Magazine | Issue 1 2023 for protection relays are not delayed. For example, it’s common for packages with suspected malicious code (e. g., email attachments) not to be delivered in office IT. This approach would be completely unacceptable in protection and process control technology. This and the use of incomparable protocols in OT networks make it difficult to adapt IDS solutions developed for office networks (IT). We strongly recommend using IDS solutions developed explicitly for OT networks and not implementing IT solutions in an OT network. OT and IT—Working Together to Achieve Success Some of the problems that occur when establishing IDSs arise because the decision has been left to the IT department, which will often turn to systems from the office IT world because they’re familiar with them. However, these systems are then used in OT networks, and those responsible for them are forced to use systems that haven’t been tailored to their specific needs. This often leads to frustration, and we strongly suggest that the OT and IT departments work closely together from an early stage when selecting an IDS solution for control networks to ensure the optimal product is chosen—ideally well in advance of May 1, 2023. More on the topic How important is it to choose the right IDS, especially in light of the IT Security Act 2.0? Read part 1 of our article in the OMICRON Magazine (issue 02/2021) to find out: omicronenergy.com/it-security-act 25
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