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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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AIS vs Satellite Tracking
AIS and satellite tracking are often framed as rivals. Learn how the self-reported baseline and direct observation actually work together,…
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SAR vs Optical (EO) Imagery for Vessel Detection
SAR and optical imagery detect vessels in different conditions. Learn how radar and electro-optical imaging compare, and why they work…
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Why AIS Alone Is Not Enough for Maritime Security
AIS is the essential base layer of vessel tracking, but on its own it leaves security gaps. Learn what AIS…
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Real-Time Monitoring vs Historical Pattern Analysis
There is no true real-time at sea, only cadence and latency. Learn how at-scale imaging builds an archive that makes…
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Tracking Naval Activity with OSINT
Naval vessels rarely broadcast AIS, so tracking them leans on open sources and imagery. Learn how OSINT builds naval awareness…
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Tip-and-Cue vs Persistent Monitoring
Tip-and-cue collects only what it is told to look at. Persistent monitoring collects at scale. Learn how the two collection…
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Protecting Undersea Infrastructure
Subsea cables and pipelines are vulnerable to damage from vessels above them. Learn why protecting undersea infrastructure is a maritime…
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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