Hi @LTS_Tom
Research into IOT security, by Charles Parton (former British diplomat), info about him here: https://rusi.org/people/parton-obe
I heard it on BBC radio this morning, thought you might be interested that your concerns are being validated (mp3 of audio): https://www.bikerchris.co.uk/downloads/iot-devices-concern-from-professor-uk.mp3