123456! QWERTY! Password! These are some of the 500 worst passwords listed down by Dave Kleiman in his book Perfect Password: Selection, Protection, Authentication. Hilarious to see some of the passwords listed down there – one of them being ZZZZZZZ!!
On a serious note, if your password is one of the 500 listed ones, you must think of something better and change it right away! Securing your GMail or any other email will be useless if you have one of these passwords.
Let me know if any of your passwords is listed above!