Facebook generated email addresses for all users

    Facebook in its own style took and replaced in the user profiles (timelines) all the addresses of third-party email services, such as gmail.com or mail.ru, with their addresses in the facebook.com domain. Whoever did not have a facebook.com email address before - the system automatically generated it and made it the main one. The old email address has gone deep into the site and is not shown as contact information.

    It turns out that it is very simple to change the mailing addresses of several hundred million people. The main thing is to act boldly and decisively.

    Facebook launched its own email service in 2010, but it never received much popularity. In April, the company synchronized the mailing addresses with the timeline, so that the mailing address is username @ facebook.comalways matches the URL of the personal page facebook.com/username .

    “As announced in April, we updated Facebook addresses to make them consistent across our site,” said a social network employee. “Each user received a mailing address, and a new item appeared in the service’s settings where you can specify which mailing address you want to use in your timeline.”

    You can return your mailing address in the profile settings ( instructions ).

    UPD Since many users do not understand the seriousness of the situation in the comments, it requires a little explanation. Some experts call such actions of Facebook an attack like MITM.. In cryptography, MITM (the man in the middle) is a method of compromising the communication channel, in which an attacker, connecting to the channel between contractors, actively interferes with the transmission protocol, deleting, distorting information or imposing false information. Imagine a situation where user A wants to transfer important information to user B. To do this, he must go to the profile of user B, get information about his mailbox P - and send information there. However, agent F secretly intervenes in the communication channel, which pre-changes the value of P to get a copy of the information on its server. As a result, the information goes to the agent F server, but does not go to the mailbox P.

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