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Windows Vista UAC Effective Defense Against Rootkits

vista Considering turning off UAC on your Windows Vista computer? You might want to think again.

UAC is Microsoft’s User Account Control. It’s a sometimes nagging interface that can help to protect your computer. It has specific rules on what an administrator can and cannot do. When UAC is turned on, the software on your computer is running without administrative permissions. If you or your computer attempts to perform an action that requires administrative privileges, UAC pops up a window asking if you want to elevate to administrator so the action can be completed.

The good – if left on, UAC can be an extremely effective defense against many infections. Most recently proven in a paper by when they tried to infect a Windows Vista test system with rootkits. Rootkits are the nastiest of infections that work by installing a system driver that hides other infections as they steal your information or ruin your operating system. With UAC turned on, AV-Test couldn’t get any of the rootkits to install. In order to install the rootkits, they had to disable UAC.

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