"In fact, people are so predictable that most hackers make use of lists of common passwords just like these. To give you some insight into how predictable humans are, the following is a list of the 500 most common passwords. If you see your password on this list, please change it immediately. Keep in mind that every password listed here has been used by at least hundreds if not thousands of other people."
http://www.whatsmypass.com/the-top-500-worst-passw...
Interesting is that men have MUCH worse
passwords than females:
http://www.derkeiler.com/Mailing-Lists/Full-Disclo...
The lists embedded in some worms are probably the worst
mer 16 sep 2009 14:55:22 UTC — amishrabbitI've seen lists of 200-300 passwords embedded in worms that they use to spread to network shares. I'm sure that much smaller list is probably about 80-90% as effective as a 500-password list.