I got 2 messages, one than my email was changed and other my password was changed, that mail what otold me my email was changed offered a link to lock my account so i locked how i can get my account back.
this is email
Dear zincra,
Your Bitcoin Forum ([Suspicious link removed] to
isushu@yopmail.com by IP address 78.26.198.233. If you did not do this, then you can visit the following link within 14 days in order to lock the account:
https://bitcointalk.org/index.php?action=seclock;u=803144;t=1531139910;o=aXN1c2h1QGdtYWlsLmNvbQ%3D%3D;n=aXN1c2h1QHlvcG1haWwuY29t;c=%2BgJwzggxZFJhKwMUgkNJk1nkBwLx2tV7jIvh6tUcT9I%3DNote that you will NOT be asked for your password at that URL.
Regards,
The Bitcoin Forum Team
and this is other Dear zincra,
Your Bitcoin Forum (bitcointalk.org) password was just changed by IP address 78.26.198.233. If you did not do this, then you should use the forgotten password feature to change your password.
Regards,
The Bitcoin Forum Team.
what steps i need to do to get my account back
my main user
https://bitcointalk.org/index.php?action=profile;u=803144