In case you missed it, an article in EE Times called “Designer’s Guide to IIoT Security” features some very useful information on endpoint device requirements for enabling product security at a lower level. It also includes some great input from Rich Carpenter, general manager, product management, machine automation solutions. This article was written before the GE acquisition by Emerson and Rich joining the company, but the data still applies.
To read Rich’s comments on root of trust and other aspects of security, check out this article.