Analytic 2181

Real-time monitoring identifies a host generating rapid, sequential Transmission Control Protocol (TCP) connection attempts across multiple destination ports on Industrial Control System (ICS) device Internet Protocol (IP) addresses, targeting ICS-specific protocol ports, from a source not in the approved control server inventory. 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. Przegląd

1.1 Odwołania

1.2 Zidentyfikowane wymagania

1.3 Powiązane regulacje

2. Zidentyfikowane wymagania

3. Powiązane regulacje

Powiązane zgłoszenia

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