Proof three or more instant messaging applications like ICQ, AIM, Skype, if they use an insecure protocol. You will need a sniffer. Then do the following:
1.If you need to install an IM program,e.g.,download AIM from www.aim.com.
2.Run the Installer program.
3.Generate a username and password, and then log in.
4.Start the sniffer program, and then set it to capture all traffic.
5.Start a chat session with a partner in the class.
6.Analyze if the connection is encrypted or not (i.e., can yousee the cleartext?).