I would like to understand if secure pairing can be implemented in all (or none?) IoT RF standards.
For example: BLE provides Out-of-band possibility, which seems like only really secure option to me. But I have hard time finding information on security of WiFi, Z-Wave, ZigBee, XBee, LoRa, Ingenu, TI15.4 and other protocols during pairing.
Could you suggest some standards which support secure pairing "out of the box"?