SterJo NetStalker is an innovative security software able to detect all
authorized and unauthorized connections to your computer and send you an
alert for each new connection. If you have ever wondered which programs have
access to the Internet and if you have permitted that action, this program
has the answers. It serves as an entry point into your computer and instantly
informs you about all the processes able to establish a connection with an
external network. (in System Utilities)