breakthechain.org
Hoax Busters
Hoax Catalog from nonprofit.net
Hoaxes - McAfee
Hoaxes - Symantec
Legitimate Viruses from Symantec
Museum of Hoaxes debunks a bevy of history's mysteries
ScamBusters Urban Legends
Symantec page on hoaxes
Urban Legend Combat Kit
Urban Legends Reference Page
Virus Hoaxes
Virus Hoaxes from McAfee
Vmyths virus myths and hoaxes