1. [1] Appearing Techniques for Device Security by Moses S, John M, Adrian R. Chavez, and Benjamin A. Allan in December 2014.
2. [2] Current Cyber Security Challenges in ICS. Center for Secure and Dependable Systems University of Idaho, Moscow, ID, USA, Animesh Pattanayak, Matt k in 2018.
3. [3] Improving Cyber security for Industrial Control Systems. James G, Jeffrey , John N, True Secure SCADA, LLC, and J,B. Speed School Louisville, K Y 40292 USA.2016
4. [4] The Cyber security Landscape in Industrial Control System, Stephen M, Charalambos K, Ahmad-Reza S, Michail M, and Ramesh Karri. 2016.
5. [5] Hugh Boyes, Cyber Security Centre, Best Practices in an ICS Environment. 2017