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

System Name:

Asset Category:

CAT II CAT III

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

MFA Required: Yes No

Method:

Session Timeout: Minutes

Password Rotation: Quarterly After Service

Document Created By:

Signature & Date

Approved for CSMS:

Cyber Security Officer Signature

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