GACS Research Team

GACS · Free

Free OSINT Certification

Open-source intelligence (OSINT) training for scam investigators, fraud analysts, and curious researchers. Donation-funded, no paywall, real certificate at the end.

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Full study book

Read every chapter online for free. Covers people search, social recon, geolocation, breach data, and reporting standards.

Real certificate

Pass the master exam and capstone to earn a public, verifiable GACS OSINT certificate with a shareable URL.

Free forever

No subscription, no upsell, no ads on lessons. The academy is funded by donations and the public-safety mission.

What you’ll learn

Open-source intelligence fundamentals and ethical boundaries
Social-media reconnaissance across X, Instagram, TikTok, Telegram
Domain, IP, and wallet-address attribution
Verifying scam reports and chain-of-evidence basics
Writing investigator-grade reports and timeline summaries
Using GACS tools (website checker, wallet checker, social scanner) in practice

Start in 30 seconds

No signup required to read the material. Create a free account only when you’re ready to take the exam and earn your certificate.

Open the academy Jump to the master exam