$ ctf42

🇧🇩 BDSec

by Knight Squad 🇧🇩 Bangladesh CTFtime flag format BDSEC{...}

BDSec CTF 2026 is an international, 24-hour online jeopardy-style Capture The Flag competition organized by Knight Squad, a cybersecurity team from Bangladesh. Held annually, BDSec CTF is designed to push boundaries, encourage learning, and celebrate strategic brilliance in cybersecurity — open to participants around the globe.

The event pays tribute to Bangladesh’s history of resistance and courage, drawing inspiration from the 1952 Language Movement and the 1971 Liberation War. In this CTF, your mind is your shield, and your keyboard is your weapon.

Whether you're a student just entering the field or a seasoned infosec professional, BDSec CTF 2025 welcomes you to test your skills, think critically, and hack with honor.

Thanks to our sponsors [+] Knight Squad Academy [+] Gen.XYZ [+] NS TechValley

Community Partner : KS HackZone

Archived challenges by category

Editions

EditionWeight WebPwnReverseCryptoForensicsMisc Total
2026 15.62 ·37·11 12
2025 15.62 135234 18
2023 12.23 1321·1 8
2022 12.23 2174·· 14