Open reference assessment of the Eclipse Mosquitto MQTT broker against IEC 62443-4-2 (SL-T 2) and the EU Cyber Resilience Act, with a hardened reference configuration and 51 documented verification test cases. German documents, reusable as a template. Independent and unsolicited.
mqtt mosquitto ics-security cra sbom security-assessment nis2 ot-security iec62443 cyber-resilience-act complianc
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Updated
Aug 22, 2026 - Shell