This report provides a comprehensive analysis of IT security, addressing various aspects of risk assessment, threat identification, and mitigation strategies. The report begins by assessing IT security risks, including computer viruses, adware, spyware, and denial-of-service attacks, and then explores relevant security legislation and methods to address these risks. It also covers the implementation of security frameworks and policies, emphasizing the importance of trusted networks and the use of technologies like VPNs, DMZs, and firewalls. The report then delves into specific network technologies like DMZ, static IP, and NAT, explaining their roles in enhancing security. Furthermore, it examines mechanisms to control organizational IT security, including characterizing systems, identifying threats, determining inherent risks, and analyzing control environments. The report also discusses the significance of data protection regulations and ISO risk management in strengthening security measures. Finally, the report offers practical advice on implementing security audits and policies. This report is a valuable resource for students learning about IT security.