Yahoo 2013 Data Breach Hit All $3Bln Customers

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It has been disclosed that accounts of every Yahoo user back in 2013, that is 3 billion were compromised in one of the biggest hacks ever.

"The investigation indicates that the user account information that was stolen did not include passwords in clear text, payment card data, or bank account information", the company said.

Yahoo said it will begin alerting accounts that weren't previously notified of the attack.

Now this breach is incredibly worrying for a number of reasons.

A majority of the three billion accounts affected, though, will no doubt be little used or once used email accounts.

The disclosure came from Oath, a subsidiary of USA telecomms company Verizon, which acquired Yahoo's online assets in June for $4.48bn.

The August 2013 Yahoo data breach is now believed to have affected three times as many accounts as the company originally reported when it first disclosed the breach last December. However, the company has been round-the-clock in helping users protect their accounts.

In brief, Yahoo had revealed that 500 million accounts got stolen in a 2014 state-sponsored attack in September 2016.

Verizon has combined its AOL subsidiary and Yahoo! into a new business called Oath.

Following the hacking revelations past year, Yahoo required password changes and invalidated unencrypted security questions to protect user information. The Equifax breach is also shaping up to be one of the worst breaches in history, impacting 145.5 million consumers and exposing sensitive information, such as social security numbers and driver's license numbers.

It should go without saying that users who still use the same password and username combination as they did in 2013 should consider changing those details in earnest. Though the hack is not an ongoing situation, Yahoo said it is continuing to work alongside law enforcement on the matter.

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