KDE @kde.org Follow us on Mastodon!: https://floss.social/@kde
A worldwide technology community 🌍 Creators of the Plasma desktop & a variety of Free and open source applications that let you control your digital life.
Get more KDE news at https://floss.social/@kde
Proton @proton.me Choose a better internet where privacy is the default. Start protecting your personal information online with Proton Mail, Proton VPN, Proton Drive, Proton Pass, Proton Wallet, and Lumo: https://proton.me/
Matt Godbolt @matt.godbolt.org Sometime verb, real person, lover of 8-bit computers, husband & father, trying to be a kind person. #blacklivesmatter; trans rights are human rights.
he/him
ANSSI @anssi-fr.bsky.social Compte officiel de l'Agence nationale de la sécurité des systèmes d'information (ANSSI) | Retrouvez les alertes de #cybersécurité sur le compte @cert-fr.bsky.social
Pascal Junod @cryptopathe.me applied cryptographer - certified nerd god - head of cryptography & research at duokey - founder modulo p - ex-Snap - co-founder ex-strong.codes - has-been professor - trail runner - aidjolat
BreizhCTF 2025 @breizhctf.bsky.social #CTF 100% beurre salé.
Ouvert à tous, mais les places sont très prisées !
#BreizhCTF2025
Discord ➡️ http://discord.gg/ckaT65Qsfg
mcyoung 🏳️🌈 @mcy.gay a whimsicott crawled into your compiler and got stuck
call me sunny. yes! i am a furry artist!
⌨️ mcy.gay
🎨 art.mcy.gay
💰 art.mcy.gay/comms
🔞 @art.mcy.gay
📍Seattle, WA
Victor @victorcolomb.com 
x64dbg @x64dbg.bsky.social Official account for https://x64dbg.com
Duncan Ogilvie @mrexodia.bsky.social and 100+ other projects. Love binary analysis and Windows internals. Dreaming about doing open source full time...
Guillaume Hiet @guillaumehiet.bsky.social Professor at CentraleSupélec | Head of SUSHI Research Team (Inria/CentraleSupélec/CNRS/ENS Rennes) | IRISA Lab | Cybersecurity | Hardware/Software Security
gab 🇺🇦🇵🇸 @handle.invalid fka @gabbyroncone on twitter. mission tech lead for RU & Eastern European APT ops @Google. views expressed here are mine, not my employer’s. she/her.
@henri2h.bsky.social @henri2h.bsky.social 
Le Monde @lemonde.fr « Le Monde » est un journal français fondé par Hubert Beuve-Méry en 1944. C'est aussi un compte Bluesky qui poste l'actualité en continu de façon automatisée.
Zion Leonahenahe Basque @mahal0z.bsky.social Native Hawaiian Hacker | Prev Co-captain of @Shellphish | PhD Student in Comp Sci @ASU l Decompiler Research | https://mahaloz.re
Fight for the Future @fightforthefuture.org 👊 Battling techno-fascism with our Internet-savvy blend of attention-grabbing activism and mass mobilization.
https://www.fightforthefuture.org/2026
CERT-FR @cert-fr.bsky.social Centre gouvernemental et national de veille, d'alerte et de réponse aux attaques informatiques.
Pour toute question : cert-fr@ssi.gouv.fr ou par téléphone au 3218
Hex-Rays @hex-rays.bsky.social We make IDA, the leading tool for binary analysis, trusted by top cybersecurity teams for reverse engineering and malware defense.
Datadog Security Labs @securitylabs.datadoghq.com Read our Security Labs blog: https://securitylabs.datadoghq.com
Subscribe to our monthly newsletter: https://securitylabs.datadoghq.com/newsletters/
Phrack Zine @phrack.org since 1985
https://phrack.org
Lee Chagolla-Christensen @tifkin.bsky.social I like making computers misbehave. Does stuff at http://specterops.io.
Github: https://github.com/leechristensen
Mastodon: @tifkin_@infosec.exchange
Binary Ninja @binary.ninja https://binary.ninja/
Made with ❤️ by https://vector35.com/
Jonathan Salwan @jonathansalwan.bsky.social Program analysis, reverse engineering and vulnerability research at
Apple SEAR. Some other stuff on https://shell-storm.org and http://github.com/JonathanSalwan 
@trailofbits.bsky.social @trailofbits.bsky.social 
David B. - _p0ly_ @pol-y.bsky.social Security expert @Synacktiv
DJ @dj.phoking.gay KEYWORDS ➡︎ cats, console hacking, program synthesis, reverse engineering, the rest of the technical crap doesn’t really matter. Friend-shaped and loving. <3
she/her 🏳️🌈🏳️⚧️
Lafayette, Indiana
Fredrik Dahlgren @fegge.bsky.social Cryptography and static analysis @ Trail of Bits
Michael Rodler @f0rki42.bsky.social (he/him) Security Engineer/Researcher, PhD. AppSec, Fuzzing, Binary Analysis, Rust. Also 🤘🚴🥋👶
Tim Blazytko @mrphrazer.bsky.social Binary Security Researcher & Trainer
Website: https://synthesis.to
Romain Thomas (@rh0main) @rh0main.bsky.social Security engineer working on Android, reverse-engineering & obfuscation.
https://www.romainthomas.fr/ - https://obfuscator.re/ - https://lief.re
Areizen @areizen.bsky.social Reverse engineer @synacktiv.com. I appreciate Android related stuff
LLVM Weekly @llvmweekly.org A weekly email newsletter on developments in LLVM, Clang and related projects. Curated by @asbradbury.org
Izzy Muerte @izzys.casa Occult Programmer and Code Bruja. void* made manifest. "That CMake Expert"
Opinions are my own. 💥🏴💥
Find my webzone at https://izzys.casa
PFP by @tombofnull.bsky.social
professional rustacean 🦀🇺🇦🌻😷 @adhsec.bsky.social reverse engineering & vulnerability research, ex MWR Labs, generally bad at computers, memory safe(probably), OS internals/hypervisor/browser research and bug hunting r&d (❤️program/code analysis)🐞🔍 @adhsec on hellsite, they/them, enby, #AuDHD
Peter Goodman @cxx.dev C++ developer specializing in source and binary program analysis and transformation.
mBRS @not-mbrs.bsky.social Researcher at FBK | CybSec | Malware | RE | Neural Networks | MSc
stoerchl @stoerchl.bsky.social Threat Research @ HP
Tommy Madjar @ffforward.bsky.social Threat Researcher @ Proofpoint. Opinions are my own etc
Corsin @cocaman.ch it security & cyber guy, research @ https://ecrime.ch, friendly, swiss | Opinions are my own
Ole Villadsen @olevilladsen.bsky.social Threat researcher @ Proofpoint. Formerly IBM X-Force, CMU, US Government, US Navy. Views are my own.
Myrtus @malwareindepth.com Malware Researcher | Developer | @Cryptolaemus1
| @NVIDIA
Will happily talk about malware with anyone.
Joe Slowik @pylos.co Threat Intel / CTI / OT / ICS / Critical Infra stuff along with other things. I genuinely care, and wish others did too.
Website: pylos.co
Training/Consulting: paralus.co
Lenny Zeltser @lennyzeltser.com Builder of security products and programs. Teacher of those who run them.
https://zeltser.com
Will T @bushidotoken.net 🇬🇧 | Senior Threat Intelligence Advisor at Team Cymru | Co-author SANS FOR589 | Co-founder Curated Intel
J. A. Guerrero-Saade (JAGS) @jags.bsky.social VP of Intelligence and Security Research, Senior Technical Fellow (AI) @ SentinelOne.
Distinguished Fellow and Adj Professor @ Hopkins SAIS Alperovitch Institute. Three Buddy Problem Co-Host. LABScon Founder, Cyber Paleontologist, Fourth-Party Collector.
Pascal Gujer @evilmaid.bsky.social security researcher | speaker | trainer | lockpicking | evil maid attacks | maker | https://threema.id/MPK39EB8 | hands-on-security.com
ExecuteMalware @executemalware.bsky.social Malware analyst
Ian Kenefick @iankenefick.bsky.social Cybercrime Fighter 🛡Threat Intelligence 🕵🏻♂️ & Malware Analysis 🦠 Fortunate to work @ Trend Micro. Happy to help whenever possible.
Eric Wastl @was.tl Created http://adventofcode.com, http://compute-cost.com, http://anoik.is, http://was.tl/projects/; Principal Architect at https://acvauctions.com
alkali @alkalinesec.bsky.social mobile security / symbolic execution . he / him
ufo @uefo.bsky.social vim enjoyer
Uncle Joe @sydseter.com Co-leader OWASP Cornucopia. If you like what we do for open source, visit our code repository https://github.com/OWASP/cornucopia and give us a star ⭐
🌈 «Difference is of the essence of humanity» 🦄 – John Hume
#appsec #owasp #cornucopia #threatmodeling
Electronic Frontier Foundation @eff.org We're the Electronic Frontier Foundation. We're a nonprofit that fights for your privacy and free speech online. Find all of EFF's social media accounts at eff.org/social.
The Matrix.org Foundation @matrix.org Matrix is an open network for secure, decentralised communication. Please support at matrix.org/support
Signal @signal.org Signal is a nonprofit end-to-end encrypted communications app. Privacy isn’t an optional mode, it’s the way Signal works. Every message, every call, every time. https://signal.org/donate/
Internet Archive @archive.org Internet Archive is a non-profit research library preserving web pages, books, movies & audio for public access. Explore web history via the Wayback Machine. 
voydstack @voydstack.re VR @ Synacktiv, low level security enthusiast
https://voydstack.re/
Katie Paxton-Fear @insider.phd Dr, apparently. Security Adovcate @semgrep & Hacker. #BugBounty hunter & #infosec YouTuber. APIs & Interlinked OffSec, PhD in AI+Sec @hacknotcrime. she/her
Asky Character @asciicharacter.bsky.social This is a unique ode.
Randall Munroe @xkcd.com 
Nicolas Grégoire @agarri.fr Web hacker 😈
Burp Suite Pro trainer 👨🏫
Maintainer of @mastering-burp.agarri.fr 🛠️
Christophe Tafani-Dereeper @christophetd.fr Cloud and container security • Security research and open source at Datadog
🇨🇭🇫🇷
https://christophetd.fr
John Hammond @johnhammond.bsky.social Hacker. Friend. Cybersecurity Researcher at Huntress.
Quarkslab @quarkslab.bsky.social Securing every bit of your data
https://quarkslab.com
apkunpacker @apkunpacker.bsky.social Mobile Security Engineer at @Thales
GitHub @apkunpacker | RASP | R2Frida
radareorg @radareorg.bsky.social The official radare2 account in the Blueskyverse
Sam Thomas @xorpse.ghost.sh Program Analysis / Reverse Engineering
Website: https://xv.ax
Dan Goodin @dangoodin.bsky.social Cybersecurity Reporter, Ars Technica: https://arstechnica.com/author/dan-goodin/ Hungry for tips. Text me on Signal: DanArs.82. "The world isn’t run by weapons anymore, or energy, or money. It’s run by little 1s and 0s, little bits of data."
DEF CON @defcon.bsky.social The world’s premier hacker conference. Serving the global hacker community since 1993.
Defcon.org
Forum.defcon.org
Defcon.social
AJ Vicens @ajvicens.bsky.social Cybersecurity correspondent at Reuters; former Mother Jones, CyberScoop. Will bore you with skateboarding, UFO lore or Denver Broncos minutiae on request. Signal: ajvicens.57, additional contact methods: https://tinyurl.com/47jc45h7
ChiefGyk3D @chiefgyk3d.com #Cybersecurity and #InfoSec by Trade and content creator by night for #Tech, Cybersecurity, #IT, #Linux, #AmateurRadio, and #GamingonLinux
Twitch | YouTube | TikTok | Mastodon
CISSP
Socials and Tipping: https://links.chiefgyk3d.com/socials
#OpenSource
Thomas Lilja @tuxic.bsky.social All things Infosec. OT/ICS. Protector of critical infrastructure. Physical security. Locks. Hardware. Need. More. Time.
Chris Blask @chrisblask.bsky.social Hacker of the inevitability curves of life.
Raphaela Mettig @rmettig.com Researcher and PhD student. Personal account.
rmettig.com/about
ICS GmbH - Think Safe Think ICS @ics-gmbh.bsky.social IT/OT, CyberSecurity. CyberDefense, InfoSec, Safety, Pentest, IT-Security, KRITIS, ISO27001, IEC62443, DSGVO, SECIRA©, TISAX®
High Dependability Engineering für Software und Systeme, Industrial Engineering, Mobility, Railway
Joseph Januszewski, III @jjanuszewski3.bsky.social Security, Control Systems, Protocols, Networks, Servers, Clients, AI, Energy, etc. Miss Radio Shack, BYTE and Midnight Engineering. 
Michael Rodriguez @duckie042.bsky.social Manager @Mandiant @Google Public Sector, Mission Control @ Google Space, Defcon Goon, #ThruntCon Board Member
MITRE ATT&CK @attack.mitre.org MITRE ATT&CK® - A knowledge base for describing the behavior of adversaries. Replying/Following/Reposting ≠ endorsement.
Sean Lyngaas @snlyngaas.bsky.social Cybersecurity reporter, CNN. Signal +1-202-355-8471 or SNLyng.11. sean[dot]lyngaas@cnn[dot]com|slyngaas@proton[dot]me
Beau Woods @beauwoods.com hack all the cybers
d0ntrash @d0ntrash.bsky.social Security Researcher @neodyme.io | CTF, Fuzzing, Embedded Security
hypr @hyprdude.bsky.social vuln researcher+exploit dev | bordeaux enjoyer | friend of all cats | him/he | https://blog.coffinsec.com
Izobashi @izobashi.bsky.social Security researcher at the ZDI
Izobashi.info
b1ack0wl @b1ack0wl.com 0day Researcher @ ████████████ / Baker / 0wl
// I post random things on here
Lord To3t @to3t.bsky.social Hardware, ICS/OT, securing the blinky stuff
Sergio Caltagirone @intel.bsky.social Georgia Tech Professor. Cyber threat intelligence and cybersecurity professional - former NSA, Microsoft, and Dragos. President of the Threat Intelligence Academy. #FSD 🦆 Formerly @cnoanalysis on Twitter
Anderson Nascimento @andersonc0d3.bsky.social Director & Security Researcher @alleleintel.com
Blog: https://blog.andersonc0d3.io
cleptho @cleptho.bsky.social Offensive Security | Вічна пам'ять / Вечная память
https://twitter.com/cleptho | https://infosec.exchange/@cleptho
@bolster2k.bsky.social @bolster2k.bsky.social 
@fly1ngwolf.bsky.social @fly1ngwolf.bsky.social 
Ange @angealbertini.bsky.social Reverse engineer, file formats expert.
Corkami, CPS2Shock, PoC||GTFO, Sha1tered, Magika...
Security engineer @ Google. He/him.
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/
James Forshaw @tiraniddo.dev Security researcher in Google Project Zero. Author of Attacking Network Protocols. Posts are my own etc. 
André Moulu @andremoulu.bsky.social Android Security Researcher @ Cellebrite
Clément Labro @itm4n.bsky.social Pentest & Windows security research
Quentin Kaiser @qkaiser.bsky.social offensive security research, embedded systems, weird file formats and all things RTOS
Aleksandar Milenkoski @milenkowski.bsky.social Threat Research | Threat Intelligence | PhD | European Commission Marie Curie Research Fellow 2011-2014 | https://milenkoski.com | Personal Profile
Pwn20wnd @pwn20wnd.bsky.social Hacker @uncOverTeam. Jailbroke iOS 11.0-14.8.
Helping Apple make iOS more secure by uncOvering real security issues. #uncOver