A Comparative Analysis on Security of MQTT Brokers

In the era of rapid revolution of Internet of Things (IoT), the security of IoT devices as well as its application protocols has become significant. MQTT (MQ Telemetry Transport) is a light weight protocol used for communication between IoT devices. It is being extensively used in a low bandwidth environment (e.g. smart cities, home automation, etc.). There are multiple vendors for clients and brokers which are used for publishing/subscribing to...