Bravo à nos quatre équipes qui se qualifient pour la finale ! 🔥 Arn'Hack qui arrive en seconde place ! Breizh'hell qui prend la 6ème Mother I'd Like to Flag en 8ème et enfin Flop.py en 23ème Bravo ! Direction la finale !🏴‍☠️

Trois de nos membres ont participé à la THConvention 2023 !🔥 Ils se placent fièrement 3èmes et 11èmes ! Bravo à xThaz ,0xColombe et xanhacks !

GCC frappe encore ! CTF ESAIP n'a pas résisté ! 🔥🏴‍☠️ Des anciens étudiants de l'@ENSIBS terminent 1ers PRO ! Arn'Hack fini première équipe étudiante ! 🔥 Breiz'Hell termine 2è au classement étudiant ! 🔥 Mother I'd Like to Flag termine 11è ! 🔥 Merci aux organisateurs !

PwnME Final has ended, GCC ranked 10th 🔥 ! It was a pleasure competing with the best european 🇪🇺 Teams ! 🏴‍☠️ GG to Drahoxx , xThaz ,WooT and Shadowwws !

La finale du Midnight Flag CTF se termine sur un classement dont nous sommes fiers ! 🇫🇷 Arn'Hack fini 3ème ! 🥉 Breiz'Hell fini 6ème ! 🚀 flop.py fini 12ème ! 🚀 GG à tous ! Merci aux organisateurs (ESN'HACK ESNA de Bretagne ) ! 👏

GCC is striking at thehackerscrew 's CTF ! 🔥 We ranked 9th ! 🚀 Thank you for this awesome CTF, challenges were really cool ! < 3 Congrats to everyone ! 👏

Here is a write-up of a fun web challenge from the securinets CTF I worked on with xanhacks and xThaz, featuring CRLF injections and service worker cache poisoning. log-s.xyz/posts/securine… Enjoy 😁

🥉Very glad of our 3rd place at securinets QUALS 2023 ! You can find a WU for the challenge 0 CSP by a member of our team ⤵️

I've made a write-up a few months ago on how I exploited an unintended way to root an hard rated HTB machine at the HTB Business 2023. I also managed to re-exploit the unintended on the patched machine. It is now available on the GCC-ENSIBS new website. gcc-ensibs.fr/write-ups/xtha…

We also have a team of ninjas for the European Cyber Week finals tomorrow in Rennes 🥷🐙! Good luck 💪

Congratz to our ninjas 🥷 for winning the European Cyber Week finals in the professional category!

🥳 After a hard fought 1st place at the Hack The Box University 2023 CTF with the GCC-ENSIBS team, here is my writeup of the hard rated challenge Umbrella. 💻This Windows box covered SAML Auth, Postgres RCE, Scheduled tasks, and more ! log-s.xyz/posts/hacktheb…

Our ninjas have been busy this weekend! The team solved all the challenges during #HTB #CyberApocalypse24, giving them 3rd place for now, while F4b scored the THConvention pre-challenge. Congratz! 🔥

We're doing better than last year with a good 4th place in the BreizhCTF 2025 ! 🔥🔥 A big thank you to the organizers, and count on us to do even better next year 👀 Tek_ Thib xanhacks xThaz Log_s | Léo Desmonts

We finally got the first place during #HackTheBox #BusinessCTF24! Congratulations to all ninjas 🥳

📣 🔢Gagnants #CTF BarbHack 2024 ! 🥁🥁🥁 🏅PiouPiou 🐥 🥈Synacktivre 🥉Orange Cyberdéfense Et 4èmes : APT34 👏 Félicitations à tous, rdv en 2025 ! #barbhack24 #ctf #winners ▶️ barbhack.fr

On passe à la deuxième place de ce #BreizhCTF 2025, qui revient à l'équipe de Synacktiv 🥈

For the second year in a row, we managed to get first place at the #HackTheBox Business #CTF 2025! 🥇 Congratulations to GMOサイバーセキュリティ byイエラエ株式会社【公式】 and Downscope and thanks to Hack The Box for the fun challenges! 🥳