Russian security vendor Kapersky has jumped to the defence of Microsoft, refuting claims by rival security vendors Symantec and McAfee that Microsoft is using its monopoly to lock them out of access to the Vista operating system kernel.
According to a Reuters report, Kapersky co-founder and chief executive Natalya Kapersky said that from what the company had seen of Vista, Microsoft was not blocking access to the core.
Both Symantec and McAfee, the two largest security software vendors in the world, claim that the Patchguard feature of Vista, which locks up the kernel to prevent modification of the core code, would not make exceptions form security companies so that they could protect the operating system from the inside out.
Both McAfee and Symantec say that Patchguard has already been hacked at least once.
View: Full Article @ iTWire
According to a Reuters report, Kapersky co-founder and chief executive Natalya Kapersky said that from what the company had seen of Vista, Microsoft was not blocking access to the core.
Both Symantec and McAfee, the two largest security software vendors in the world, claim that the Patchguard feature of Vista, which locks up the kernel to prevent modification of the core code, would not make exceptions form security companies so that they could protect the operating system from the inside out.
Both McAfee and Symantec say that Patchguard has already been hacked at least once.

^ Really? Glad you set us straight. ROFL!
I believe it's Kaspersky, not Kaperspy, and not Kasperspy either, the two mispellings remain.
yes please.
So MS putting this Patchgaurd stuff in its going to put a lot of busniesses out of work, unless th they come up with something new, and i'm sure you would all agree, if MS was going to release a new Windows you would all like it to be as secure as possible.
This is going to be like MS AntiTrust 2, unless we already had that one?
Let the snot-nosed kids at Symantec whine some more.
http://www.neowin.net/forum/index.php?showtopic=500930
Interesting reading...
In summary, Microsoft locked up tight the kernel but provided "secure" APIs that can be used by 3rd parties to create AntiViruses, Firewalls and whatever other security software you can immagine. The doors to the kernel are provided by Microsoft so other companies can provide "better" alternatives. Their (the security companies) only problem is that Symantec & co. will have to re-implement their codebase to use these APIs.
So it's pointless to install antivirus software on your PC now?
being MS as big as it is, there will always be a need of Antivirus, because the general user it just dumb and will run and give access to anything they come across, as it has always been said the mayor security hole of any OS and specially windows, since the way they designed XP and below has been the user
Too bad, so sad Symantec...but please keep whining. It just reaffirms that we made the right decision.
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