Drupal runs more than 1.3 million websites worldwide, including government portals, banks, and Fortune 500 brands. That kind of trust doesn’t happen by accident. It’s the result of a mature website security model tested in the wild for years.
In this guide, you’ll learn the five security pillars that make Drupal resilient, how they work under the hood (APIs, headers, tokens, roles), and the habits teams use to keep sites hardened over time.