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500m accounts breached in attack on Yahoo in 2014

Stolen information may include names, e-mail addresses, phone numbers, passwords

BE CAREFUL OUT THERE: Yahoo is encouraging users to review their accounts for suspicious activity and to change their password and security questions, along with answers for other online accounts using similar information.

San Francisco

YAHOO Inc said that the personal information of at least 500 million users was stolen in an attack on its accounts in 2014, exposing a wide swath of its roughly one billion users ahead of Verizon Communications Inc's planned acquisition of the Web portal's assets.