Modern Industrial Control System Firewalls

Do you have a perimeter firewall connecting your business to the public internet? With the Industrial Internet of Things (IIoT) and digital transformation efforts, the number of devices below firewalls connected to the internet is increasing at an alarming pace. The frightening fact is that this device count increase doesn’t include systems with vulnerabilities that affect standard computer operating systems running Industrial Control Systems (ICS) software products on our ICS networks. Multiple steps can be taken to help secure your ICS environment, including utilizing hardware, software and your internal ICS network policies. Understanding your firewall options will help you make the right decision for your networks ICS Firewalls ICS firewalls, and firewalls in general, are not a new concept. In fact, you’ll probably see the same technology being used between your internal network and the public internet today. The firewall’s purpose is to keep malicious traffic outside your environment and keep your highly secured data and workflow process information inside. This is where ICS firewalls come into play.