Trying to access CNSS (Committee on National Security Systems) web site to read about commercial solutions to protect national security systems (fun reading, i know)...
Article on IoT from Propublica: "How much does your smart home know about you? That was the question that
Charles Givre, a data scientist at Booz Allen Hamilton, set out to
answer in a recent experiment."
Reads like a horror story, but there is more ‘meat’ if you read past first few paragraphs.