Date
28 March 2017
State-sponsored culprits may have hacked 500 million Yahoo accounts in the biggest cyber breach ever but sensitive information does not appear to have been compromised. Photo: Reuters
State-sponsored culprits may have hacked 500 million Yahoo accounts in the biggest cyber breach ever but sensitive information does not appear to have been compromised. Photo: Reuters

Yahoo blames theft of 500 mln accounts on state-backed hackers

Hundreds of millions of Yahoo user accounts were stolen in 2014 by suspected state-sponsored culprits.

Reuters is reporting that the theft of 500 million accounts is believed to be the biggest cyber breach ever.

These included names, e-mail addresses, telephone numbers, dates of birth and encrypted passwords, Yahoo Inc. said.

However, unprotected passwords, payment card data and bank account information did not appear to have been compromised.

“This is the biggest data breach ever,” said cryptologist Bruce Schneier.

He said it was too early to say what impact the breach might have on Yahoo and its users because many questions remain, including the identity of the state-sponsored hackers behind it.

It was not immediately clear when Yahoo learned of the hack and why it took two years to come to light.

The size of the attack on Yahoo was unprecedented compared with other corporate breaches such as at eBay Inc. in 2014 which involved personal data of 145 million users.

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