Analytic 2184

Real-time monitoring identifies Simple Network Management Protocol (SNMP) walk requests, Cisco Discovery Protocol (CDP)/Link Layer Discovery Protocol (LLDP) enumeration frames, or Internet Control Message Protocol (ICMP)-based traceroute sequences from an Industrial Control System (ICS) host that has not previously generated management-protocol traffic. 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. Ħarsa ġenerali

1.1 Referenzi

1.2 Rekwiżiti identifikati

1.3 Regolamenti relatati

2. Rekwiżiti identifikati

3. Regolamenti relatati

Kwistjonijiet marbuta

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