From Webcam Anti Hijack:
Hijack webcams has become a bigger threat to the home and business environments. better video quality, low cost webcam and faster internet connection are making the web camera an easy and worthy target. Today's hijack programs are so easy to use that everyone can use it to spy. The hackers can use your everyday programs running on your computer, like Internet browser and chat programs. Those programs are not being monitored by standard antivirus programs due to their high reliability. Our solution: The Webcam anti hijack engine was designed to work different than any other security program in the market today. Our patent pending algorithm treats every process as a potential threat while it consumes very low system resources. The highlight of this software is the Smart Agent. The Smart Agent has a learning capabilities and a rules definition system that let you define rules and stop processes from accessing your web camera.