Operational technology (OT) networks – whether in the energy, water or manufacturing sector – are becoming increasingly complex and integrated. Firewalls are often the only means of protection. While these usually reliably detect known malware, they are blind to new types of attack patterns and professional attacks that tend to run over months or years. No firewall can cope with the 320,000 new malware variants that appear on the scene every day, according to the German Federal Office for Information Security (BSI). At the same time, there is a lack of both skilled personnel for Operational Technology (OT) cybersecurity and a reliable security design of OT components.

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