TJCTF

Put your hacking skills to the test in this online cybersecurity competition. Win prizes while developing your computer science skills!

[TJCTF @tjctf]

TJCTF 2026 STARTS NOW! From May 15-17, compete in our annual cybersecurity competition for awesome prizes!

Register: https://t.co/bgkPs9O7gi
CTFTime: https://t.co/frgr19c7rG

A huge thanks to @zellic_io, @googlecloud, @tryhackme, @HexRaysSA, and @apisecu for supporting TJCTF!

[TJCTF @tjctf]

TJCTF IS BACK!! 🔥

This year's competition will run from June 6-8 (12 PM ET to 12 PM ET) which is tomorrow! We’re excited to offer $3,000 in prizes, generously made possible by our amazing sponsors @trailofbits and @zellic_io !

Prize Pools:
US High School Division - $2,250
Open Division - $500
Writeup Contest - $250.

Thanks again to our sponsors:
Zellic (https://t.co/XnP0Tlq4w9),
Trail of Bits (https://t.co/FVzRcB9W0H)

Check us out on https://t.co/adkvzIFrST, and be sure to go to https://t.co/lAiAIiQfri for registration!

CTFtime: https://t.co/XRWIhKNwa6

[TJCTF @tjctf]

Announcing… TJCTF 2024! Whether you’re a beginner or an expert, try your hand at our cybersecurity challenges starting later today. Register now at https://t.co/YyFVgck0pp to get the chance to win from a prize pool of $2,750, sponsored by @trailofbits and @zellic_io!

[TJCTF @tjctf]

@c0nrad_jr Thanks for playing! We hope to see you next year!

[TJCTF @tjctf]

And that's a wrap! Congrats to everyone who played in TJCTF 2023!! For info on challenge writeups (we have a writeup contest!) and prizes, check our Discord.

A huge thank you to our sponsors once again, this wouldn't have been possible without their help. See you for TJCTF 2024!

[TJCTF @tjctf]

DID YOU KNOW: TJCTF 2023 starts in ONE DAY?!😮 Join us on May 25th @ 8PM ET for a chance to win over $4,000 in prizes . Register now at https://t.co/lbt19QaCjU!

Thanks to @lunchclubai, @trailofbits, @openai, @zellic_io, @osec_io, and @googlecloud for making this event possible!

[TJCTF @tjctf]

TJCTF IS BACK!!!

From May 26-28, hack your way to the top to take a dip in our prize pool of $4,000!

Register now at https://t.co/lbt19QaCjU! 🥳🥳

Special thanks to our sponsors @lunchclubai, @trailofbits, @openai, @zellic_io, and @googlecloud for making this event possible.

[TJCTF @tjctf]

TJCTF 2023 coming soon to a website near you!👀

On that note, we're currently searching for sponsorships for TJCTF 2023. Feel free to contact us through DMs or at [email protected] if you're interested.

[TJCTF @tjctf]

TJCTF 2022 is now over! Congratulations to everyone who played.

Thanks again to our sponsors @trailofbits, @osec_io, @OpenAI, and @googlecloud for making this event possible.

[TJCTF @tjctf]

TJCTF 2022 has now started. Good luck, and have fun!

The second half of the flag for `twist-cord` is `_b6fd3b11fc5393c8}`. You can find the rest of it on Discord!

[TJCTF @tjctf]

Wowzers, TJCTF 2022 is less than a week away! 😮

We have $4,000 in prizes this year. Register now at https://t.co/lbt19QaCjU!

Thanks to @trailofbits, @osec_io, @openai, nthistle, and @googlecloud for making this event possible! 🥳

[TJCTF @tjctf]

Get hyped, TJCTF is back! TJCTF 2022 will be May 13 - 15.🥳

https://t.co/YyFVgck0pp

[TJCTF @tjctf]

We're currently searching for sponsorships for TJCTF 2022. If you're interested or know someone else that might be, shoot us a DM or email us at [email protected].

Thanks! ❤

[TJCTF @tjctf]

TJCTF is live! Register at https://t.co/YyFVgck0pp

[TJCTF @tjctf]

TJCTF 2020 will run from May 22-26! Visit https://t.co/bgkPs9NzqK to register and join our discord (https://t.co/KeE6jsADXK) for more info. Prizes include 4K Monitors, Wireless headphones, and gift cards!

[TJCTF @tjctf]

Our third place prizes are Google Homes and t-shirts, generously provided by @blu3cloak!

[TJCTF @tjctf]

Thanks to @trailofbits, our 2nd place team will receive Audio-Technica ATH-M50x Headphones!

[TJCTF @tjctf]

With the start date drawing near, the prize reveals will now commence!

@yext, our lead sponsor, is providing the first place prize. Behold, the ASUS C302C Chromebook. Thank you, Yext!

With two weeks to go, register at https://t.co/bgkPs9NzqK and to join our Discord!

[TJCTF @tjctf]

Date change! TJCTF 2019 will run from April 5 to 9. Join our Discord at https://t.co/KeE6jsADXK to keep up-to-date with the latest announcements!