In recent weeks, the Internet has been full of reports of personal data leaks again, and this time everything is bigger than ever: Facebook has failed to protect more than half a billion of its users from intruders. And although many are already used to such troubles, in fact, they are much more serious than they seem.

We tell you how to check the availability of your data in hacker databases and what to do if they are found there.

The recent scandal with Facebook could easily be the starting point for a new round of discussion about the responsibility of IT corporations to users. The Internet has not encountered leaks of this scale for a long time. Recall that in January, a high-tech division of the Vice — Motherboard online publication specializing in news topics discovered a bot selling personal data in the Telegram messenger. It differed from other similar services by a huge database: more than 500 million sets of personal data of Facebook users.