This was one someone once recommended to me regarding cyber-security of ICS systems. https://www.amazon.com/Cybersecurity-Industrial-Control-Systems-SCADA/dp/1

This was one someone once recommended to me regarding cyber-security of ICS systems. https://www.amazon.com/Cybersecurity-Industrial-Control-Systems-SCADA/dp/1439801967 https://www.amazon.com/Cybersecurity-Industrial-Control-Syst... If you are looking at building them that is something else.