A simple Skype exploit can reveal IP addresses -- remote and local -- of any user.
A blog post by skype-open-source runs through the process of obtaining a user's IP address. Essentially, all a person has to do is start the process of adding a contact with a specific user name. Instead of sending a contact confirmation, the person can click on the information card to obtain the IP address of that particular user.
The process only works if the other user is online. The only method of protecting against this is to log off of Skype when you'… Read more