Top Five Online Scams

The FBI recently began warning people of scammers posing as tsunami-relief organizations. And late last month, the FBI warned that someone out there was even posing as the FBI itself--sending a fraudulent e-mail with the subject line "FBI Investigation" and trying to lure people into buying products from a separate, fictional scam artist whom the Feds were supposedly on to.

Confusing? Sure. But just ask yourself this: When was the last time the FBI sent a polite e-mail when they wanted someone's cooperation in an investigation?

Thousands of con artists, grifters, fraudsters, and other denizens of the dark are trolling for victims online. Can you recognize online fraud when you see it? Here's a quick guide to the Top 5 scams and schemes you're most likely to find on the 'Net.