QnQSec CTF 2025 is an online jeopardy-style Capture The Flag competition organized by QnQSec.
It features challenges across a variety of categories, including Reverse, Pwn, Cryptography, Web, Forensics, OSINT, Web3, Misc, and more.

With 50+ challenges and a total prize pool of $20,000, participants can expect a fun, competitive, and educational experience.

Team Size : Unlimted
Registration opens on 10/14

Discord: https://discord.gg/q5UNp7kgWm

Sponsored by:
Zellic
Ottersec
Offsec
Google
Altered Security
Caido
Trainsec
Letsdefend
ApiSec University
zSecurity
Rapid Risk Radar
CyberSharing
Parrot-CTFs
Hackviser
XYZ

Special thanks to all our sponsors for making this event possible.

Infra sponsored by goo.gle/ctfsponsorship

Prizes will be awarded to the Top 20 teams.

Total Prize Pool: $20,000+

1st place:
$500 Cash Prize
5 × 6-Month Licenses (Caido)
5 × 1-Month Vouchers (LetsDefend)
1 × 1-Year Proving Grounds Practice Access (OffSec)
1 × ASCP Certification Voucher (ApiSec University)
1 × CASA Certification Voucher (ApiSec University)
1 × ACP Certification Voucher (ApiSec University)
1 × CARTP Voucher (Altered Security)
1 × CRTP Voucher (Altered Security)
1 × Coupon for Any Course ($99 Value) (zSecurity / Zaid Sabih)
1 × Windows Security Researcher Course (TrainSec)
1 × 1-Month Vouchers (Hackviser)
3 × Premium Plans (4 Months Each) (Cybersharing)
1 × Rapid Risk Radar License (Rapid Risk Radar)
1 × .xyz Domain (.XYZ)

2nd place:
$250 Cash Prize
4 × 6-Month Licenses (Caido)
4 × 1-Month Vouchers (LetsDefend)
1 × 1-Year Proving Grounds Practice Access (OffSec)
1 × ASCP Certification Voucher (ApiSec University)
1 × CASA Certification Voucher (ApiSec University)
1 × ACP Certification Voucher (ApiSec University)
1 × CARTP Voucher (Altered Security)
1 × CRTP Voucher (Altered Security)
1 × Coupon for Any Course ($99 Value) (zSecurity / Zaid Sabih)
1 × Windows Internals Master Course (TrainSec)
1 × 1-Month Vouchers (Hackviser)
3 × Premium Plans (4 Months Each) (Cybersharing)
1 × Rapid Risk Radar License (Rapid Risk Radar)
1 × .xyz Domain (.XYZ)

3rd place:
$100 Cash Prize
3 × 6-Month Licenses (Caido)
3 × 1-Month Vouchers (LetsDefend)
1 × 1-Year Proving Grounds Practice Access (OffSec)
1 × ASCP Certification Voucher (ApiSec University)
1 × CASA Certification Voucher (ApiSec University)
1 × ACP Certification Voucher (ApiSec University)
1 × CRTP Voucher (Altered Security)
1 × Coupon for Any Course ($99 Value) (zSecurity / Zaid Sabih)
1 × Malware Analysis – Level 1 Course (TrainSec)
1 × 1-Month Vouchers (Hackviser)
3 × Premium Plans (4 Months Each) (Cybersharing)
1 × Rapid Risk Radar License (Rapid Risk Radar)
1 × .xyz Domain (.XYZ)

4th place:
2 × 6-Month Licenses (Caido)
2 × 1-Month Vouchers (LetsDefend)
1 × CASA Certification Voucher (ApiSec University)
1 × ACP Certification Voucher (ApiSec University)
1 × Coupon for Any Course ($99 Value) (zSecurity / Zaid Sabih)
1 × 1-Month Vouchers (Hackviser)
3 × Pro Plans (3 Months Each) (Cybersharing)
1 × .xyz Domain (.XYZ)

5th place:
1 × 6-Month License (Caido)
1 × 1-Month Voucher (LetsDefend)
1 × CASA Certification Voucher (ApiSec University)
1 × ACP Certification Voucher (ApiSec University)
1 × Coupon for Any Course ($99 Value) (zSecurity / Zaid Sabih)
1 × 1-Month Vouchers (Hackviser)
3 × Pro Plans (3 Months Each) (Cybersharing)
1 × Rapid Risk Radar License (Rapid Risk Radar)
1 × .xyz Domain (.XYZ)

6th–10th:
1 × 1-Month License (Caido)
1 × CASA Certification Voucher (ApiSec University)
1 × ACP Certification Voucher (ApiSec University)
3 × Pro Plans (3 Months Each) (Cybersharing)
1 × .xyz Domain (.XYZ)
1 × 1-Month License (Caido)
1 × CASA Certification Voucher (ApiSec University)
1 × ACP Certification Voucher (ApiSec University)
3 × Pro Plans (3 Months Each) (Cybersharing)
1 × .xyz Domain (.XYZ)

11th-15th:
1 × ACP Certification Voucher (ApiSec University)
3 × Pro Plans (2 Months Each) (Cybersharing)
1 × .xyz Domain (.XYZ)

16th-20th:
1 × ACP Certification Voucher (ApiSec University)
3 × Pro Plans (1 Month Each) (Cybersharing)
1 × .xyz Domain (.XYZ)

Last 24 Hours — Special Stage

1st Place:
1 × 1-Month License (Caido)
1 × ACP Certification Voucher (ApiSec University)
1 × .xyz Domain (.XYZ)

2st Place:
1 × ACP Certification Voucher (ApiSec University)
1 × .xyz Domain (.XYZ)

3st Place:
1 × ACP Certification Voucher (ApiSec University)
1 × .xyz Domain (.XYZ)

Special Awards

First Blood – Special Web3 Challenge: $50 Cash
Best 6 Write-ups: $25 each
Best 2 Web Write-ups (using Caido): 1 × 1-Month License each (Caido)

Participation Rewards

Certificate of Participation: Awarded to all participants
Global Coupon (by CyberSharing): 50% off both Pro and Premium plans available for all participants