I've read and heard over and over that the best hackers use the weakest link to hack into systems. Don't know what the weakest link is? It's you and me! How else could phishing scams be so successful?
Today I came across this image via digg. Supposedly this is a person tricking another person into giving out their password by telling them that the IRC software they are using will not display his password. Check it out:
Now I don't think I'd fall for that. But plenty of people probably would. So keep a sharp lookout and remember to keep your password(s) to yourself.