Yahoo Email Account User Names, Passwords Stolen

CBS San Francisco

SUNNYVALE (CBS / AP) — Yahoo said Thursday that usernames and passwords of its email customers have been stolen and used to access accounts, but the company isn’t saying how many accounts have been affected.

Yahoo is the second-largest email service worldwide, after Google’s Gmail, according to the research firm comScore. There are 273 million Yahoo mail accounts worldwide, including 81 million in the U.S.

Yahoo Inc. said in a blog post on its breach that “The information sought in the attack seems to be names and email addresses from the affected accounts’ most recent sent emails.”

That could mean hackers were looking for additional email addresses to send spam or scam messages. By grabbing real names from those sent folders, hackers could try to make bogus messages appear more legitimate to recipients.

The bigger danger: access to email accounts could lead to more serious breaches involving banking and shopping sites…

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