Industrial security (ICS Security) was arguably much simpler before the web. Firewalls and demilitarized zones (DMZs) separating the corporate and plant networks either didn’t exist or weren’t necessary. After all, organizations were primarily concerned with physically protecting their systems behind gates, fences and other barriers. For that reason, vendors designed control systems chiefly with automation and reliability in mind; all communications technologies were proprietary and lacked compatibility with Ethernet and TCP/IP. But then the Internet came. And with it, the threat of connectivity-enabled attacks that don’t require physical access to plants or the systems contained therein. So, you can check out some of the best ics cyber security which can help you.