Analytic 1897

Real-time monitoring identifies a service control command targeting a critical Industrial Control System (ICS) services such as Open Platform Communications (OPC) server, historian, Supervisory Control and Data Acquisition (SCADA) polling from an account not in the authorized service administration role, without a preceding change-control ticket, immediately followed by the service transitioning to Stopped state. 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

• MITREATTACK -

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