There is nothing special about the forum, you will have the same level of security as if you secured social media accounts (perhaps less due to the lack of features of two-factor authentication)
But even hackers do not try to steal newbie accounts because it does not provide any additional advantage to them.
So creating account with strogn password, hide your email a,d sign a message will be enough.
Exactly as long as members of this forum avoid clicking on phishing links and logging in from different devices and browsers.
Securing the account with strong password will be enough to protect one forum account, the rate of accounts hack have reduced significantly lately and this is because members of this forum are becoming more aware of the many tricks that hacker employer to steal personal log in details, so member are becoming more pro active in security and how to better protect their social media accounts including this forum.