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itsa 2025 30 itsa Magazine 2025 www markttechnik de Security is based on visibility “Holistic network monitoring is crucial” Visibility must be at the heart of effective IT OT security strategies meaning that companies must be able to continuously record and evaluate all network connections and events Daniel Sukowski Global Business Development Manager at Paessler describes the importance of network monitoring and his company‘s solution itsa Magazine What products and solutions is Paessler presenting at itsa 2025? Daniel Sukowski In Nurenberg we are presenting our ‘Paessler PRTG’ solution The tool enables comprehensive monitoring of networks in both IT and OT environments With Paessler PRTG companies can centrally monitor their entire infrastructure from classic IT systems to industrial control systems and IoT devices In addition to technical status information it also provides contextrelated data and proactively and continuously scans the network environment in realtime This enables administrators and OT managers to identify anomalies and problems at an early stage Targeted countermeasures can then be initiated in good time to remedy the situation and avoid system failures Support for common industrial protocols such as OPC UA and Modbus also allows OT environments to be integrated transparently Where does Paessler see the current trends in IT OT cybersecurity? The industrial world is constantly changing Increasing demands due to the growing digitalisation of processes and new security regulations such as the EU Cyber Resilience Act or NIS-2 are putting companies under increasing pressure to act In OT environments increasing connectivity is also creating further challenges more and more machines systems and processes are connected to each other Production facilities are no longer selfcontained systems as they used to be but are networked with IT and often also with cloud services While this networking between IT and OT offers numerous advantages it also increases the attack surface for cyber threats Vulnerabilities in IT can also spread to OT and vice versa In times of increasing digitalisation and networking it is therefore more important than ever to have full visibility across the entire network environment Only by combining both worlds in a unified security and visibility strategy can companies detect at an early stage when an attack or misconfiguration begins to spread across their network How can companies remedy this situation? Many companies and businesses lack visibility especially across their IT and OT environment Some of the problems we frequently observe include the use of many different tools or a large number of blind spots However effective protection requires endtoend transparency Companies must be able to continuously record and evaluate all network connections and events With holistic network monitoring companies benefit from a complete view of their entire system Monitoring should be a central component of any cybersecurity strategy because without monitoring it is impossible to identify risks or respond appropriately This is especially true in OT where attacks often do not look like typical IT incidents PRTG provides comprehensive visibility not only in IT but also in sensitive OT environments from the server room to the production line without disrupting ongoing operations Companies need to know what is happening in their network and their IT and OT environments at all times In light of this challenge PRTG supports IT managers network engineers and process control automation engineers in monitoring all relevant systems processes sensors gateways and communication paths in real time With proactive realtime scans anomalies such as unusual data traffic unauthorised devices or sudden and unusual spikes in data volume are immediately detected and reported by the system This allows risks to be identified in good time and often neutralised before they impact production processes What does a specific user case for Paessler PRTG look like in an IT OT environment? PRTG is a suitable solution for monitoring IT and OT networks in a variety of industries The platform also helps to implement monitoring quickly and above all securely In view of the challenges described above many industries are under pressure from increasing digitalisation and networking – including mechanical engineering companies They not only have to build machines but also ensure their lifecycle and guarantee updates – all in compliance with regulations of course Bosch Rexroth for example provides its customers and partners with the ctrlX OS industrial operating system Daniel Sukowski Paessler „ Whether IT or OT security begins with transparency and transparency begins with monitoring “