Editing Norton Internet Security (section)

===Windows Vista===
Sarah Hicks, Symantec's vice president of consumer product management, voiced concern over Windows Vista 64-bit's [[Kernel Patch Protection|PatchGuard]] feature. PatchGuard was designed by Microsoft to ensure the integrity of the [[kernel (operating system)|kernel]], a part of an [[operating system]] which interacts with the hardware. [[Rootkit]]s often hide in an operating system's kernel, complicating removal.<ref>{{cite web |url=http://ericuday.googlepages.com/EKumar_Rootkits.pdf |title=Battle with the Unseen–Understanding Rootkits on Windows |access-date=2009-03-15 |author=Eric Uday Kumar |publisher=Association of Anti-Virus Asia Researchers |year=2006 |archive-date=2010-01-20 |archive-url=https://web.archive.org/web/20100120023038/http://ericuday.googlepages.com/EKumar_Rootkits.pdf |url-status=dead }}</ref> Mike Dalton, European president of [[McAfee]] said, "The decision to build a wall around the kernel with the assumption it can't be breached is ridiculous", claiming Microsoft was preventing security vendors from effectively protecting the kernel while promoting its own security product, [[Windows Live OneCare]]. Hicks said Symantec did not mind the competition from OneCare.<ref>{{Cite news|url=https://www.forbes.com/2006/10/05/symantec-virus-microsoft-tech-cx_ll_1006symantec.html |title=Symantec Snaps At Microsoft |access-date=2009-03-11 |author=Lisa Lerer |work=Forbes |date=October 10, 2006 }}</ref> Symantec later published a white paper detailing PatchGuard with instructions to obtain a PatchGuard exploit.<ref>{{cite web |url=http://www.symantec.com/avcenter/reference/Security_Implications_of_Windows_Vista.pdf |title=Security Implications of Windows Vista |access-date=2009-03-11 |publisher=Symantec Corporation |archive-date=2008-12-07 |archive-url=https://web.archive.org/web/20081207170756/http://www.symantec.com/avcenter/reference/Security_Implications_of_Windows_Vista.pdf |url-status=dead }}</ref> After negotiations and investigations from antitrust regulators, Microsoft decided to allow security vendors access to the kernel by creating special [[Application programming interface|API]] instructions.<ref>{{Cite news|url=https://www.reuters.com/article/technologyNews/idUSTRE4AI0M020081119 |title=Microsoft to offer free security software |access-date=2009-03-14 |author=Gabriel Madway |publisher=Thomson Reuters |date=November 18, 2008 }}</ref>