MQTT 3.1.1

Characterization and Evaluation of IoT Protocols for Data Exfiltration
We review the suitability of CoAP 1.0; MQTT 3.1.1 and 5.0; and AMQP 1.0 protocols for exfiltrating data. For each protocol, we review its specification and calculate the overhead and available space to exfiltrate data in each protocol message
Daniel Uroz, Ricardo J. Rodríguez
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