Analytic 1912

Periodic or event-triggered integrity verification identifies a discrepancy between a field device's self-reported diagnostic state and an independently verified hardware/firmware fingerprint, indicating the device's reporting layer has been compromised. MITRE explicitly notes firmware/module rootkits 'can also be developed for the Input/Output (I/O) that is attached to an asset.'. OT operational-fidelity gate: Alert only when execution violates an approved signer/hash/path/parent/process or tool allowlist, or originates from an unauthorized user/tool, and is tied to an OT asset or follow-on OT-relevant action. Suppress vendor-signed software, approved engineering utilities, diagnostics, patching, backup, and documented maintenance. Monitoring reality: this is an integrity/posture analytic, not a universal streaming field-device event; collection cadence depends on the vendor integrity interface, asset-management system, or acquisition workflow.

1. Panoramica

1.1 Riferimenti

1.2 Requisiti identificati

1.3 Regolamentazioni correlate

2. Requisiti identificati

3. Regolamentazioni correlate

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