Magento 2 Security Hardening: A Production Checklist for 2026

Magento stores are high-value targets. They process payments, store customer data, and often run on shared infrastructure. A compromised store means payment card theft, data breaches, and regulatory fines. This checklist covers the most impactful security hardening steps for a production Magento 2 store. 1. Change the admin URL The default admin URL /admin is targeted by automated scanners within hours of a store going live. Change it to something non-obvious: bin/magento setup:config:set --back