{"id":32468,"date":"2023-10-19T09:57:00","date_gmt":"2023-10-19T07:57:00","guid":{"rendered":"https:\/\/fhi.nl\/nieuws\/datadiodes-zijn-de-sleutel-tussen-it-en-ot\/"},"modified":"2024-12-04T13:52:45","modified_gmt":"2024-12-04T12:52:45","slug":"datadiodes-zijn-de-sleutel-tussen-it-en-ot","status":"publish","type":"news","link":"https:\/\/fhi.nl\/en\/news\/datadiodes-zijn-de-sleutel-tussen-it-en-ot\/","title":{"rendered":"Data diodes are the key between IT and OT"},"content":{"rendered":"
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\n\t\t\t\t\tData diodes are the key between IT and OT\t\t\t\t<\/h1>\n\n\t\t\t\t
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Data diodes are the key between IT and OT<\/h3>\r\n

\u201cTomorrow will be a lot safer than today.\u201d With this, Maurice Snoeren starts his keynote at the Industrial Cyber Security Event of FHI. One of the OT security officers<\/em> from RWE Generation tells us everything about linking information technology (IT) and operational technology (OT). Because is such a link safe? And how do you do that? We take you into his story.\u00a0<\/p>\r\n

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\u201cMaurice's lecture had depth. We heard a lot of new information that we can incorporate into our own processes.\u201d \u2013 Visitors\u00a0<\/p>\r\n<\/blockquote>\r\n

Not a perfect match\u00a0<\/h3>\r\n

IT and OT: according to Maurice, they are two separate domains. \u201cOne of my nightmares is that we think these two belong together,\u201d he says. Cybersecurity has always been taken into account when developing IT: patching and updating ensure that security is quickly restored. That's a different story with OT. The machines are often twenty years old. At the time, cybersecurity was not yet considered \u2013 now a vulnerable part of business processes.\u00a0\u00a0<\/p>\r\n

An attack is lurking\u00a0<\/h3>\r\n

Maurice explains the risks for both domains: \u201cIf we look at an IT system, we can write down more than four hundred attack factors. This concerns human factors, vulnerabilities and physical access. There are fewer than ten attack factors that can be identified for OT.\u201d That's not too bad, you would think. But nothing is less true. \u201cNowadays companies link the systems together. I don't want to scare you, but if you do this linking incorrectly, there are as many as four thousand attack factors possible on the industrial network.\u201d\u00a0<\/p>\r\n\r\n\r\n\r\n
Visitors hang on his every word and ask plenty of questions. \u00a0<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n

Data diodes are essential<\/h3>\r\n

Maurice explains in detail how to install an interface between IT and OT, a so-called data diode. This means that information flows from A to B, but not from B to A. This makes it possible to supply data to external parties; this doesn't work the other way around. \u201cThe interesting thing is that the data diode can also be used the other way around, for example to receive controlled information to the OT. Because the data diode achieves network isolation, it prevents an attacker from moving through the network to the OT domain.\u201d The audience is impressed and takes many photos of the slides. This clearly shows how the data diodes work. It is not a simple process, but it makes both domains safe and cannot be circumvented.\u00a0<\/p>\r\n

Tomorrow will be safer than today\u00a0<\/h3>\r\n

\u201cIn my view, data diodes are necessary for the protection of our industrial processes,\u201d Maurice concludes his keynote. \u201cData diodes ensure that you can only send information in one direction. This means that the two domains are isolated at network level.\u201d The audience has been made to think, the wheels are turning. And so tomorrow we will be a bit safer than today.\u00a0<\/p>\r\n

\u00a0<\/p>\r\n

Also be inspired and informed during our events: view the agenda<\/a><\/strong>.<\/p>\r\n\r\n\r\n\r\n
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Industrial Cyber Security Event<\/strong>\u00a0<\/p>\r\n

In October 2023, FHI organized the Industrial Cyber Security Event. We inspired and informed about four hundred visitors about topics such as the NIS II, IEC 62443 and secure collaboration between IT and OT.\u00a0<\/p>\r\n<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n

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