1. Lab Kaspersky. What is Cyber-Security? [Online]. Available: https://www.kaspersky.com/resource-center/definitions/what-is-cyber-security [Accessed 26 2018].
2. Italian Cyber Security Report 2015 - Un Framework Nazionale Per la Cyber Security;Baldoni,2016
3. The cybersecurity Imperative Pulse Report, Managing cyber risks in a world of rapid digital change,2019
4. Framework for improving critical infrastructure cybersecurity;Barrett,2018
5. Metrics for operational security control, SANS institute, information security reading room, white paper;Cambra,2004