Ubuntu-Security-Hardening-Script

The Ubuntu Security Hardening Script automates the hardening of Ubuntu servers across various subsystems, including SSH, kernel settings, and firewall configurations, ensuring compliance with CIS benchmarks. It features comprehensive safety checks, automatic backups, and detailed reporting, while supporting the latest Ubuntu versions and incorporating advanced security mechanisms such as post-quantum SSH. The tool is designed for repeatability, preserving custom configurations on re-runs, making it suitable for production environments.