Resources · 01

OSINT guide: produce reliable decision intelligence

A six-step method for turning scattered open sources into a traceable, nuanced and actionable brief.

· 12 min

OSINT analyst cross-checking maps, documents and relationships between open sources

What this guide helps achieve

  • Stop collecting without a purpose
  • Avoid confusing repetition with corroboration
  • Make uncertainty visible
  • Connect recommendations to the decision

Quick check

  • Does the question fit into one sentence?
  • Is the validity deadline defined?
  • Are two sources genuinely independent?
  • Is personal information necessary to the reasoning?
  • Does the reader know what would change the conclusion?

Step-by-step method

  1. 01

    Frame the decision

    State the decision, its owner, deadline and likely cost of error. A strong question limits scope without imposing the conclusion.

    Deliverable: one-page brief.

  2. 02

    Build a collection plan

    Break the question into sub-hypotheses and map sources that may confirm, qualify or refute each one. Define a stopping condition.

    Deliverable: hypothesis, source and status table.

  3. 03

    Trace provenance

    Retain the primary URL or reference, author, publication date, access date and a compliant copy where lawful.

    Deliverable: source log.

  4. 04

    Assess without over-scoring

    Score source reliability and information credibility separately. A capable source may have an interest; an unknown source may publish an authentic document.

    Deliverable: confidence grid.

  5. 05

    Corroborate and challenge

    Seek an independent origin and actively try to refute the leading hypothesis. Multiple rewrites of one dispatch remain one origin.

    Deliverable: corroboration matrix.

  6. 06

    Report for action

    Lead with the short answer, then decisive facts, limitations, scenarios and next action. Keep collection detail in an appendix.

    Deliverable: decision brief and appendices.

Management indicators

IndicatorWhat it measuresFirst action
CoverageDecision sub-questions with at least one relevant sourceFind uncovered angles before adding similar sources
IndependenceKey claims corroborated by distinct originsTrace every repetition back to its primary source
FreshnessAge of evidence relative to how quickly the subject changesGive each conclusion an expiry date
TraceabilityKey claims connected to a verifiable referenceAdd citations during collection

Common pitfalls

  • Collecting before framing the decision
  • Citing an aggregator instead of the primary source
  • Turning lack of evidence into evidence of absence
  • Hiding contradictions to simplify the conclusion

Frequently asked questions

How is OSINT different from web search?

OSINT adds a defined objective, collection method, traceability, source assessment and reporting proportional to the decision risk.

How many sources are enough?

There is no universal number. Seek independent origins and sufficient coverage of the claims that could change the decision.

Can collection be automated?

Yes for discovery, normalisation and monitoring. Scope, legality, source identity, contradictions and conclusions still require explicit human review.