~/challenges $ cat weekly/06_off_the_grid.md
Cryptography / Forensics
Easy
Live · Week 06
CHALLENGE #06 · Released 12 May 2026
Off the Grid
REWARD +150 ptsBriefing Tape
Briefing
intel://sss/briefing_06.txt
INTELBremerwald corridor, 08:47 local. A Northwind Energie field engineer closes out his morning round at Bay 07. SF₆ pressure 5.2 bar. Voltages within tolerance. Load 63%. No alarms.
Hours later, 8 gigabytes from a Hamburg MSP land on a paste site. The notebook page goes with it. The Security Special Services Team pulls the dump. Every reading is routine. One isn’t.
This carries Solstice Prime’s fingerprints. Operator, can you read what the engineer didn’t want anyone else to see?
Objective
Open the leaked
notebook.jpg. One line in the inspection log doesn’t fit the rest — recognise, decode, and submit the cleartext 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.