How secure is the connection between the RANGER and SignalFire Cloud?

How secure is the connection between the RANGER and SignalFire Cloud?

The RANGER supports TLS 1.2 with full validation to ensure a secure connection between the RANGER and the MQTT broker. Customers using their own MQTT broker have the option to load their own TLS certificates into the RANGER in addition to the factory certificates which are used to connect to the SignalFire Cloud