Many of the apparently fraudulent Web sites trying to tap into Katrina relief donations feature pop-ups, spam through provided links and other unsolicited e-mails.

CNN: Dubious Katrina Web sites increasing

And because they can't tap into the Troubled Asset Relief Program--the government's bailout kitty for U.S. banks--they're also not tied down by its restrictions, including executive compensation limits and dividend payments to Uncle Sam.

FORBES: Wall Street