Analytic 1902

Real-time monitoring identifies execution of network enumeration commands (netstat, arp -a, Get-NetTCPConnection) on an Industrial Control System (ICS) host from an account not associated with documented network administration, where multiple such commands execute in sequence within a short window. 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. Prezentare generală

1.1 Referințe

1.2 Cerințe identificate

1.3 Reglementări asociate

2. Cerințe identificate

3. Reglementări asociate

Tichete legate

• MITREATTACK -

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