Penrose Institute
Marginalia

Regarding the Definition of OSINT in Public Law

The definition of OSINT in U.S. Code is a congressional finding, not a binding mandate. Services retain the authority to define the discipline to meet their own operational and policy needs.

Read it

OSINT and the Hyphen That Shrinks a Discipline

Why "Open Source Intelligence" should never be hyphenated. The hyphen describes a kind of product. Without it, the phrase names a profession, and in bureaucracies language signals legitimacy.

Read it

Corporate Fraud & Money Laundering

Over the next 45 minutes, you will learn the high level concepts, terms, and resources related to open-source investigations of corporate fraud and money laundering. Enjoy!

Read it

Inquiry into the Seago Piraeus Mombasa Port Episode

A container flagged for radioactivity at Mombasa, and a walk-through of the open sources that identify the vessel, the container, the consignor and the intended recipient — IMO numbers, container registers, GSTIN records and AIS.

Read it

Maltego Basics: Building a Network Diagram

A step-by-step guide to building a network diagram — a graph — in Maltego Community Edition, worked through on the Razzlekahn conspiracy. Entities, links, Transforms, and the machines that run them.

Read it