OSINT Fundamentals

Last Update August 9, 2025
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About This Course

Course Description:
This comprehensive introduction to Open-Source Intelligence (OSINT) equips you with the knowledge, tools, and processes to transform publicly available information into actionable insight. Designed for investigators, analysts, journalists, corporate security professionals, and anyone who needs to gather intelligence ethically, the course walks you through the complete OSINT lifecycle — from planning and legal compliance to data collection, analysis, and reporting.

You’ll learn to identify and use a wide range of OSINT sources, including search engines, public records, social media platforms, and specialized databases. Practical modules cover advanced search techniques, safe and effective use of OSINT tools, social media investigation strategies, and financial data analysis. The course emphasizes legality, ethics, and operational security at every step, ensuring your methods are both defensible and safe.

Through real-world examples, case studies, and hands-on exercises, you’ll practice structuring investigations, validating evidence, and producing clear, professional reports. By the end of the course, you’ll have the skills and mindset to conduct independent OSINT investigations with confidence — and the framework to adapt as laws, platforms, and technologies evolve.

Key Learning Outcomes:

  • Understand what OSINT is, and how it differs from classified or covert intelligence.

  • Navigate privacy laws, terms of service, and ethical boundaries.

  • Use industry-standard tools, advanced search operators, and specialized databases.

  • Conduct social media investigations with legal and evidentiary safeguards.

  • Analyze, validate, and present findings in a professional, defensible format.

  • Apply a repeatable investigative framework for any OSINT project.

Learning Objectives

Understand what OSINT is and how private investigators can legally leverage public data.
Apply a clear, five-step intelligence cycle to plan and execute investigations efficiently.
Follow strict legal and ethical frameworks to avoid privacy violations and liability.
Master advanced search operators and Google dorking to surface hard-to-find information.
Use core tools—WHOIS, Shodan, Maltego, SpiderFoot—to map digital footprints and connections.
Mine social-media platforms systematically while maintaining stealth and operational security.
Validate and geolocate images and videos using reverse-image search, EXIF, and InVID workflows.
Clean, organize, and analyze open-source data to turn raw findings into actionable intelligence.
Communicate results with concise BLUF-style reports, clear visuals, and documented sources.
Maintain continuous learning and strong OPSEC to keep pace with evolving OSINT techniques.

Target Audience

  • Private investigators
  • Corporate security and loss-prevention teams
  • Investigative journalists and researchers
  • Legal support staff and discovery paralegals
  • Cyber and threat-intelligence analysts
  • Insurance fraud investigators
  • Compliance and due-diligence officers
  • Human-resources background screeners

Curriculum

12 Lessons2h 30m

Meet Your Instructor

Meet Trevor Barthel

Introduction to OSINT and Ethical Considerations

Tools and Techniques for Effective Information Gathering

Analyzing and Validating Open Source Data

Advanced Investigative Strategies and Case Studies

Wrap-Up, Conclusion, and CAPSTONE

Your Instructors

Trevor B

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Trevor Barthel brings more than 15 years of real-world all-source intelligence from the United States Air Force. His operational résumé spans mission planning, multi-source analysis, electronic-warfare threat assessments, and global instructor duties for the Mobility Air Forces Intelligence Formal Training Unit and Anti-Terrorism Level 2.

In the private sector, Trevor is the Chief Operating Officer of F3 Intelligence Corp, directing complex investigations and security consulting programs, and the founder of Loon Cyber Consulting, a firm that has delivered affordable web and cyber solutions to small businesses since 2015. 

Why Learn from Trevor?

  • Proven Instructor: Certified Community College of the Air Force instructor with an Associate of Science in Instructional Technology and Military Science.
  • Advanced Academics: Master of Security Studies (Intelligence & Analysis) and Bachelor’s in Intelligence Studies ensure theory backs every lesson.
  • Operational Credibility: Led teams supporting real-world contingencies such as:
    • Operation Inherent Resolve
    • Operation Enduring Freedom
    • Operation Odyssey Dawn
    • Operation Freedom Sentinel
See more
OSINT fundamentals course for investigators
Level
Beginner
Duration 2.5 hours
Lectures
12 lectures
Subject

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