As you create an account on Facebook, be careful about all the personal information you volunteer during the registration process.
Facebook only needs your name and a (fake) birthday.
Do NOT use the same password you use for your e-mail or other sensitive online accounts. If your Facebook account is compromised, you do not want a hacker owning a password that’s used in multiple places.
Be selective about who you invite — and approve — to be your friends. Be very careful about the information you enter in your profile (your friends already know; Other people don’t need to know).