If youre concerned about security on your computer network, theres a new word to add to your vocabulary rootkit. A rootkit is a set of utilities installed on your computer whose purpose is to hide what other programs are doing. Theyve been around for a few years, but they didn’t really hit the security spotlight until November 2005. That was when researchers discovered that some CDs from Sony were installing a rootkit on user computers as part of their DRM (Digital Rights Management) software. The purpose of the rootkit was to prevent the DRM software from being detected and uninstalled but there was an unintended side effect. The rootkit opened a security hole on those computers that couldnt be detected by standard security software, and left them vulnerable to attacks by malicious software and hackers.
Thats bad news for users and IT professionals who depend on virus and spyware detection programs to alert them to an invader on their networks. Generally, when youre computer is infected by spyware or malware , it can be detected by monitoring your computer activity. You can check the running processes and find programs that shouldnt be loaded. You can run a...