Chris Preimesberger has a story in eWEEK about a vendor using “Deception Security” in IoT:

Attivo Networks Claims First to Use Deception Security in IoT:
[…] The Deception Platform is designed to detect cyber attackers, regardless of whether the attack is a targeted, stolen credential, ransomware or insider threat. New-gen security provider Attivo Networks, which mimics a real IT system using a deception approach that lures bad actors in and then traps them, has expanded its reach to serve the budding IoT (Internet of things) market. […]

https://attivonetworks.com/attivo-networks-provides-first-deception-based-threat-detection-platform-internet-things-iot/
https://attivonetworks.com/attivo-networks-expands-deception-platform/
http://www.eweek.com/security/attivo-networks-claims-first-to-use-deception-security-in-iot.html