Microsoft Vista Security

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Security Enhancements	XP	Vista	Detail
Address Space Layout Randomization		X	New ‘randomization’ layer, which slightly changes the memory configuration of every Vista machine to make it harder for co-ordinated attacks to affect scores of machines at the same time
Anti-Malware	Add-On	X	Spyware scanning and removal tool, with realtime system monitoring
BitLocker Drive Encryption		Enterprise & Ultimate	BitLocker adds a layer of security to Windows Vista file and system protections and prevents offline viewing of files stored on the protected drive
Network Access Protection		X	An agent that can prevent a Windows Vista-based client from connecting to your private network if it lacks current security updates or virus signatures
	X	Lets the administrator set highly specific boundaries for other users
PatchGuard		64 Bit Only	Protections to the ‘kernel’ or core of the operating system
User Account Control (UAC)		X	Lets you operate Windows Vista more as a standard user than as a true administrator, where you have complete access to everything
Web Browser (IE7)	Add-On	X	IE7 in Vista has added security features that IE7 in XP does not have
Windows Advanced Firewall		X	Offers true firewall protection, including bidirectional filters
Windows Service Hardening		X	Restricts critical Windows services from doing abnormal activities in the file system, registry, network, or other resources that could be used to allow malware to install itself or attack other computers