A dire warning is out this morning for Yahoo account holders! Yahoo accounts hacked in 2013 are still vulnerable and it has suffered another hack!
The company said this morning that it discovered a breach of more than one billion user accounts that occurred in August 2013. The breach is believed to be separate and distinct from the theft of data from 500 million accounts that Yahoo reported this September.
Yahoo’s Chief Information security officer Bob Lord says that the company hasn’t been able to determine how the data from the one billion accounts was stolen. “We have not been able to identify the intrusion associated with this theft,” Lord wrote in a post announcing the hack.
“The stolen user account information may have included names, email addresses, telephone numbers, dates of birth, hashed passwords (using MD5) and, in some cases, encrypted or unencrypted security questions and answers,” Lord added.
Apparently, Yahoo was alerted to the massive breach by USA law enforcement and has examined the data with the help of outside forensic experts. The data does not appear to include payment details or plaintext passwords, but it’s still bad news for Yahoo account holders. The hashing algorithm MD5 is no longer considered secure and MD5 hashes can easily be looked up online to discover the passwords they hide.
Yahoo says it is notifying the account holders affected in the breach. Affected users will be required to change their passwords after Yahoo accounts hacked.
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