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Windows 7: Windows 7 more malware-resistant than XP/Vista

15 May 2011   #1

Windows 7 Home Premium 64bit
Windows 7 more malware-resistant than XP/Vista

Nothing that we don't know intuitively and or through first hand experience but here are some hard numbers on the subject. Complete article on link.

Windows 7 more malware-resistant than XP/Vista

By Adrian Kingsley-Hughes | May 15, 2011, 6:01am PDT

If youíre a Windows user thatís holding onto your Vista or XP installation, then this recent security report from Microsoft might make you think about switching to Windows 7.
The report goes on for nearly ninety pages, but I think that this chart of quarterly infection rates for 2010 says it all really:

This data has been normalized so that it represents infections per thousand systems (in other words, the popularity of XP doesnít skew the results towards XP).
Windows XP SP3 32-bit has an infection rate of 15.9 per thousand systems, while Windows Vista SP2 32-bit has half this infection rate, 7.5 per thousand. Windows 7 32-bit nearly halves this again to 3.8 per thousand, while Windows 7 64-bit managed to get the infection rate per thousand down to 2.5.
Why is 64-bit Windows more secure? Microsoft offers up two possible suggestions:
  • That 64-bit users are more savvy than 32-bit users (more true in 2010 than it is in 2011)
  • Kernel Patch Protection helps to prevent unauthorized modifications, hobbling a lot fo malware
There are other interesting nuggets in the report. Take this chart of exploit attempts, showing how hackers have leapt on Java:

My System SpecsSystem Spec
15 May 2011   #2

Windows 7 Ultimate 64-bit / Ubuntu Linux 11.04

Yep, there is some truth to this. Most of the Virus issues I get at work are from people using Windows XP.
My System SpecsSystem Spec
15 May 2011   #3
I be he

Win 7 64 premium

How many more people use xp compared to 7?
My System SpecsSystem Spec

15 May 2011   #4

Windows 7 x64 Home Premium

Quote   Quote: Originally Posted by Buddahfan View Post
Windows XP SP3 32-bit has an infection rate of 15.9 per thousand systems, while Windows Vista SP2 32-bit has half this infection rate, 7.5 per thousand.
That sure isn't what they were saying 3 years ago when Vista was being thrashed about.

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 Windows 7 more malware-resistant than XP/Vista

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