While this may be good news for buyers of Vista, it is not for anyone who makes a living from selling anti-spyware software. The worldwide market has boomed recently, reaching $97m in revenue in 2004, up 240.4 per cent from a year earlier, according to IDC. However, companies such as Sunbelt Software and Webroot Software are in for tough times, analysts said.
Yankee Group analyst Andrew Jaquith said: "The aftermarket for Windows anti-spyware is going to dry up almost completely. Windows Defender is going to become the default anti-spyware engine, certainly for most consumers that have Vista machines."
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