12 funciones Bash del dominio cybersecurity: auditoria de red y servicios
(analyze_dns, audit_http_headers, inspect_ssl_cert, list_active_connections,
enumerate_subdomains, geolocate_ip), auditoria de sistema (audit_ssh_config,
check_firewall, detect_suspicious_users), y utilidades crypto (encrypt_file,
generate_password, verify_file_hash). Dominio nuevo en bash/functions/.
