The US Department of Homeland Security (DHS) introduced a set of strategic principles for securing the IoT in 2016. These principles were simply meant as guidance to help drive the community towards more secure IoT implementations. You can read the principles at https://www.dhs.gov/sites/default/files/publications/Strategic_Principles_for_Securing_the_Internet_of_Things-2016-1115-FINAL....pdf.
The principles cover incorporating security at the design phase, advanced security updates and vulnerability management, building on proven security practices, prioritizing security measures according to impact, promoting transparency, and connecting carefully and deliberately.
Use these principles to inform your ...