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Tiered RBAC Matrix

Reference: IACS UR E27 §4.1 (Access Control Selection)

Doc ID: TAG-OT-REG-02
Issue Date: Feb 2026
Rev: 1.0

1. ASSET IDENTIFICATION

System Name: Asset Category:  

2. PERMISSION MAPPING

Define the specific capabilities for each user role on this system.

Function / Capability Operator Engineer Admin / OEM
View Alarms & Telemetry
Acknowledge Alarms
Change Setpoints / Limits
Modify Control Logic / PLC
Network Config / Firmware

3. AUTHENTICATION REQUIREMENTS

MFA Required:
Method:
Session Timeout: Minutes
Password Rotation:

Document Created By:

Signature & Date

Approved for CSMS:

Cyber Security Officer Signature

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