---
author: "Umesh Malik"
canonical: "https://umesh-malik.com/blog/tag/bot-defense"
description: "Explore articles tagged with Bot Defense by Umesh Malik — AI Engineer, LLM & GenAI Developer. Learn Bot Defense best practices, practical tips, and in-depth guides."
title: "Umesh Malik's Blog - Bot Defense Articles | Bot Defense Tutorials"
tokens: 163
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# Bot Defense

1 article

 [![Dashboard-style cover showing a proof-of-work challenge gating scraper traffic, with 14 of 90 CPU cores consumed by bots rendering git commits](https://umesh-malik.com/blog/stop-ai-scrapers-overloading-your-server-cover.png)

AI Security • Sep 8, 2026

### How to Stop AI Scrapers Overloading Your Server: the 20% CPU Toll

How to stop AI scrapers overloading your server: git.kernel.org now loses 14-16 of its 90 CPU cores to bots, and proof-of-work only bought a few months.

9 min read

Read more →](https://umesh-malik.com/blog/stop-ai-scrapers-overloading-your-server)