If you use one of these passwords you may want to make a change. A study has released a list of the most commonly used passwords in 2013. Some of the usual suspects remain on the list. The top five are 123456, password, 12345678, qwerty, and abc123.
Needless to say, having a weak password is one of the most common security exposures out there. Remember watching 'Jurrasic Park' ? How did the kids hack into the bad guy's computer system? He left the UNIX root password remain the default (which is usually root).
Here's a link to the article: