🚀 LakeCTF Finals are coming to EPFL on May 1st!

Getting ready to host the LakeCTF Finals at EPFL! We’ll be welcoming the top 10 qualifying teams to the beautiful city of Lausanne for an intense and unforgettable cybersecurity showdown. 🎉

Learn more 👉 lakectf.epfl.ch

861 teams registered 5757 IP addresses 6941 total possible points 24 challenges welcome has the most solves with 458 solves Nerfed has the least solves with 3 solves

Zellic logo

LakeCTF qualifications 24-25 was a success! Here's some stats from the event.

Thank you to Zellic for sponsoring! Check out their blog www.zellic.io/blog/ and their open positions zellic-inc.notion.site/Jobs-at-Zell...

Place User Score 1 .;,;. Academic 5133 2 Zer0RocketWrecks Academic 5101 3 DiceGang Non-academic 4918 4 The Flat Network Society Non-academic 4334 5 FluxFingers Academic 4279

LakeCTF qualifications are now over!

🥇 .;,;.
🥈 Zer0RocketWrecks
🥉 DiceGang

Congratulations to the winners, see you in Lausanne for the finals! 😄

It's on! LakeCTF Qualifications 24-25 have started! We have amazing challenges waiting for you. Come register now at ctf.polygl0ts.ch!

grafana host load graph

infomaniak logo

Monitoring is ready, kicking off our CTF competition in less than two hours 👀

Come join us for LakeCTF ctf.polygl0ts.ch

Thanks to Infomaniak for sponsoring! Check out their bug bounty program www.infomaniak.com/en/secure/bu... and their job offers www.infomaniak.com/en/about/car...

two IKEA shark plushies lying on a Swiss flag heart camp bedsheet

ChainSecurity logo

Team shark knows the difference between Sweden🇸🇪 and Switzerland🇨🇭. If you do as well, you might be able to qualify for LakeCTF Finals in Lausanne! Register on ctf.polygl0ts.ch

Thank you to ChainSecurity for sponsoring! Check out their website www.chainsecurity.com

our team eating pizza

Orange Cyberdefence logo

Nothing like pizzas for challenge hackathons!🍕

Come try our challenges this Saturday 18:00 UTC! Thank you to Orange Cyberdefense Switzerland for sponsoring LakeCTF! Check out their open positions jobs.orangecyberdefense.com/jobs?locatio...

a hammer is brandished in front of a computer screen showing a heap dump of a program

Asymmetric Research logo

Are you a heap smashing enjoyoooor? Come join us at LakeCTF! Registration will be open soon 👀

Thank you to Asymmetric Research for sponsoring! Check out their blog www.asymmetric.re/blog/ and consider joining their team jobs.ashbyhq.com/asymmetric.re

a small blåhaj on the keyboard of a laptop looking at sp1up running in a split screen terminal. A large blåhaj is supervising

Ottersec logo

Can you swim like a shark? Come prove it to us in zero-knowledge at LakeCTF!

Thank you to OtterSec for sponsoring! Check out their blog osec.io/blog/ and consider joining their team osec.io/careers

A laptop open in an airliner, with a webpage offering to select a free package from LakeCDN

Struggling with the slow WiFi on the plane to your CTF? Try LakeCDN the fast and secure CDN for web players

LakeCTF is back with a new edition! Join us on December 7th for a chance to qualify for the finals, or win tickets and accommodation for the Insomni'hack 2025 conference in Lausanne (Switzerland)
more info here 👉 lakectf.epfl.ch

UPDATE: Polyquity has been unsuspended

The final CyberSecurityRumble scoreboard, with polyqu1ty at the seventh place

No sooner said than done

The final CyberSecurityRumble scoreboard, with polyqu1ty at the seventh place

No sooner said than done

polygl0ts logo with polyquity logo overlaid

This week-end, polygl0ts will play as polyqu1ty. As a student group, we express our concerns about the suspension of the @polyquity.ch association and our support for @polyquity.ch's work on supporting women and gender minorities on campus.

Polygl0ts committee members transporting 300 bottles of Club Mate across campus

Everything is ready for LakeCTF finals!

[ascii art of an anthropomorphic racoon waving] Animal Krossing -escalate your privileges to read /flag - vulnerable kernel module -> /animal_krossing.ko (device: /dev/kross) - glhf ! This boot took 2.39 seconds

"On the quiet lake
A wise man contemplates
Tomorrow's puzzles
Stillness holds the key..."

The world class teams from the US and across Europe will arrive at EPFL to compete for the winning spot. 🏆 Organized by the IC School of EPFL and polygl0ts. More info 👉 lakectf.epfl.ch