Cyber security refers to the body of technologies, processes, and practices designed to protect networks, devices, programs, and data from attack, damage, or unauthorized access. Cyber Security study programs teach you how to protect computer operating systems, networks, and data from Cyber attacks. You’ll learn how to monitor systems and mitigate threats when they happen. Cybersecurity professionals are vital in today’s business world. They help develop new ways to combat cyber threats, and are the main line of defense against spamming, phishing, malware, viruses and other information security threats.