I work for a Utility that has a very powerful and proprietary SCADA System that needs to be upgraded. We have hundreds of sites that are Standard PLC, PLC with non-standard communications and old Z-80 RTUs that we need to communicate with over Radio Polling. We have over 1000 Graphics...
We are creating a new Control Room. I'm told that we need physical security to conform to NIST TIER 4. All the information that I can find about Tier 4 only deals with Cyber-Security and not Physical Security. What standards are there that deal with SCADA Control Room Physical Security?