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Best resources to learnOSINT (Open-Source Intelligence)

Study sheet

OSINT is investigation using publicly available information. You will learn search techniques, geolocation, social-media and domain analysis, verification and the ethics of open-source research.

4 resources · · How we curate

📺YouTube(1)

youtube

OSINT At Home: Tutorials on Digital Research, Verification and Open Source Investigations

This is the best free, hands-on starting point for the core skills (search, image and metadata work, geolocation). Short screen-recorded tutorials, each on one investigative technique: reverse image search, finding EXIF metadata, advanced search operators combined with translation, geolocating a photo or video, and dating imagery with satellite history.

beginner🇬🇧

📚Books(1)

bookPaid

OSINT Techniques: Resources for Uncovering Online Information (11th Edition)

This is the definitive single-volume manual for technique. A 590-page practitioner manual on searching for people, usernames, email addresses, phone numbers, domains, images and social networks. It also shows how to build a dedicated investigation virtual machine and your own custom search tools, and how to document and report findings.

intermediate🇬🇧

🌐Websites(1)

website

Bellingcat's Online Open Source Investigation Toolkit

Reference of investigation tools grouped into maps and satellites, geolocation, image and video, social media, people, websites, companies and finance, transport and archiving. Many entries include a write-up of how to use the tool and its limitations. It is a tool directory, but it is the canonical one: actively maintained, reviewed, and annotated with usage notes and caveats.

intermediate🇬🇧

📄Papers(1)

paper

Berkeley Protocol on Digital Open Source Investigations

International standard (2020) for professional open-source investigation. It covers legal and ethical principles, investigator security, online inquiry, collection and preservation of digital material, verification and analysis, and reporting findings so they hold up as evidence. This is the authoritative text for the ethics and evidentiary-methodology side of the topic, which technique-focused resources skip.

advanced🇬🇧
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Frequently Asked Questions

What are the best free resources to learn OSINT (Open-Source Intelligence)?

Dantes has curated 4 resources for OSINT (Open-Source Intelligence), including 1 YouTube videos, 1 books, 1 websites, 1 papers. All resources are hand-picked for quality — no algorithmic filler. Browse the full list above to find the format that works best for you.

Is OSINT (Open-Source Intelligence) hard to learn?

OSINT (Open-Source Intelligence) is approachable at the beginner level — there are resources here specifically for those starting from scratch. As you progress, intermediate and advanced material is also available to take your skills further.

What types of OSINT (Open-Source Intelligence) learning resources are available on Dantes?

For OSINT (Open-Source Intelligence), Dantes has curated 1 YouTube videos, 1 books, 1 websites, 1 papers. Each resource type serves a different learning style: videos and YouTube for visual learners, books for depth, courses for structured progression, and websites for quick reference.

How does Dantes select OSINT (Open-Source Intelligence) resources?

Dantes is an algorithm-free learning directory. Resources are hand-curated based on quality, accuracy, and usefulness — not engagement metrics or paid placements. The goal is to surface the best learning material for OSINT (Open-Source Intelligence), whether it's a free YouTube series, a classic textbook, or an open courseware from a top university.

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