Claremont McKenna College

• Spybot-Search and Destroy- Detects and removes spyware, a relatively new kind of threat not yet covered by most anti-virus applications.
• Ad-Aware-With the ability to scan your RAM, Registry, hard drives, and external storage devices for known data-mining, advertising, and tracking components, Ad-Aware 2007 easily can clean your system, allowing you to maintain a higher degree of privacy while you surf the Web.
• Windows Defender-a free program that helps you stay productive by protecting your computer against pop-ups, slow performance and security threats caused by spyware and other potentially unwanted software.