The research paper “IoT Goes Nuclear: Creating a ZigBee Chain Reaction” by Ronen, O’Flynn, Shamir, and Weingarten garnered moderate media attention (here, here, here, etc) in early November, 2016. As I have worked extensively in ZigBee offensive and defensive security, but never specifically on the ZigBee Light Link (ZLL) profile, I was interested to dig-in and see what the main techniques and issues were, and what lessons other device manufacturers should take away from this disclosure.