Again! Yahoo e-mail account more than $ 1 billion has been stolen, the largest ever hack

Yahoo has revealed on Wednesday that the accounts of users their email more than 1 billion, including the phone number, birth date, and security questions many may have been stolen by their Hacker during an attack (Hack), which took place in August 2013.

Gender press (Insider), published on the morning of Dec. 15, that announcement could hack biggest unprecedented and it was a separate incident after the announcement of data stolen by hackers in September. Yahoo Hack in this account said at least 500 million email users were destroyed, damaged.

Yahoo said the company has not been able to determine the identities of aggression associated with the theft yet. Through this announcement caused its shares down 2.5 percent on Wednesday. The announcement of this attack may affect to sales of $ 4.8 billion of Yahoo to Verizon that have not yet closed.
Yahoo showed the hacks in the past to Verizon after the consent agreement. While Verizon Hack said the incident took this data can affect the condition and value of the acquisition.
With account to steal more than $ 1 billion, it became the biggest hack in history after the hacks on major social networks MySpace account stole 360 million user accounts and passwords of 427.
Yahoo has confirmed that payment card data including the user's bank account information is not stored in the company's email system. But hackers can steal users' personal information such as name, email address, telephone number, date of birth, password security, including questions and answers too.