general rules to follow for a board that i suggest:
1. _never_ have an admin username be 'admin'
2. _always_ make the login name _different_ from the display name for all admins (ie: i show Sirdude here, but my login name is gismachie for example)
3. _never_ use a password that is a word or words or date or 123456 ( yes that is one of the most popular passwords!
)
4. use a strong password and maybe even a tool like Lastpass to remember it for you ( it is free )
this will at least prevent anyone from guessing a login