Linux Hardening Secure Linux servers following CIS benchmarks and security best practices. When to Use This Skill Use this skill when: - Hardening production servers - Meeting compliance requirements - Implementing security baselines - Configuring secure SSH access SSH Hardening User Security Firewall Configuration Kernel Hardening File Permissions Audit Configuration Best Practices - Disable unused services - Keep system updated - Use fail2ban for intrusion prevention - Enable SELinux/AppArmor - Regular security audits - Monitor log files - Implement least privilege Related Skills - cis-benc…