OT Cybersecurity teams have been working within the Purdue Enterprise Reference Architecture since it was created in the mid-1990s. Although not developed as a security model, by mapping the interconnections and interdependencies of the high-level components of typical industrial control systems (ICS), the Purdue reference architecture has provided important guidance for how to defend OT systems. The adoption of numerous IT systems into OT environments, however, has raised questions about the continued relevance of the ICS Purdue model.
*** This is a Security Bloggers Network syndicated blog from The Mission Secure Blog authored by Mission Secure. Read the original post at: https://www.missionsecure.com/blog/purdue-model-relevance-in-industrial-internet-of-things-iiot-cloud