The domainer trendicator on namepros recently had almost 800 domains stolen from his godaddy account, passwords were stolen using a Keylogging trojan virus.

Unfortunately other accounts of his were also hacked down to this keylogger

Lesson - use different passwords and usernames for all your domaining ac's

Run spybot (free !) and update regularly, and make sure you use spybots immunise facility too !
also make sure your anti virus sware is upto date