"That's not a reason unto itself to conclude that that's a scam Web site, but it is a reason to be cautious, " Swecker said.

CNN: Dubious Katrina Web sites increasing

However, one blogger warned that the site might be a scam designed to steal information from visitors to the page.

BBC: Hackers retaliate over Megaupload website shutdown

My first reaction was that this was yet another phishing scam, designed to take me to a site where I would hand over my Twitter credentials like a mug.

BBC: Twitter's most serious security crisis

Web sites are layering on more security to fight the common Web scam known as phishing, in which spammers lure people into logging on to a bogus site and steal their user names and passwords.

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