What is OSINT? A Complete Guide to Open-Source Intelligence

What is OSINT?

Open-Source Intelligence (OSINT), or intelligence from open sources, is the process of gathering, evaluating, and analysing publicly available information to answer specific intelligence questions.


Information vs. Intelligence

It’s worth noting that information is not the same as intelligence. Data collected from the internet is just raw material.
Only through analysis, interpretation, and giving it meaning does it transform into valuable intelligence.

OSINT isn’t just saving someone’s Facebook friends list — it’s understanding why that information matters in the context of an investigation or decision.


Examples of Open Information Sources


Who Uses OSINT?

Each of us uses open sources — often unconsciously.
Checking a company’s or business partner’s credibility is OSINT in practice.


The Intelligence Cycle

The intelligence cycle is the foundation of OSINT work. It consists of several stages:

  1. Planning – defining goals, needs, and information sources.
  2. Collection – gathering data from various sources.
  3. Processing – selection, filtering, and organising information.
  4. Analysis and reporting – interpreting data and presenting conclusions.

OSINT Techniques

1. Passive Reconnaissance

Gathering data without direct interaction (e.g., WHOIS queries, DNS enumeration).

2. Active Reconnaissance

Direct interaction with the target (e.g., port scanning, social engineering).

3. Human Intelligence (HUMINT)

Gathering information from people (interviews, observations).

4. Geospatial Intelligence (GEOINT)

Analysis of location-based data (maps, satellite images).

5. Social Media Intelligence (SOCMINT)

Gathering data from social platforms.


Ethical OSINT Use

OSINT must be used responsibly:

Ethical OSINT builds trust and credibility.


OSINT Tools & Resources


Real-World OSINT Projects

🔍 Bellingcat

An investigative journalism collective using OSINT to expose war crimes, corruption, and disinformation (e.g., MH17 downing).
bellingcat.com

🔍 Amnesty International

Uses OSINT to document human rights abuses worldwide, analysing satellite imagery and social media.
amnesty.org

🔍 Project OWL

Community initiative using open-source maps and data during natural disasters (hurricanes, earthquakes) for aid coordination.
projectowl.com


💡 OSINT Education & Community


🔎 Summary

These projects show that OSINT is more than an analytical technique – it’s a global movement of people using public information to protect lives, human rights, and security.

OSINT in the right hands has real power to change the world – from exposing disinformation to saving lives.


How OSINT Can Support Your Organisation


Conclusion

Today, OSINT is not just for intelligence agencies.
It’s a strategic tool for business, investigations, and analysis, helping understand a data-driven world — ethically, effectively, and responsibly.

🔐 OSINT in professional hands becomes a shield – not a weapon.
That’s what distinguishes an analyst from a hacker.


Get in Touch

Protect your company’s security.
I help with selecting, implementing, and auditing effective protection solutions.

Email: biuro@wichran.pl
Phone: +48 515 601 621


Author: Piotr Wichrań – Court-appointed IT expert, IT/OT cybersecurity specialist, licensed private investigator