Psst, want to break into someone's e-mail? The Washington Post reports you can hire a hacker for as little as $30 with no questions asked. Cheating spouses beware!

How do they do it? Very often through cute little e-cards that contain hidden keyloggers when you open them. Clark no longer opens or sends any e-cards as a preventative measure.

Several weeks ago, the consumer champ discussed the 10 most common passwords on the show. Make sure your password isn't too easy to crack or you're just giving yourself away to hackers.

Ultimately, if somebody wants in, they'll get in no matter what precautions you take. That's why communication of a sensitive nature should not be done by e-mail. Phone calls are still the safest way to communicate -- even with the federal government's ability to eavesdrop.