Analytic 2144

Real-time monitoring identifies Secure Shell (SSH) sessions with X11 forwarding or Virtual Network Computing (VNC) connections to Industrial Control System (ICS) Linux hosts from unexpected source Internet Protocol (IP) addresses, combined with X11 application launches from the session. 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. Επισκόπηση

1.1 Παραπομπές

1.2 Εντοπισμένες απαιτήσεις

1.3 Σχετικοί κανονισμοί

2. Εντοπισμένες απαιτήσεις

3. Σχετικοί κανονισμοί

Συνδεδεμένα ζητήματα

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