Choose secure passwords.

This is a very technical, but GREAT article about choosing secure passwords. Make sure to create difficult 8-10 digital passwords with lowercase, uppercase, and random characters. So, if one if your passwords is: LETMEIN!, expect to be hacked.
Well, you probably already have been ransacked a few times for giggles.

http://arstechnica.com/security/2013/05/how-crackers-make-minced-meat-out-of-your-passwords/