Sudo Override
NJACK CSEC — Fresher CTF
A 7-day, beginner-friendly capture-the-flag for CSEC freshers. Two tracks, one scoreboard. No experience needed — every challenge tells you what to do and what "done" looks like.
Runs Aug 30 – Sep 5, 2026. A new day of challenges unlocks every morning; submissions close Saturday night.
Runs Aug 30 to Sep 5, 2026. A new day of challenges unlocks every morning at 09:00 IST; submissions close Saturday night.
Flags always look like NJACK{...} unless a task says it's self-graded.
New to this? Start with the workshop material: CSEC Hello World 2026.
Track A — Networks
The web, the wire, and the packets.
Web basics · App security · Cryptography · Forensics · DNS · Recon
Track B — Computers
Source to binary, and back again.
ELF & memory · OS & syscalls · Disassembly · Reversing · Binary exploitation
Stuck for 10–15 minutes? Ask a mentor for a hint. That's the point.