Having confidential information on your computer requires the best security. Some of the programs on your computer may send information to others, which you definitely do not want.
If you are concerned about the security of your network and want to make sure you have the right computer protection, there is a special program. One of the solutions to protect your computer is called SterJo NetStalker. It's network monitoring software - not a firewall, but it does the same thing.
SterJo NetStalker is security software designed specifically to protect your computer. It will detect all connections to your computer, both authorized and unauthorized. The free app will notify you of any new connections.
It's a kind of free firewall. Not a classic firewall as we know it, but a monitoring software that will display details of all the connections made to your computer.
The analysis of all open doors in your system will be done in less than a second.
SterJo NetStalker will also analyze all the current processes on your computer, which is especially useful when something seems suspicious to you.
Instructions and more information at official page.