This extension carefully checks your username and password against the published lists of accounts that are known to be compromised, and tells you if you're in danger so you can fix the problem.
Has your password been hacked??
Stop using the same password for everything
Remember when we used to say that writing your password on a Post-It note and sticking it to your monitor was a bad idea? Nowadays that's probably one of the safer places to keep it. Unfortunately, with just about everything online requiring yet another username and password, your screen would be encircled by a veritable wreath of Post-Its! There is a better way, and it's NOT to...
Witt's End Computer Service 