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A Closer Look at Windows Vista Part I: Security Changes

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the stated goals of the Microsoft Windows Vista release is to greatly improve ... To reduce the effects of malware Windows Vista includes a new security ...

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A Closer Look at Windows Vista Part I: Security ChangesPage 1A Closer Look at Windows Vista Part I:Security ChangesOverviewMalware refers to any software that secretly infiltrates and damages a computer system without the informed consent ofthe owner. Despite the use of antivirus and antispyware software malware can still affect even careful users. One ofthe stated goals of the Microsoft Windows Vista release is to greatly improve the overall security of the Windowsoperating system and curb the impact of malware. To this end Microsoft redesigned both the least user andadministrative accounts on Vista; the result is perhaps the most secure version of Windows in the age of the Internet.Traditional Windows User Privilege ModelThe concept of least user or standard user accounts has been a part of Windows releases for many years. Howeverinteracting with the Windows operating system as a standard user has historically been difficult. Standard users cannotinstall or uninstall software change security settings or even perform seemingly innocuous tasks such as adjustingcomputer power settings or time zone.In addition many software applications created over the past decade require administrator access to run because theyaccess protected directories and registry keys such as C:Program Files C:Windows or HKEY_Local_Machine .Securityminded individuals who attempted to run Windows XP or previous versions of Windows using only standardaccounts quickly realized that it was an exercise in futility.As a result most users of Windows XP or earlier Windows versions run as members of the Windows Administratorsgroup. This is problematic because providing a user with complete control of a computer also provides everyapplication and service on that computer with the same amount of access. If a computer is compromised by malwarethat malevolent code has complete access as well; this is one of the chief reasons that Windows computers have longbeen susceptible to external attack.User Account ...

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