Hackers stole data from more than 1 billion user accounts - Yahoo

Hackers stole data from more than 1 billion user accounts - Yahoo

Yahoo said it believed hackers stole data from more than one billion user accounts in August 2013 in its largest data breach.

The email company said the information stolen by hackers may have included names, email address, phone numbers, birthdates and security questions and answers.

The company said it believed bank-account information and payment card data was not affected.

The hack revelation comes as telecom giant Verizon is proposing a $4.8 billion acquisition of Yahoo.

The latest disclosures comes just three months after the company revealed 500 million Yahoo accounts were hacked.

The latest hack was discovered after law enforcement provided Yahoo with data files that a third party claimed as Yahoo user data, according to a letter sent by Yahoo’s Chief Information Security Officer Bob Lord to customers.

The company said it had not been able to identify the hacker associated with the theft, and said it was likely a separate hack to the once the company disclosed in September 2016 that involved 500 million accounts.

The announcement in September referred to a massive data breach the company experienced in late 2014. In filing to the Securities and Exchange Commission field in November, the company acknowledged that hackers could have planted malware that would have allowed them access to compromised accounts later.



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