David Buchanan @retr0.id reverse engineering, cryptography, exploits, hardware, file formats, and generally giving computers a hard time
Fedi: @retr0id@retr0.id
Macroblog: https://www.da.vidbuchanan.co.uk/blog/
Louis @tg91axmk.bsky.social 🥷 @ Synacktiv
@jb-ms.bsky.social @jb-ms.bsky.social 
ValekoZ @valekoz.bsky.social Ninja reverser at @Synacktiv.com
BreizhCTF 2025 @breizhctf.bsky.social #CTF 100% beurre salé.
Ouvert à tous, mais les places sont très prisées !
#BreizhCTF2025
Discord ➡️ http://discord.gg/ckaT65Qsfg
face0xff @face.0xff.re vulnerability researcher · reverse engineer · Ⓥ🌱
https://0xff.re/
Zeecka 🥀 @zeecka.bsky.social Security Researcher - #OSCP #OSWE - Former @ENSIBS,
CTF Player, @AperiKube member,
Author of http://aperisolve.com
Aska @flutsunami-is-aska.bsky.social Former RE team lead
@synacktiv - Former @AirbusSecLab lead
Collector of Quote
@tmbinc.bsky.social @tmbinc.bsky.social 
JB @jbcayrou.bsky.social Security expert @Synacktiv
Quentin M @0xdagger.bsky.social Security ninja
Cabir @cabir.bsky.social Infosec @ pirates
Advanced Fuzzing League @aflplusplus.bsky.social We want to make fuzzing better and better
Follow for updates on AFL++ & LibAFL
stacksmashing @stacksmashing.bsky.social Security researcher with a focus on hardware & firmware. I occasionally publish stuff on YouTube. Co-founder of
hextree.io. Contact: contact@stacksmashing.net
TrendAI Zero Day Initiative @thezdi.bsky.social TrendAI Zero Day Initiative™ (ZDI) is a program designed to reward security researchers for responsibly disclosing vulnerabilities.
Deus ex Silicium @dexsilicium.bsky.social Micro-électronique / Semi-conducteurs / Microscopie électronique / Scanner rayons X / Ingénierie inverse hardware / Ondes électromagnétiques / Science / Youtube
youtube.com/dexsilicium
Nishacid @nishacid.bsky.social Yo
Gynvael Coldwind @gynvael.bsky.social Security researcher/programmer ⁂ Managing director @ HexArcana ⁂ @DragonSectorCTF founder ⁂ he/him
Azeria @azeria-labs.com Founder of Azeria Labs, Trainer, Author of Blue Fox: Arm Assembly Internals & Reverse Engineering
cts @gf256.bsky.social Hacker and meme enjoyer
Hexacon @hexacon.bsky.social Offensive security conference in the heart of Paris. 10-11th October 2025
https://www.hexacon.fr/
Ange @angealbertini.bsky.social Reverse engineer, file formats expert.
Corkami, CPS2Shock, PoC||GTFO, Sha1tered, Magika...
Security engineer @ Google. He/him.
Robin @digi.ninja Hacker, coder, climber, runner, triathlete.
Always learning.
Co-flounder of SteelCon
SinSinology @sinsinology.bsky.social Pwn2Own 20{22,23,24,24.5}, i look for 0-Days but i find N-Days & i chase oranges 🍊
https://summoning.team/
nicoski @nicoski.bsky.social Security enthusiast: RE, VR, exploits and stuff
cleptho @cleptho.bsky.social Offensive Security | Вічна пам'ять / Вечная память
https://twitter.com/cleptho | https://infosec.exchange/@cleptho
Sébastien Dudek 📡 @fluxius.bsky.social Founder of the PentHertz Company (@penthertz.bsky.social), specializing in networks and computer security engineer in #Wireless systems, #SDR, #Mobile, #CarHacking and #IoT
Romain Thomas (@rh0main) @rh0main.bsky.social Security engineer working on Android, reverse-engineering & obfuscation.
https://www.romainthomas.fr/ - https://obfuscator.re/ - https://lief.re
xarkes @xark.es IT & Hacking https://xark.es/
F4b @0xf4b.bsky.social VR team tech lead @synacktiv.com
Pierre Bienaimé @bienai.me 
G4n4 @g4n4.bsky.social <3 Python. Break stuff for fun !
blackndoor @blackndoor.bsky.social 
Mehdi Talbi @mtalbi.bsky.social 
@cfreal.bsky.social @cfreal.bsky.social 
@sigabrt9.bsky.social @sigabrt9.bsky.social 
$in @sin-infosec.bsky.social Infosec / Crypto / CTF
Areizen @areizen.bsky.social Reverse engineer @synacktiv.com. I appreciate Android related stuff
David B. - _p0ly_ @pol-y.bsky.social Security expert @Synacktiv
myr @myr463.bsky.social Security researcher @Synacktiv.com ⛩️
voydstack @voydstack.re VR @ Synacktiv, low level security enthusiast
https://voydstack.re/
Synacktiv @synacktiv.com Offensive security company. Dojo of many ninjas. Red teaming, reverse engineering, vuln research, dev of security tools and incident response.
Romain || BZHugs @jouetromain.fr 📍Rennes
mpgn @mpgn.bsky.social Flibustier du net ̿ ̿̿'̿'\̵͇̿̿\=(•̪●)=/̵͇̿̿/'̿̿ ̿ ̿ ̿
Podcast Hack'n Speak http://anchor.fm/hacknspeak
Github https://github.com/mpgn
Swissky @swissky.bsky.social RedTeam | Pentest
Author of PayloadsAllTheThings & SSRFmap
http://github.com/swisskyrepo
Nicolas Grégoire @agarri.fr Web hacker 😈
Burp Suite Pro trainer 👨🏫
Maintainer of @mastering-burp.agarri.fr 🛠️
Bellingcat @bellingcat.com Bellingcat is a global collective uncovering facts to hold power to account. Our work is independent. Our methods are public. Our community is global.
Want to support our charity? bellingcat.com/donate
Geluchat @gelu.chat Baptiste Devigne | Bug Bounty Hunter | Most Impactful Team H1-0131 (AWS) | Eradicator H1-6102 (Salesforce)
🔗My blog https://gelu.chat/
Sylvain HAJRI @navlys.bsky.social Passionate about #OSINT.
Founder of epieos.com, a powerful reverse email/phone lookup OSINT tool.
lehack.org #OsintVillage Founder,
osintfr.com co-founder
chompie @chompie.rip hacker, poster, weird machine mechanic
https://chompie.rip
Gareth Heyes @garethheyes.co.uk Web security researcher at PortSwigger. Author of JavaScript for Hackers, Shazzer and Hackvertor.
https://garethheyes.co.uk/#latestBook
James Kettle @jameskettle.com Director of Research at @portswigger.net
Also known as albinowax
Portfolio: https://jameskettle.com/
Light @vrome.bsky.social Just another InfoSec guys Aka Light 
W00dy @woody.sh Reverse @ Synacktiv | CTF w/ TFNS
newsoft @newsoft.bsky.social Hacker, cyber security expert, troll, etc.
Elweth @elweth.bsky.social probably doing something useless
Laluka @laluka.bsky.social https://linktr.ee/TheLaluka
Sharing is Caring, Hacker, Eternel Learner, Cat! =^~^=
Mathis Hammel-Brylinski @mathishammel.bsky.social Programmation compétitive, cybersécurité & IA.
Co-fondateur & CTO @agoratlas.com, agence d'analyse des réseaux sociaux à grande échelle.