Yahoo, the second e-mail server of the world most important after Gmail, restored the passwords of your users after a cyber attack, according to the company said.

‘We have recently identified a coordinated effort to gain unauthorized access to email accounts from Yahoo, but our research indicates that the list of users and passwords that were used to execute the attack was probably obtained from another database’, explained in a company blog Jay Rossiter, vice president for platforms and customization of products.

Yahoo did not detail the number of pirated accounts but if announced he has sent emails and text messages to the affected users with a system of double checking to restore their passwords.

The technology giant investigate next to the authorities the source of the attack, which from what is known so far, there would have been from the theft of passwords to other servers or web pages.

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In the aftermath of that attack, experts cited by the US media to the netizens recalled the importance of having different passwords, i.e. do not use the same for all your email accounts, subscriptions to social networks or access to other websites.

This is not the first cyber attack that suffers from Yahoo, which had two notorious in the year 2012 and at the beginning of this year, and represents a new performance of the hackers that is fuelling the debate on security and privacy on the Internet.

Rossana