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
🔒 A compiled checklist of 300+ tips for protecting digital security and privacy in 2026
This repository contains a 90-day cybersecurity study plan, along with resources and materials for learning various cybersecurity concepts and technologies. The plan is organized into daily tasks, covering topics such as Network+, Security+, Linux, Python, Traffic Analysis, Git, ELK, AWS, Azure, and Hacking. The repository also includes a `LEARN.md
A FREE comprehensive reverse engineering tutorial covering x86, x64, 32-bit/64-bit ARM, 8-bit AVR and 32-bit RISC-V architectures.
A collection of Linux Sysadmin Test Questions and Answers. Test your knowledge and skills in different fields with these Q/A.
Tools and Techniques for Red Team / Penetration Testing
A curated list of tools for incident response
:octocat: Machine Learning for Cyber Security
Building 70 Projects ranging from beginner to advanced so anyone can — learn from, build upon, use as a reference, or even copy directly. Owned by my cybersecurity company 👇
- ai
- certification
- cloud-engineering
- cyber
A collection of several hundred online tools for OSINT
- osint
- socmint
- geoint
- humint
An awesome list of awesome YouTubers that teach about technology. Tutorials about web development, computer science, machine learning, game development, cybersecurity, and more.
8 Lessons, Kick-start Your Cybersecurity Learning.
- appsec
- cia-triad
- data-protection
- data-security
Ultimate DevSecOps library
One place for all the default credentials to assist the Blue/Red teamers identifying devices with default password 🛡️
A curated list of GPT agents for cybersecurity
A collection of awesome security hardening guides, tools and other resources
:computer:🛡️ A curated collection of awesome resources, tools, and other shiny things for cybersecurity blue teams.
Complete Practical Study Plan to become a successful cybersecurity engineer based on roles like Pentest, AppSec, Cloud Security, DevSecOps and so on...
- aws-security
- study-guide
- study-plan
- appsec
🚗 A curated list of resources for learning about vehicle security and car hacking.
- vehicle-security
- car-hacking
- hacking-vehicles
- security
📡 Comprehensive collection of OSINT tools for cybersecurity professionals, researchers, and bug bounty hunters. Topics: information gathering, reverse search, red team, trust & safety, AI.
Cybersecurity oriented awesome list
A huge chunk of my personal notes since I started playing CTFs and working as a Red Teamer.
OSINT & recon toolkit // 100+ tools, one-command installer, SOCMINT, GEOINT, network recon, dark web, forensics & more.
A comprehensive, step-by-step guide to mastering cybersecurity from beginner to expert level with curated resources, tools, and career guidance
- cybersecurity
- cybersecurity-education
- cybersecurity-projects
- cybersecurity-tools