BlahajCTF

About

Meet the only Blahaj-themed CTF, with something for any skill level!

In 2023, we ran the inaugural iteration of BlahajCTF with more than 300 participants across 14 hours.

For many, this was their first taste of cybersecurity, and everyone took home unforgettable shark-filled memories!

0

Days

0

Hours

00

Minutes

What's a CTF?

A Capture the Flag (CTF) is a competition where teams compete against each other in a series of cybersecurity challenges.

How it works

1

Get together with your friends and form a team, or go solo

2

Obtain flags by exploiting cybersecurity weaknesses in challenges

3

Top teams stand to win attractive prizes!

Prizes. Prizes. Prizes. Prizes. Prizes. Prizes. Prizes. Prizes. Prizes. Prizes. Prizes. Prizes. Prizes. Prizes. Prizes.

Champion

$1000 cash

Big Blahaj

1^st Runner-Up

$750 cash

Big Blahaj

2^nd Runner-Up

$350 cash

Big Blahaj

3^rd Runner-Up

$100 cash

Big Blahaj

4^th Runner-Up

$100 cash

Big Blahaj

PLUS: All finale participants will receive 1 small Blahaj!

Stand a chance to win big!
What's there to lose?

Sign Up

The Team

Backed by some brilliant minds, our talent spans a plethora of expertise from cryptography experts to web developers.

Zerui

born to sleep; forced to code

Vincent Kwok

I write (buggy) software

Christian James Tan

:3c

Tan Junheng

jack of all trades master of none

Publicity, Outreach & Design

Zelda Toh

a whale shark

Yan Hai De

hihi im hai de! im from ri and i enjoy sleeping and crocheting in my free time.

Nerella Naveena

Hello! I am an avid Harry Potter fan 🔮⚡I also 100% love sharks 🦈

Shine

💀

Theng Gee

i love to sleep zz

Wang Zerui

born to sleep; forced to code

Saumil

I do swift (and ctf's now)

Challenge Authors & Quality Assurance

Tan Junheng

jack of all trades master of none

Wang Zerui

born to sleep; forced to code

Warri

hai i liek mafs

Kieran Chai

Lorem ipsum dolor sit amet

June

rev and blockchain enjoyer

Lee Jia Jie

Pyjail appreciator and casual Taylor Swift enjoyer

Ryan Suwandi

NUSH Year 6 student. If there are no forests, there will be no forest fires. Mass deforestation for a cleaner future.

Langning

Average ctf enjoyer

Hugo

i like (s:="crypto")[-2:]+s[:3]

Lucas Tan

pwn and web for life

Hartmannsyg

I do web. and a little bit of pwn.

Fatin

no life y4 cs major

Zavier Lee

I like to break things!

Violet

just a cs girl trying to get by

Finale Operations & Infrastructure

Christian James Tan

:3c

Vincent Kwok

I write (buggy) software

Li Ziqi

weeb ahh networking nerd

Wang Zerui

born to sleep; forced to code

Wu Yutong

Fish Bucket

Parth Singhania

Im a Y5 PCM taker from NUSH who does photography

Schedule

Note: This section is still under construction, but the schedule is accurate

October

1

Signups Open

November

15

Signups Close

17

Training (Online)

23

Day 1 (Online)

24

Day 2 (Physical)

Team Blahaj Presents…

BLAHAJCTF

About

Sponsors

Event Sponsor

Venue Sponsor

What's a CTF?

How it works

1

2

3

Champion

$1000 cash

Big Blahaj

1st Runner-Up

$750 cash

Big Blahaj

2nd Runner-Up

$350 cash

Big Blahaj

3rd Runner-Up

$100 cash

Big Blahaj

4th Runner-Up

$100 cash

Big Blahaj

PLUS: All finale participants will receive 1 small Blahaj!

Stand a chance to win big!What's there to lose?

The Team

Zerui

Vincent Kwok

Christian James Tan

Tan Junheng

Publicity, Outreach & Design

Zelda Toh

Yan Hai De

Nerella Naveena

Shine

Theng Gee

Wang Zerui

Saumil

Challenge Authors & Quality Assurance

Tan Junheng

Wang Zerui

Warri

Kieran Chai

June

Lee Jia Jie

Ryan Suwandi

Langning

Hugo

Lucas Tan

Hartmannsyg

Fatin

Zavier Lee

Violet

Finale Operations & Infrastructure

Christian James Tan

Vincent Kwok

Li Ziqi

Wang Zerui

Wu Yutong

Parth Singhania

Schedule

October

1

November

15

17

23

24

Get ready for an experience of a lifetime

1^st Runner-Up

2^nd Runner-Up

3^rd Runner-Up

4^th Runner-Up

Stand a chance to win big!
What's there to lose?