Analytic 2193

Real-time monitoring identifies authentication attempts against Industrial Control System (ICS) network device management interfaces using well-known default vendor credentials from source Internet Protocol (IP) addresses not in the approved Network Management System (NMS) Classless Inter-Domain Routing (CIDR) subnet range. OT operational-fidelity gate: Alert only when the account/device/session violates the approved identity + source host/jump path/zone policy and is corroborated by access to a protected OT asset, execution, configuration change, or another security-relevant follow-on event. Suppress approved shift activity, vendor support, break-glass use, commissioning, and documented remote-access windows.

1. Panoramica

1.1 Riferimenti

1.2 Requisiti identificati

1.3 Regolamentazioni correlate

2. Requisiti identificati

3. Regolamentazioni correlate

Ticket collegati

• MITREATTACK -

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