Hi.

Your account was likely hacked because you saved a password in your email.

You need to change all your passwords so the account could be removed from the blacklist.
I also recommend removing any emails that have passwords saved and checking the computer for malware.

You can try recovering the account if you lose the owner's password.

https://reazuliqbal.com/HiveAccountRecovery/

Your account recovery is set to "appreciator".