Microsoft move sends shivers through antivirus market, ComputerWorld, 7 Jan 2005

“The stocks of major antivirus software vendors traded lower after Microsoft Corp. yesterday announced the release of beta antispyware technology it bought in December and said it would begin giving away an improved tool to remove worms and viruses from its customers' computers.�

Full story at http://www.computerworld.com/securitytopics/security/story/0,10801,98802,00.html