Analytic 1906

Real-time monitoring identifies a single Industrial Control System (ICS) protocol session reading the complete Input/Output (I/O) image from a field device, rather than the sparse, fixed tag subset that legitimate Supervisory Control and Data Acquisition (SCADA) polling queries, from a source not in the approved control server list. OT operational-fidelity gate: Do not alert on novelty, scan/read volume, or enumeration alone. Alert when the source role is not authorized for discovery/polling and the target scope, address/tag range, protocol, or rate deviates from the established operational baseline. Suppress normal SCADA/HMI/historian polling, commissioning, asset inventory, backup, diagnostics, and approved engineering activity.

1. Overzicht

1.1 Referenties

1.2 Geïdentificeerde eisen

1.3 Gerelateerde regelingen

2. Geïdentificeerde eisen

3. Gerelateerde regelingen

Gekoppelde issues

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