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This book teaches you how to build secure, scalable web crawlers from the ground up and how to defend web services against malicious bots. It covers crawler architecture, network protocols, distributed systems design, data handling, ethical compliance, observability, and performance optimization on the offensive side. On the defensive side it covers bot detection signals, TLS and HTTP fingerprinting, behavioral analysis, WAF configuration, CDN-level protection, challenge systems, machine learning approaches, and incident response. Every chapter includes production-quality code examples, architecture walkthroughs, configuration samples, and realistic case studies aimed at software engineers, security engineers, DevOps professionals, and system architects who need practical, implementation-ready knowledge.

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Kick off your book project, get started with GhostAI, get better at marketing, or spend the day doing all three! Free live workshops on Zoom. Saturday, June 27, 2026.

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