Challenge Champion Sponsor
Group shot including @Hack 2025 winning teams, organizers, volunteers, and sponsors
Hosted by TECHNATION and Hexploit Alliance, a graduate student-led cybersecurity group at Concordia University, @Hack (“At Hack”) is one of the largest cybersecurity student hackathons in Canada.
This annual event welcomes hundreds of cybersecurity enthusiasts to Concordia’s downtown Montréal campus for a weekend filled with unique cybersecurity challenges.
The event took place at Concordia University, Montreal on March 1st-2nd, 2025.
The second of its kind, this year introduced all new super fun and mind-glitching challenges, with a beginner track for CTF first timers.
Grab your friends, form a team, and get ready to hack your way to glory.
Watch our intro workshop with tips and tricks for new participants.
Watch on YouTube →All competition rules, scoring, and challenge formats.
Download PDF →Explore our official CTF challenges and community write-ups.
View on GitHub →Track team rankings and points in real time during the CTF.
Open scoreboard →
Hexploit Alliance and TECHNATION extend their heartfelt gratitude to you, the participants, for your pivotal role in making @ Hack a success. We owe a special debt of gratitude to the visionary figures who have been instrumental in this journey: Dr. Mourad Debbabi, Dr. Aiman Hanna, and Dr. Carol Fung. Our appreciation also extends to the administration at Concordia University and the dedicated volunteers whose unwavering support has been crucial in orchestrating the event.
![3 ½ français [PolyCyber]](/assets/img/winners/main_reg_3.jpg)
