Facebook While the total number of accessed accounts was smaller than initially thought, the personal data taken from about half of the affected accounts was extensive. (Photo: Jason Alden/Bloomberg)

Facebook Inc. said intimate information, including search results, recent locations and hometowns, were stolen from 14 million users by attackers in a major hack of the social network disclosed two weeks ago.

The company said the cyberattack, one of the worst to hit Facebook, affected 30 million people rather than about 50 million the company first reported Sept. 28. While the total number of accessed accounts was smaller than initially thought, the personal data taken from about half of the affected accounts was extensive.

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