Network firewall security is a major issue for a lot of companies. The basic idea is to establish a wall of security around the vital systems. However, this can be undone unless most users are given a basic course in helping the security out. This means that how to create better passwords, how to use security, and how to avoid phishing and other scams.
It is also advised that secondary and tertiary systems also be looked at occasionally. With the sheer number of interlinked systems, it is possible for a heater or even a refrigerator with smart technology to become a security risk; as such checking them every so often and changing any passwords may not be a bad idea.
With some basic precautions, the firewalls can be even better, making them a great way to keep your secure from any threat.