To secure your account on the forum the only way is:
1) Set a STRONG password, i.e. at least 12/14 characters with alphanumeric, capital letters and special symbols.
2) Stake your Bitcoin address here:
https://bitcointalk.org/index.php?topic=996318.03) Be aware of phishing websites, never insert your forum login info on other website which can steal your credentials.
4) It's recommended to use different passwords for different websites to avoid crossite credentials hijacking.
Stay safe, stay crypto.