olemus
tööstusprotsesse toetav personal ja tehnoloogia:
riistvara, tarkvara, personal ja ta tegevus, mis
avastab või põhjustab muudatuse tööstusprotsessis
seadmete, protsesside ja sündmuste otsese
seire ja/või juhtimise teel

NIST SP 800-37 Rev. 2:
Programmable systems or devices that interact with the physical environment (or manage devices that interact with the physical environment). These systems/devices detect or cause a direct change through the monitoring and/or control of devices, processes, and events. Examples include industrial control systems, building management systems, fire control systems, and physical access control mechanisms.

ülevaateid
https://en.wikipedia.org/wiki/Operational_technology

https://simplicable.com/new/operational-technology

https://www.tenable.com/principles/operational-technology-principles

https://www.i-scoop.eu/industry-4-0/operational-technology-ot/

turvalisus
https://www.checkpoint.com/downloads/products/top-10-cybersecurity-vulnerabilities-threat-for-critical-infrastructure-scada-ics.pdf

http://imt.com.mx/wp-content/uploads/2019/04/PonemonCybersecurityinOTReport.pdf

https://ro.ecu.edu.au/cgi/viewcontent.cgi?referer=https://www.google.ee/&httpsredir=1&article=1217&context=ism

https://www.tandfonline.com/doi/full/10.1080/23742917.2016.1252211

https://www.us-cert.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf

http://www.kbintelligence.com/Medias/PDF/ISA_Doha_hauet.pdf