Free OSINT Training Resources
Learn OSINT from scratch or perfect your skills with free courses, CTFs, guides and training environments. These resources cover all levels, from beginner to certified professional.
18 tools · Version française
- Aware Onlinealso written AwareOnlineOSINT training academy offering free and paid courses, blog posts, tools, and resources for investigators and journalists learning open source intelligence techniques.freemium
- Bellingcat Resourcesalso written BellingcatResourcesBellingcat's published methods: case write-ups, guides and workshops explaining exactly how each investigation was conducted.free
- CyberDefendersalso written Cyber DefendersBlue team cybersecurity training platform with CTF challenges, OSINT labs and forensics exercises.freemium
- Forensic OSINT KB GuidesKnowledge base of digital forensics guides for evidence capture and court-admissible documentation, including web capture and metadata analysis.freemium
- GeoGuesseralso written Geo GuesserGeography game for geolocation OSINT training; users observe visual clues in Street View panoramas to guess locations worldwide.freemium
- GIAC GOSI (SANS SEC497)Industry-recognized OSINT certification from GIAC tied to SANS SEC497, covering methodologies, frameworks, and 29 hands-on labs. Increasingly required by government and enterprise employers for professional OSINT roles.paid
- HackTheBoxalso written Hack The BoxElite cybersecurity training platform with advanced OSINT challenges, lab environments and CTF competitions.freemium
- Immersive Labsalso written ImmersiveLabsEnterprise cyber skills platform with OSINT, threat intelligence, and incident response modules.paid
- Open Source Intelligence TechniquesProfessional OSINT training and certification by IntelTechniques with extensive video modules, documentation, and practical investigative exercises.paid
- OSINT Curiousalso written OSINTCuriousPractitioner collective publishing techniques, the 10-minute tips format and a regular broadcast. A reliable way to keep up as tools change.free
- OSINT Dojoalso written OSINTDojoFree learning resources and practice exercises structured as a progressive OSINT curriculum.free
- OSINT Frameworkalso written OSINTFrameworkInteractive web-based tree of OSINT resources organized by investigation type — provides categorized links to tools for username, email, IP, domain, images, people and more.free
- OSINT Industries Training3-day intensive OSINT training and certification built by intelligence professionals, covering practical investigation workflows using the OSINT Industries platform and broader OSINT tradecraft including digital footprint analysis.paid
- Smart Questionsalso written SmartQuestionsFoundational guide by Eric S. Raymond on asking effective technical questions in open-source and technical communities.free
- TCM PORP CertificationPractical OSINT Research Professional certification with a 3-day hands-on exam and 9+ hours of training. Affordable alternative to GOSI/SANS, gaining rapid adoption in the OSINT community as a practical, portfolio-ready credential.paid
- Trace Labsalso written TraceLabsNon-profit organization running OSINT CTF competitions focused on finding missing persons. Provides crowdsourced intelligence to law enforcement using ethical OSINT techniques.free
- TryHackMeGamified cybersecurity training platform with OSINT-specific rooms: Shodan, OSINT Fundamentals, dark web.freemium
- Verif!cation Quiz BotDaily OSINT verification challenges posted on X (Twitter), using a community-driven quiz format for image geolocation and source verification.free
Frequently asked
- How to learn OSINT for free?
- Start with SP Copilot sandbox, Bellingcat resources (bellingcat.com/resources), TryHackMe OSINT challenges, and free SANS training.
- What OSINT certifications exist?
- Recognized certifications include OSINT Foundation (OSINT-F), Trace Labs OSINT, and OSINT modules in CEH (EC-Council) and GIAC certifications. Bellingcat also offers practical training.