This presentation provides the context for increased security requirements, from customer requirements to government regulations. There is a discussion of the difference between IT and OT systems, and NIST 800-82 (https://csrc.nist.gov/pubs/sp/800/82/r3/final) which provides guidance to balance the specific needs of OT systems.
https://www.youtube.com/watch?v=67aL3C9EllU
This was presented at the Test System Security Summit in June 2024. For more information on NI's security practices, contact security@ni.com.