Mitigation measures
https://www.bleepingcomputer.com/news/security/nsa-shares-guidance-to-help-secure-ot-ics-critical-infrastructure/
The National Security Agency (NSA) and CISA have issued guidance on how to secure operational technology (OT) and industrial control systems (ICSs) part of U.S. critical infrastructure.
The joint advisory shares info on all the steps used by malicious actors to compromise IT-enabled OT and ICS assets which provide a larger attack surface and highlights measures security professionals can take to defend against them.