MQTT broker access control mechanisms enable independent governance. You can define which clients publish to specific namespace topics and which can subscribe. #highbyte_iiot Note: Video generated by AI.
Industrial AI operates in four autonomy tiers. Tier one monitors and displays data, requiring proof the data picture is accurate. Tier three executes with human signoff and requires circuit breakers, full audit trails, explainability, and bounded blast radius. Tier four autonomous action requires every action to be reversible.
When no accountable human authorization event exists in the audit log, auditors cannot identify who approved the action. IEC 62443-2-3 and NIST SP 800-82 require documented proof. Partner content with @OPSWAT. #opswat_ics