Vista Vulnerability Study Puts Microsoft on Defensive

Microsoft and some independent security researchers had the blogosphere buzzing Wednesday over a series of denunciations after one company claimed that Vista was more vulnerable to malware and other exploits than previous operating systems.

Late last week, a study by Sydney, Australia-based anti-virus concern PC Tools suggested that although Vista was an improvement over Windows XP in respect to system fortitude, it is more easily encroached upon by malware and other exploits than Windows 2000.

PC Tools found that for every 1,000 machines running Vista, 639 suffered from cases of malware in varying degrees. Among machines running Windows 2000, 586 were found compromised; for Windows 2003, 478.

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