The-Art-of-Hacking/h4cker
This repository is maintained by Omar Santos (@santosomar) and includes thousands of resources related to ethical hacking, bug bounties, digital forensics and incident response (DFIR), AI security, vulnerability research, exploit development, reverse engineering, and more. 🔥 Also check: https://hackertraining.org
What it does
This is a massive, freely available library of cybersecurity learning materials, tools, and guides covering topics like ethical hacking (legally testing systems for weaknesses), digital investigation techniques, and AI-related security risks, all curated by a well-known security expert. Think of it as a comprehensive textbook and toolkit rolled into one, used by security professionals to learn how attackers think so they can better defend against them.
Why it matters for PMs
With over 25,000 people starring this repository, it signals enormous market demand for cybersecurity education and tooling — a space growing rapidly as AI introduces new attack surfaces and data breach costs continue to rise. For PMs and founders, this highlights a real opportunity in security training products, vulnerability management tools, or AI safety features, and serves as a benchmark for what security-conscious users and teams actually need.
Early stage — limited signal data
Score updated Feb 18, 2026
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