Omar Santos is a Distinguished Engineer at Cisco focusing on artificial intelligence (AI) security, cybersecurity research, incident response, and vulnerability disclosure. He is aboard member of theOASIS Open standards organization and the founder ofOpenEoX. He is the co-chair of theCoalition for Secure AI (CoSAI). Omar's collaborative efforts extend to numerous organizations, including theForum of Incident Response and Security Teams (FIRST). Omar is the co-chair of theFIRST PSIRT Special Interest Group (SIG). Omar is the co-founder and co-lead ofthe DEF CON Red Team Village and the chair of theCommon Security Advisory Framework (CSAF) technical committee.

Omar is the author ofover 25 books, 21 video courses, andmany academic research papers. Omar is a renowned expert in ethical hacking, vulnerability research, incident response, and AI security. He employs his deep understanding of these disciplines to help organizations stay ahead of emerging threats. His dedication to cybersecurity has made a significant impact on technology standards, businesses, academic institutions, government agencies, and other entities striving to improve their cybersecurity programs. Prior to Cisco, Omar served in the United States Marines focusing on the deployment, testing, and maintenance of Command, Control, Communications, Computer and Intelligence (C4I) systems.

• Creating a Custom Code Security Claude Skill that Integrates with Project CodeGuard
• Using Project CodeGuard to Secure the Future of AI-Generated Code
• Security at Scale: Why Humans Must Evolve with AI
• An In-Depth Look at Open-Weight Transformer Models
• Mastering Prompt Engineering for LangChain, LangGraph, and AI Agent Applications
• My Take on a New Identity Framework for AI Agents
• Comparing MCP, A2A, and AGNTCY in the AI Agent Ecosystem
• Foundation-Sec-8B: An Open-Source LLM for Cybersecurity
• Integrating Agentic RAG with MCP Servers: Technical Implementation Guide
• Video Recording: AI and Cybersecurity — Find Yourself in the Future

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1. The-Art-of-Hacking/h4ckerThe-Art-of-Hacking/h4ckerPublic

   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,…

   Jupyter Notebook 24.4k 4.7k

2. CiscoPSIRT/openVulnAPICiscoPSIRT/openVulnAPIPublic

   Documentation and Tools for Cisco's PSIRT openVuln API

   Ruby 117 51

3. yeyintminthuhtut/Awesome-Red-Teamingyeyintminthuhtut/Awesome-Red-TeamingPublic

   List of Awesome Red Teaming Resources

   7.6k 1.7k

4. csaf_validatorcsaf_validatorPublic

   A Python-based program used to validate a Common Security Advisory Framework (CSAF) JSON file against the CSAF 2.0 schema.

   Python 10 4

5. project-codeguard/rulesproject-codeguard/rulesPublic

   Project CodeGuard is an AI model-agnostic security framework and ruleset that embeds secure-by-default practices into AI coding workflows (generation and review). It ships core security rules, tran…

   Python 348 43