OPEN SOURCE:
An amazing article came out yesterday.
Seven German journalism students, as a continuation of their OSINT course project, tracked the movements of ships with Russian crews off the coasts of the Netherlands and Germany and linked them to swarms of drones appearing over European… pic.twitter.com/4B0CaVp2W5— Pepel Klaasa (@pepel_klaasa) December 12, 2025
Full story here, complete with instructions on how to follow the ships yourself.