This is the first article in a two-part series where we show how to build your own anti-bot system to protect a login endpoint, without relying on third-party services.

Why write this?

Many bot detection solutions, reCAPTCHA, Turnstile, or vendor-maintained scripts, are designed for easy integration but come with tradeoffs.

The post Roll your own bot detection: fingerprinting/JavaScript (part 1) appeared first on Security Boulevard.

Antoine Vastel

Source: Security Boulevard
Source Link: https://securityboulevard.com/2025/10/roll-your-own-bot-detection-fingerprinting-javascript-part-1/