#maritime-osint

2 writeups ·all writeups

• Lost at Sea — Athena Trace 2026 Writeup

  2026-08-15/ctf/#maritime-osint#steganography#athena-trace-2026

  A four-stage chain: read vessel data off a screenshot, derive an AES key from it, pull a ZIP out of the tail of a PNG, and unlock it with the ship's own call sign.

• From a Blurry Container Photo to an IMO Number

  2026-07-26/mediumosint/#maritime-osint#image-analysis#diverosint2026

  Maritime OSINT: reading a container number off a low-resolution harbour photo, then tracing the shipping chain to identify the vessel that carried it.