N2YO satellite tracking: Intelligence Source Guide 
CelesTrak / Space-Track: Intelligence Source Guide 
NOAA Aviation Weather Center API: Intelligence Source Guide 
AVWX REST API: Intelligence Source Guide 
hexdb.io: Intelligence Source Guide 
URL: Data Point Intelligence Guide
A URL is the only artifact that carries the attacker instruction set in plain sight. Parse it properly and it...
IP Address: Data Point Intelligence Guide
An IP address tells you where traffic went, not who sent it. Treat it as a lead on infrastructure, never...
Domain Name: Data Point Intelligence Guide
A domain name is the cheapest thing an adversary buys and the most expensive thing for them to keep clean....
Weapons Intelligence (WEAPINT): Intelligence Discipline Guide
Every weapon carries a serial number and a paper trail from a factory to a legal export licence. Trafficking investigation...
CBRN Intelligence (CBRNINT): Intelligence Discipline Guide
Chemical, biological, radiological and nuclear risk is monitored by an unusually open international architecture. The intelligence value is in reading...
Vehicle Intelligence (VEHINT): Intelligence Discipline Guide
A vehicle is a seventeen-character identifier attached to an engine. Decode it properly and you get the plant, the year,...
Supply Chain Intelligence (SUPPLYINT): Intelligence Discipline Guide
You do not have one supply chain. You have a tree of dependencies you have never enumerated, and your real...
Maritime Intelligence (MARINT): Intelligence Discipline Guide
Ships are legally required to announce themselves. The interesting behaviour is what happens in the minutes after a vessel stops...
Logistics Intelligence (LOGINT): Intelligence Discipline Guide
Goods leave a paper trail long before they leave the warehouse. Customs declarations, manifests and trade statistics describe physical movement...
Aviation Intelligence (AVINT): Intelligence Discipline Guide
An aircraft broadcasts its identity and position to anyone with a twenty-dollar receiver. The intelligence is not in the position;...