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Windows Vista More Vulnerable To Malware Than Windows 2000




Windows Vista More Vulnerable To Malware Than Windows 2000
Windows Vista More Vulnerable To Malware Than Windows 2000



http://www.informationweek.com/news/windows/operatingsystems/showArticle.jhtml?articleID 7601217 

By Thomas Claburn
InformationWeek
May 8, 2008 

Microsoft (NSDQ: MSFT)'s Vista operating system is more susceptible to 
malware than Windows 2000, and though it's 37% more secure than Windows 
XP, it's still too vulnerable.

That's the contention of security vendor PC Tools Software, which has a 
financial interest in the vulnerability of Microsoft's software.

"Ironically, the new operating system has been hailed by Microsoft as 
the most secure version of Windows to date," said Simon Clausen, CEO of 
PC Tools, in a statement. "However, recent research conducted with 
statistics from over 1.4 million computers within the ThreatFire 
community has shown that Windows Vista is more susceptible to malware 
than the eight year old Windows 2000 operating system, and only 37% more 
secure than Windows XP."

According to statistics gathered from users of PC Tools' ThreatFire 
security service, Vista let 639 threats per thousand computers through, 
compared with 586 for Windows 2000, 478 for Windows 2003, and 1,021 for 
Windows XP.

ThreatFire is an anti-malware system that tries to block malicious 
software based on its behavior rather than by signature matching.

Given an infection rate of 639 per 1,000 PCs, almost 64% of Vista users 
should have compromised machines.

Michael Greene, VP of product strategy for PC Tools, said that the 
malware identified had "gotten to the desktop and to the point of doing 
something bad." He said that he didn't have the ThreatFire data 
immediately accessible but said that presumably some of the monitored 
machines also had third-party antivirus software that missed the 
malware.

That tendency, the inability of signature-based antivirus systems to 
keep up with auto-generated malware variants, is the reason PC Tools 
developed ThreatFire, Greene explained.

A Microsoft spokesperson questioned whether PC Tools' methodology 
conforms with Microsoft's methodology.

"We appreciate independent studies and encourage researchers to help us 
make our products more secure; however, this is a study by a vendor of 
anti-malware products," a Microsoft spokesperson said in an e-mailed 
statement. "ThreatFire vulnerability comparison numbers certainly don't 
reflect our vulnerability findings from the malicious software removal 
tool (MSRT), which ran on over 400 million machines in December 2007. 
>From June 2007 through December 2007, the MSRT found malware on 2.8% of 
the Windows Vista machines it ran on, vs. 7.2% of Windows XP SP2 
machines. It found malware on 5% of Windows 2000 SP4 machines and 12.2% 
of Windows 2000 SP3 machines. Note that for Windows 2000 this spans both 
client and server machines."


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