Antoine Gql @_bluesheet
Chief Stagiaire Officer (titre honorifique) @Synacktiv bluesheet.fr Joined February 2015-
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Merci pour ce lab de qualité !!
Let's go to Poland ! 🚀
For the final talk of the Synacktiv track, @_bluesheet and Oposs give a retex on post-quantum cryptography #SSTIC2025
To those who set the bar 🥂 Global Cyber Skills Benchmark 2025 is over, and the leaderboard has spoken. Huge congrats to the top corporate #cybersecurity teams who crushed it in this global competition: 🥇 @Synacktiv 🥈 @GMOsecurity24 🥉 downscope.org #HackTheBox…
For the second year in a row, we managed to get first place at the #HackTheBox Business #CTF 2025! 🥇 Congratulations to @gmo_ierae and Downscope and thanks to @hackthebox_eu for the fun challenges! 🥳
On passe à la deuxième place de ce #BreizhCTF 2025, qui revient à l'équipe de @Synacktiv 🥈
Following the release of IPSpinner last week, now is the time to unveil CaptainCredz! Perform advanced, fine-grained password spraying while remaining under the radar for your next Red Team engagement 🔥 github.com/synacktiv/capt…
A few months ago, Microsoft released a critical patch for CVE-2024-43468, an unauthenticated SQL injection vulnerability in SCCM/ConfigMgr leading to remote code execution, discovered by @kalimer0x00. synacktiv.com/advisories/mic…
🇫🇷🎙️Nouvel épisode du podcast Hack'n Speak avec @_p0ly_ & @vdehors triple vainqueurs de la Pwn2Own 🏆🏆🏆 Au programme, un retour d'expérience sur le hacking de Tesla et des anecdotes croustillantes 🚗 Bonne écoute à toutes et à tous 🎶 podcasters.spotify.com/pod/show/hackn…
The next article by @_bluesheet in our post-quantum series tackles hash-based signature schemes, including XMSS and the freshly standardized SLH-DSA (aka SPHINCS+). Sometimes, you don't need fancy maths to build robust schemes! synacktiv.com/publications/q…
🏆 Our third and final competition winner is @b0l0k_! 🏆 A huge bravo to him, he wins an @offsectraining prize. And a big bravo to the other 5 prechall solvers, they win #GreHack24 tickets : 🏅 @Unblvr1 🏅 @_Worty 🏅 @Elweth_ 🏅 bluesheet 🏅 @aituglo
Louis Wolfers (@TG91aXMK) and Quentin Roland (@croco_byte) identified a pre-authenticated path traversal vulnerability (CVE-2024-21136, CVSS 8.6) affecting Oracle Retail Xstore Suite. It was fixed in the July 2024 Oracle Critical Patch Update. synacktiv.com/advisories/ora…
How to use QubesOS for journalists, the Guardian way theguardian.com/info/2024/apr/…
Prix Entreprise 🏅 Bravo à l'équipe @Synacktiv pour sa première place dans la catégorie entreprise !
We finally got the first place during #HackTheBox #BusinessCTF24! Congratulations to all ninjas 🥳
We also won @BreizhCTF 2024, what a week!
We also won @BreizhCTF 2024, what a week!
#SaveTheDate 🏆 Le France Cyber Security Challenge #FCSC est de retour. 🗓️ RDV du 5/04 au 14/04. 🏛️ Entraînez-vous dès à présent sur la plateforme #Hackropole pour être au top le jour-J. 🔗 hackropole.fr/fr/ Prêts à relever le défi ?
Only a few days until #Pwn2Own Automotive in Tokyo. Our ninjas will bring some interesting entries with them ;)
Bored of managing multiple proxychains configurations? @hugoclout developed bbs, a swiss army knife proxy manager for red teamers! The project is available on our GitHub: github.com/synacktiv/bbs

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