help i just got hacked 2

[Shane_2k]

i have a site and i got hacked i dont no how i did it but i regained control they used stupid passwords in admin then i kicked them of
how can i protect my board so they cant come back and hack into it again is there any hope

[Admin]

Stop cross posting, Shane_2k. You posted this thread about 5 times in 3 different forums.