New guidance outlines eight core principles for designing, reviewing, and securing connectivity to and within OT systems. These principles, developed from the NCSC’s experience and industry engagement, aim to help organizations reduce attack surfaces and improve incident response. The guidance encourages OT owners, operators, integrators, and vendors to implement these principles for stronger connectivity design.
https://www.ncsc.gov.uk/blog-post/designing-safer-links-secure-connectivity-for-ot