A UK mob has collected Top 10 Most Common Passwords; soccer teams rate highly. German passwords are just as lame, with the f-word, hello and digits strings starting with 1234 rating very highly, as does treasure and, for some odd reason, Daniel (care to explain, mister?).
Dictionary based searching works – if you aren’t going through something that monitors that sort of thing. Ophcrack will break into a Windows system, by running through very large dictionaries, some of which are available only by purchase.
Perhaps to read the advice on Choosing a Pretty Good Password. Myself, most of my passwords are highly insecure. But that’s only because they’re on systems I don’t give a tinker’s cuss about. The ones I do are pretty tight.
Does anyone out there use multiple, changing, strong passwords? If so, how do you keep them straight? If not, why are you toying with your security like that?