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Maritime intelligence, explained
Reports, technical guides, regulatory insights, and analysis from the team behind Theia, covering dark fleets, spoofing, sanctions, and what satellites reveal.
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How to Track Vessels Without AIS
Vessels that disable or falsify AIS can still be tracked. Learn the workflow that anchors on the AIS baseline, enriches…
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GNSS Jamming and Spoofing at Sea
GNSS jamming blinds a vessel’s positioning and spoofing feeds it a false fix. Learn how they differ from AIS spoofing…
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What Is a Vessel of Interest
A vessel of interest is a ship flagged for closer examination based on risk indicators. Learn what triggers the designation…
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What Are Flags of Convenience and Flag Hopping
A flag of convenience is a foreign registry a vessel adopts for cost or oversight reasons. Learn what it means,…
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What Is IUU Fishing
IUU fishing is illegal, unreported, and unregulated fishing that drains ocean resources and evades oversight. Learn what it covers and…
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What Is RF Detection in Maritime Surveillance
Radio frequency detection locates vessels by the signals they emit. Learn what RF detection is, how it complements imagery, and…
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What Is SAR and Why It Matters for Vessel Detection
Synthetic aperture radar images vessels through cloud and darkness. Learn what SAR is, how it detects ships, and how it…
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Maritime Intelligence Glossary
A plain-language glossary of maritime intelligence terms, from AIS and SAR to shadow fleets and ship-to-ship transfers, with links to…
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Maritime Sanctions Risk for Insurance and Compliance Teams
Insurers, financiers, and compliance teams carry real exposure to sanctioned and shadow-fleet vessels. Learn the risk types and how to…
Featured & Latest
Latest from the team.
Regulatory Insight
Sanctions Evasion at Sea
How dark fleets and ship-to-ship transfers move sanctioned crude past enforcement.
Technical Guide
How Satellite Vessel Detection Works
SAR, optical imagery, and where AIS-only tracking falls short.
Analysis
Tracking Naval Activity with OSINT
Satellite ground truth as the foundation for open-source analysis.
Content Feed
Priority reading.
How to Track Vessels Without AIS
Technical Guide
What Is Maritime Domain Awareness
Explainer
What Is AIS Spoofing
Explainer
AIS vs Satellite Tracking
Analysis
How Satellite Vessel Detection Works
Technical Guide
How to Detect Dark Ships
Technical Guide
Understanding Deceptive Shipping Practices
Regulatory Insight
How to Detect Ship-to-Ship Transfers
Technical Guide
Maritime Domain Awareness Explained
Explainer
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