Popular Gmail service could not resist hacking, which led to the promulgation of a huge addresses database.
Recently, the same thing happened with Yandex and Mail.ru. 4 929 090 gmail.com accounts became public. Authenticity has not been confirmed, but it is said about 60 percent of current addresses and passwords.
People perceived this information quite easily, saying that such fraud is not new. This is certainly true, but many users find themselves in the lists of exposed information, then they changed the passwords and began to be more careful to the security of their data.
From the fact that bases appear from many services, messages from "Yandex" and Mail.ru are correct, and it is not the result of data leakage, but the consequences of phishing attacks, malicious software, the use of unreliable passwords and other security mistakes made by users while working with e-mail. Therefore it the passwords are recommended to be changed on your mailbox, even if they are not related to the above mentioned services, because it is still one of the most effective methods of data protection. There are some services that can help you to find out whether your E-mail has public access.
isleaked.com/ (yandex.ru и mail.ru, gmail.com)
yaslit.ru/ (yandex.ru, mail.ru, gmail.com)
games-gen.com/mails/check3.html (mail.ru, 4 427 521)
games-gen.com/mails/check2.html (yandex.ru, 1 261 809)
games-gen.com/mails/check.html ( 4 879 197)