This report examines system security management, emphasizing the importance of cybersecurity in protecting IT assets, data, and customer information. It highlights the use of various security systems, including identification and authorization methods, authentication, firewalls, and international standards like ISO 27001. The report discusses the role of Windows ACLs, information systems, and the need for regular updates and vulnerability management. It also addresses the impact of cloud computing, IoT devices, and data breaches, emphasizing the significance of security policies, risk assessment, and employee training. The report concludes by advocating for the implementation of comprehensive security measures, including VPNs, DMZs, and IT service management systems, to safeguard data and information within organizations. It also highlights the importance of employee education and the use of antivirus and firewalls.