TYPO3 Security Hardening

Compatibility: TYPO3 v13.x and v14.x (v14 preferred) All security configurations in this skill work on both v13 and v14.

1. Critical Configuration Settings

config/system/settings.php (v13/v14 Compatible)

<?php
return [
    'BE' => [
        // Disable debug in production
        'debug' => false,