc.’s newly disclosed data breach, and their names, passwords, telephone numbers, security questions, birth dates, and backup e-mail addresses are now in the hands of cybercriminals.

It’s a leak that could allow foreign intelligence services to identify employees and hack their personal and work accounts, posing a threat to national security. These employees had given their official government accounts to Yahoo in case they were ever locked out of their e-mail.

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