~/challenges $ cat weekly/03_the_suspicious_file.md
Forensics
Difficulty: Medium
Live · Week 03
CHALLENGE #03 · Released Apr 21, 2026
The Suspicious File
REWARD +150 ptsBriefing
intel://sss/briefing_03.txt
INTELA public memo released by a French port authority is suspected to contain residual internal data that was never properly removed before publication. Examine the document and identify what was left behind.
The Port Autonome de Saint-Vérelle recently published a quarterly logistics memo on its public portal. Start by downloading the file and inspecting what lies inside.
Objective
Find the
suspicious data hidden in the document and submit it as your flag.Evidence
Capture the Flag
Submit your solution · +150 pts on success
Format:
GRID-2026-XXXXOne submission per solve. Points post to the leaderboard on verify.