Server security is a systematic process of protecting servers from unauthorized access, misuse, disruption, or data loss by applying technical, administrative, and operational controls. The first step in server security is secure planning and system hardening before deployment. Administrators must select a secure operating system version, remove unnecessary services and default applications, and apply baseline configurations that minimize vulnerabilities. Default usernames and passwords should be changed immediately, and only essential ports and services should remain active. Hardening also includes disabling guest accounts, restricting remote access, and configuring strong authentication methods such as multi-factor authentication to reduce the risk of unauthorized login attempts. The next step involves implementing strong access control and identity management. User accounts should follow the principle of least privilege, meaning each user receives only the permissions required to perform specific tasks. Role-based access control helps maintain organized and secure permission structures. Password policies must enforce complexity, regular updates, and lockout mechanisms after repeated failed attempts. Administrative access should be carefully monitored and limited to trusted personnel. Logging mechanisms should record user activities so that suspicious behavior can be detected quickly and accountability can be maintained. Regular patch management and software updates are essential for maintaining server security. Vulnerabilities in operating systems, applications, and firmware can be exploited by attackers if not updated promptly. Organizations must establish automated update procedures or scheduled maintenance windows to apply security patches without disrupting operations. Vulnerability scanning tools can identify outdated software or misconfigurations, allowing administrators to address potential risks before attackers exploit them. Testing updates in a controlled environment ensures compatibility and stability before deployment to production servers. Network security configuration is another crucial step in protecting servers. Firewalls must be properly configured to filter incoming and outgoing traffic based on predefined rules. Only necessary ports should remain open, and intrusion detection or