Analytic 2212

Real-time monitoring identifies a control/command message arriving at a field device from a source not in the approved control server list, where the command targets safety-critical output points and does not correspond to any scheduled or operator-acknowledged process action. Documented precedent: Industroyer2 connected directly to specific International Electrotechnical Commission (IEC)-104 RTUs and toggled hardcoded Information Object Addresses (IOAs) to OFF using command type 46, targeting circuit breaker outputs. OT operational-fidelity gate: Alert only when the action is not attributable to an authorized operator/engineering source for the specific target and function, and it is either outside an approved change/maintenance window or lacks matching change-control context; where telemetry permits, require corroborating device, configuration, or process-state effect. Suppress activity that fully matches approved maintenance, commissioning, failover, recovery, or tested control procedures.

1. Pārskats

1.1 Atsauces

1.2 Identificētās prasības

1.3 Saistītie tiesību akti

2. Identificētās prasības

3. Saistītie tiesību akti

Saistītie uzdevumi

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