HackDayCTF 2025 Finals

The HackDay challenge is a French cybersecurity competition for graduate students.

The 25 teams selected during the online qualification phase will be invited to compete during the grand final, which will take place on-site within the ESIEE Paris engineering school.

The categories are: Crypto, Forensic, Hardware, WEB, Stegano, Reverse and more !

The three winning teams will be rewarded with many prizes, and professional proposals from our sponsors.

This year's edition is by Orange Cyber Defense, Holiseum, Synacktiv and more !