Tag: OT Security

1. Introduction OT and ICS security has become one of the strategic priorities of industrial cybersecurity. While confidentiality dominates the CIA triad in IT, availability and integrity are absolute in OT environments: a failing PLC can stop a production line, cut the power supply or compromise people’s physical safety. In this article we explore how to protect these critical systems with a practical methodology based on standards such as IEC 62443. The IT/OT convergence, driven by Industry 4.0, has exposed industrial plants to the same threats as corporate networks: ransomware, APTs and insecure remote access. OT and ICS security is …