Building APIs with Express.js is fast and enjoyable, but security is often treated as something to handle later. Unfortunately, small security mistakes can expose applications to attacks, data leaks, and service disruptions.
In this article, we'll look at 10 common security mistakes developers make when building Express APIs and how to fix them.
1. Not Using Security Headers
By default, Express does not add many security-related HTTP headers.
Without proper headers, applications may be vulnerable to attacks such as clickjacking and MIME-type sniffing.
