This course introduces detailed concepts of cybersecurity. It explains some major computer malware and cybersecurity attacks within the cyber world in recent years. The analysis and details of the major attacks and their impacts on the global economy and the malware codes that helped hackers initiate hacking attacks on networks are also covered. This course also introduces high-tech security programs, devices, and mechanisms adopted in modern security systems. This course gives informative examples of intrusion detection systems (IDS), intrusion prevention systems (IPS), and security firewalls. A general prevention mechanism from the cyberattacks using password management with modern technologies that help create and manage passwords more effectively is also covered.