In industrial and regulated environments, cybersecurity is no longer optional. Whether you operate bridges, ship locks, energy systems, manufacturing lines, or laboratory automation, you are expected to demonstrate structured risk management and resilience. Three names… IEC 62443, NIS2 and ISO 27001: How These Cybersecurity Frameworks Differ and Where They Overlap
In every security architecture diagram you will see firewalls, IDS systems, endpoint protection, network segmentation, encryption, and monitoring layers. But there is one control that does not sit in a rack. It does not run… The Human Firewall: An Essential Layer in Cyber Defense
Operational Technology environments are no longer air gapped. SCADA systems, PLC networks, historian platforms, and industrial gateways increasingly communicate over routed IP networks. In this context, OPC UA has become the de facto secure communication… AES 256 and SHA 256 in OPC UA Communications
In complex automation systems, problems rarely announce themselves clearly. A value arrives too late. A subscription behaves differently than expected. A client reconnects more often than it should. At that point logs are often not… Wireshark as a microscope for OPC UA communication