Bachelor Thesis from the year 2011 in the subject Computer Science - Applied, grade: 1,3, University of Applied Sciences Munster, language: English, abstract: This bachelor thesis gives relevant issues about computers today, especially on the use of multimedia systems such as audio and video chat, along with related laws and regulations by government and some past events concerning computer security. Then some basics about computer security, including network basics, and the development of a prototype are described. The prototype development includes web-cam capturing on a victim's system and...