Cybersecurity is the study of how computer networks, devices, and applications can be protected from attack, damage, or unauthorized access (Mirriam-Webster, 2017), (TechTarget, 2016).
Mirriam-Webster. (2017). Cybersecurity | Definition of Cybersecurity by Merriam-Webster. Retrieved from https://www.merriam-webster.com/dictionary/cybersecurity
TechTarget. (2016, November). What is cybersecurity? – Definition from WhatIs.com. Retrieved from http://whatis.techtarget.com/definition/cybersecurity