# h4cker

> Curated cybersecurity repository covering ethical hacking, defense, AI security, and labs

Maintained by Omar Santos, h4cker is a comprehensive collection of cybersecurity reference materials, scripts, tools, and training labs. It organizes thousands of resources into distinct domains, including penetration testing, cloud security, exploit development, AI security, and certification prep. It acts as an open-source hub and roadmap for hands-on learning across offensive and defensive security.

Website: https://github.com/The-Art-of-Hacking/h4cker

## What it is for

- Study structured roadmaps and cheat sheets for ethical hacking certifications
- Set up custom cybersecurity practice labs and vulnerable testing environments
- Learn offensive security techniques, reverse engineering, and exploit development
- Explore reference materials for AI security and prompt injection defenses

## Features

- Structured taxonomy across offensive, defensive, cloud, container, and app security
- Dedicated AI security section covering LLM engineering and AI-assisted incident response
- Guides and instructions to build your own local cybersecurity lab environments
- Certification preparation resources for CompTIA, Cisco, Kubernetes, and offensive security exams
- Curated tool indexes, cheat sheets, and learning materials

## Pricing

Open source. Free and open source (MIT license)

## Details

- Type: GitHub repo
- Category: [Learning](https://xiry.app/topics/learning.md)
- Open source: yes
- Platforms: Web
- For: Ethical hackers, penetration testers, cybersecurity students, and security analysts
- Alternative to: PayloadsAllTheThings, SecLists
- Tags: cybersecurity, ethical hacking, penetration testing, infosec, ai security, cheat sheets

## Why it was saved

- [@insecrez, 24 July 2024](https://www.instagram.com/reel/C9yzPqVywfi/): Serves as an all-in-one free roadmap and resource hub for anyone wanting to learn offensive cybersecurity hands-on.

## Related

- [Hacksplaining](https://xiry.app/resources/hacksplaining): Interactive, bite-sized lessons teaching developers how to exploit and fix vulnerabilities. (Website, Freemium)

Updated 3 October 2026. Page: https://xiry.app/resources/h4cker

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