The Real Cost of Free Programs such as Instant Messaging and Peer-to-Peer File Sharing Applications

As it is becoming ever easier for even a novice computer user to access and use freely available Instant Messaging programs, the security risks to all networks and need for public education increase dramatically. Without the awareness of the public as well as IT Managers, and the implementation of strict policies in regards to these programs, everyone is vulnerable. This paper discusses specific technical details and security risks of the four most popular Instant Messaging clients as well as several peer-to-peer file sharing programs. It then examines specific threats that are present for both these types of programs. Last but not least, it provides steps to ensure network security, and discusses the added vulnerability of not having policies in place.