With a huge range of features included out-of-the-box and over 13 000+ additional extensions available to download
Sapphire FREE - Opencart Security Module
FREE
Simple Login Security
[VQMOD] SecureMyAdmin
Awesome Fireworks Effects
HTTP Flood/DoS Firewall.
Admin menu with images
Messor Security - IPS/WAF anti DDOS/bot and more
Cloudflare CDN for Opencart
Two Factor Authentication for customers + admin