Jérémy Jean @cryptanalyse
Cryptographer @ANSSI_FR / Coach for #ECSC #TeamFR. Admin #Hackropole. Tweets are my own. 🦋 https://t.co/iVmgyw8uW5 hackropole.fr Joined June 2019-
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#FCSC | 🐓 Jeune Padawan ou Jedi de la #crypto, Jérémy, expert de l'ANSSI, a quelques conseils pour toi. Ils te serviront à relever certaines épreuves du France Cybersecurity Challenge, et pas seulement… 😉
The #FCSC starts in two weeks. Get ready! Many challenges will be released ranging from beginner-friendly to expert level. Most of the content will be available in English for our non French-speaking friends. 💙 🔗Join us at fcsc.fr for the prechall! 🚀
#Recrutement | 🇫🇷 Rejoindre l’ANSSI, c'est contribuer à la sécurité de la Nation. C'est aussi incarner l’excellence française en matière de #cyberdéfense. Bref, l'ANSSI recrute : 🔗 talents.ssi.gouv.fr/offresdemploi
Save the date and get ready for FCSC 2025 (April 18-27)! In the meantime, train on Hackropole, our challenge archives! More than 430 challenges in all categories (crypto, rev, pwn, web, ...) and for all skill levels (from beginners to expert).🏛️ 🔗 hackropole.fr
Save the date and get ready for FCSC 2025 (April 18-27)! In the meantime, train on Hackropole, our challenge archives! More than 430 challenges in all categories (crypto, rev, pwn, web, ...) and for all skill levels (from beginners to expert).🏛️ 🔗 hackropole.fr
#ECSC2024 | Accompagnée des coachs de l'ANSSI, la @ECSC_TeamFrance 🇫🇷 est arrivée à Turin, prête à affronter les épreuves de l'European Cybersecurity Challenge. 💪 N'hésitez pas à les encourager en commentaire !
📢Découvrez la sélection de la #TeamFrance2024 ! 🇫🇷 Les joueurs défendront nos couleurs lors de la prochaine édition de l'#ECSC2024 à Turin, en Italie. 🔔Rendez-vous du 7 au 11 octobre 2024.
Please join us! We have prepared a lot of technical challenges (rev, pwn, crypto, web, hardware, etc.) that should entertain everybody, from beginners to experts! ➡️france-cybersecurity-challenge.fr
Please join us! We have prepared a lot of technical challenges (rev, pwn, crypto, web, hardware, etc.) that should entertain everybody, from beginners to experts! ➡️france-cybersecurity-challenge.fr
I'm very glad to share this new plateform! 🎉 #Hackropole collects nearly all the challenges that we have made since 2019 for the FCSC, the French CTF acting as a qualifier for the #ECSC. Hackropole is available in both French 🇫🇷 and English 🇬🇧. Enjoy! 🏛️hackropole.fr
I'm very glad to share this new plateform! 🎉 #Hackropole collects nearly all the challenges that we have made since 2019 for the FCSC, the French CTF acting as a qualifier for the #ECSC. Hackropole is available in both French 🇫🇷 and English 🇬🇧. Enjoy! 🏛️hackropole.fr
J'ai eu le plaisir de répondre à des questions sur le FCSC et sur la participation de la Team France @ECSC_TeamFrance à l'#ECSC2023 pour le journal Le Monde @lemondefr ! L'article est en ligne ici (malheureusement paywalled) : lemonde.fr/pixels/article…
[#ECSC2023] J-5 avant le départ en Norvège ! 🏆 Découvrez les 4 coachs de l'équipe de France ci-dessous. @ECSC_TeamFrance💪 Envie d’en savoir plus ? Rendez-vous ici 👇cyber.gouv.fr/france-cyberse… 👀 @openECSC & @enisa_eu #ANSSI #ECSC2023 #TeamFrance
📸 Retour en images sur l’entraînement de la #TeamFrance #ECSC Bravo à tous les participants et merci à l' @enisa_eu pour l’organisation de cet événement inédit 👏 Rendez-vous en Norvège du 24 au 27 octobre 2023 ! #CTF #SSI #cybersécurité
A l’occasion du @sstic, l’@ANSSI_FR et @CryptoExperts ont présenté CRY ME, une plateforme de messagerie sécurisée contenant de multiples vulnérabilités #cryptographiques à des fins pédagogiques. Cet outil est maintenant partagé en open source 👉 github.com/ANSSI-FR/cry-me
Today, @ANSSI_FR and @CryptoExperts present CRY-ME, a messaging app cryptographic challenge, at the SSTIC symposium 🎤 The challenge has been open-sourced at github.com/ANSSI-FR/cry-me 👀 Try it out to challenge your crypto skills 🥷
[#FCSC2023] 📣 Après quatre jours d'épreuves voilà un premier état du scoreboard du challenge. 🦕 🕵️ Sur les 81 épreuves, 2 n'ont toujours pas été résolues. Vous pouvez suivre les résultats en direct ⬇ france-cybersecurity-challenge.fr #CTF #cybersécurité #SSI
📣 FCSC J-7 : inscrivez-vous dès maintenant pour l’édition 2023 et relevez le défi de l’épreuve teasing ! ➡ france-cybersecurity-challenge.fr
📣 Il revient ! Vous aussi vous êtes impatients que les portes du #FCSC2023 s’ouvrent ? 🦖 📆L'évènement France Cybersecurity Challenge marque son grand retour le 21 Avril 2023. Plus d'info 👇 ssi.gouv.fr/agence/cyberse… #FCSC2023 #CTF #CHALLENGE
Members from past ECSC Team France played the Insomni'hack Teaser CTF and we ranked 4th! Thanks @1ns0mn1h4ck for the organization and congrats to @justCatTheFish, 0daysober and @p4_team! We hope to see you all in Lausanne! md5("TeamFR_alumni") = 18b72b5a06dcd23f498e6e6339159924

Kévin GERVOT (Mizu) @kevin_mizu
6K Followers 755 Following Researcher for @ctbbpodcast lab 🐛 | DOMLogger++ developer 👨🏻💻 | CTF with @FlatNetworkOrg, @rhackgondins 🦦 | @ECSC_TeamFrance 2023 🇫🇷
Charlie Bromberg « ... @_nwodtuhs
15K Followers 653 Following Trying to hack the way we hack things 🏴☠️
voydstack @voydstack
2K Followers 929 Following 🥷 @Synacktiv | CTF with @RMUBYGG, @Hexagonctf, @ECSC_TeamFrance 20/21/22/23/24
Worty @_Worty
3K Followers 555 Following Organizer of @HeroCTF || ctf w/ @FlatNetworkOrg || TeamFR 2021, 2022 & 2025 🇫🇷 || 🥷 @Synacktiv
Root-Me @rootme_org
20K Followers 480 Following Root Me allows everyone to test and improve their knowledge in computer security and hacking. Legal. Free. Realistic. Discord: https://t.co/G6y1wDrdOn
Mayfly @M4yFly
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Ech0 @ech0re
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La Brosse Adam @adam_le_bon
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baguette @pwn2baguette
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2K Followers 6K Following Pentester | Ex MD (Intensivist) | (Black) Arch Linux enthusiast - AD - MalDev | DCS, Gaming/VR/MR, Metal+++, Geopolitics, Defense #avgeek Opinions are my own
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Jimmy @TemplarOfficiel
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Louis L @LouisL4548
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Jatin Gupta @jatingupta9905
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Martin @crepejambon
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TD @td_132
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Sumit Alam Khan @Tsumiiiiiiii
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Giap Vu 🇻🇳 @realG14pppp
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rompiche @rompiche12
28 Followers 177 Following
Chackal (Esdras DAGO) @Chackal__
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d0t pwn3d @d07pwn3d
1 Followers 13 Following Prononcez dotteu-pawnèd, le boug au fond de la salle qui touche un peu à terraform, k8s, ansible et toute la famille Membre de Téma la taille du r'hack (CTF)
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33 Followers 369 Following PhD Student at the UCL Crypto Group @UCLouvain_be
0xBachi @0xBachi_
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Une Dix @UneDix
129 Followers 2K Following Pour des tweets bio dégradable - Les réactions spontanées ne sont pas inscrites dans les hiéroglyphes Cheese Enforcement Agency
Éd.io @drink_io
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M2cr @christalmiak
29 Followers 283 Following OTN Tech, Congo Telecom🕵️👨🔧 There is some fiction in your truth, and some truth in your fiction
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508 Followers 3K Following
fr0g @fr0gJMP
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EL HADJI MALICK MBODJ... @el_boiee
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Zhudan @Zhudan5
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Laluka@OffenSkill @TheLaluka
5K Followers 1K Following Sharing is Caring, Hacker, Eternel Learner, Cat! =^~^=
Kévin GERVOT (Mizu) @kevin_mizu
6K Followers 755 Following Researcher for @ctbbpodcast lab 🐛 | DOMLogger++ developer 👨🏻💻 | CTF with @FlatNetworkOrg, @rhackgondins 🦦 | @ECSC_TeamFrance 2023 🇫🇷
voydstack @voydstack
2K Followers 929 Following 🥷 @Synacktiv | CTF with @RMUBYGG, @Hexagonctf, @ECSC_TeamFrance 20/21/22/23/24
0xor0ne @0xor0ne
81K Followers 514 Following | CyberSecurity | Reverse Engineering | C and Rust | Exploit | Linux kernel | PhD | My Tweets, My Opinions :) |
Worty @_Worty
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Root-Me @rootme_org
20K Followers 480 Following Root Me allows everyone to test and improve their knowledge in computer security and hacking. Legal. Free. Realistic. Discord: https://t.co/G6y1wDrdOn
Mayfly @M4yFly
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chompie @chompie1337
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Trend Zero Day Initia... @thezdi
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LiveOverflow 🔴 @LiveOverflow
155K Followers 1K Following wannabe hacker... he/him 🌱 grow your hacking skills @hextreeio
IACR @IACR_News
12K Followers 4 Following The International Association for Cryptologic Research (IACR) is a non-profit scientific organization in the field of cryptology and related fields.
Ech0 @ech0re
3K Followers 519 Following Your friendly neighbourhood cypherpunk, ex @rootme_org president, @polkadot validator, reverse engineer
GreHack @GrehackConf
5K Followers 1K Following GreHack is a hacking & scientific infosec conference in Grenoble, France. Nov. 28 & 29, 2025
Project Zero Bugs @ProjectZeroBugs
35K Followers 0 Following A bot that posts the latest blog posts and disclosures from Google's Project Zero
Curiosity @MAstronomers
1.4M Followers 114 Following Curiosity-driven content across science, history, and culture. Sharing knowledge and stories that spark curiosity. ct: [email protected] Sub for only $3⤴️.
Gabriel Thierry @gabrielthierry
3K Followers 4 Following Journaliste, aux manettes de @pwned_fr, intéressé par #cybercrime, #tech et #geopolitique | [email protected] https://t.co/d3C1fHpH5r
MathMatize Memes @MathMatize
43K Followers 279 Following Started from the axioms now we’re here. Original memes.
scryh @scryh_
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Hack'n Speak @hacknspeak
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Bogdan BODNAR @bogdandebodnar
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Brad Spengler @spendergrsec
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Robert Xiao @nneonneo
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Manfred Paul @_manfp
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OpexNews @OpexNews
116K Followers 2K Following 👁 Comprendre et faire vivre les enjeux de #défense, de la #BITD et du renseignement | Activez les notifications 🔔
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Pascal Lafourcade @Pascalafourcade
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Le Monde @lemondefr
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Alex_ @Alex_ctf_
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culturepub @culturepub
220K Followers 2K Following Chaque jour, on vous fait découvrir le meilleur de la planète pub. 🌎 #CulturePub #CultureWeek #InnovationPub #MaCulturePub
Unité nationale cybe... @CyberGEND
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17K Followers 229 Following Co-fondateur Start&Brand (agence CRO) : nous aidons les marques Ecommerce (+1M€ CA/an) à augmenter leur revenu par visiteur (AOV, Taux de conversion, Recurring)
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HackerOne @Hacker0x01
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2.2M Followers 1 Following Do not submit any personal photos that you do not want to be made public. Terms and conditions apply. https://t.co/WWtgLUfRED
RATP Group @RATPgroup
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Michael Kerrisk @mkerrisk
2K Followers 316 Following Linux trainer/consultant (https://t.co/q0qGJ0lpZC). Author of The Linux Programming Interface (https://t.co/4SLioVX5Bi).
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39 Followers 148 Following Cryptography expert at @ANSSI_FR (PhD @ENS_Ulm). #cryptography #research #cybersecurity
Ligne 6 @Ligne6_RATP
56K Followers 32 Following Trafic en temps réel, travaux & événements... Retrouvez-nous tous les jours sur votre #ligne6 ! La #RATP est opérateur de mobilités pour @idfmobilites.
Ligne 7 @Ligne7_RATP
41K Followers 31 Following Trafic en temps réel, travaux & événements... Retrouvez-nous tous les jours sur les #ligne7 #ligne7bis ! La #RATP est opérateur de mobilités pour @idfmobilites.
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138 Followers 218 Following Maths and Computer Science Teacher. Cryptographer. Science Lover.
kylebot @ky1ebot
6K Followers 319 Following CTF player @Shellphish | PhD Student @ASU | @angrdothorse dev | Author of how2heap | Vulnerability Research Hobbyist | @[email protected]
Complots Faciles @ComplotsFaciles
368K Followers 0 Following Si tu n'es pas un mouton, suis nous. NOUS SACHONS !
Kalmarunionen @kalmarunionenDM
2K Followers 88 Following KalmarCTF 2025: https://t.co/8NHWhF6mHU Homepage: https://t.co/R1QLSkNBhi CTFtime Link: https://t.co/UZqSKg6yJ6
Adam Blatchley @AdamBlatchley
23 Followers 5 Following PhD Student @ Aarhus Crypto Group | Captain @ Kalmarunionen CTF Team | Defcon CTF Captain 2021, 2023
Marco Squarcina @blueminimal
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Jens Myrup Pedersen @jens_myrup
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