Joanna Rutkowska @rootkovska.bsky.social https://tracesofhumanity.org
Previously: Golem Foundation/Wildland, Qubes OS, hardware/virtualization/OS security research.
@darkamaul.bsky.social @darkamaul.bsky.social Security Engineer @ Trail Of Bits
diversenok @diversenok.bsky.social Aspiring Windows security researcher & system programmer; student.
GitHub: https://github.com/diversenok
@trailofbits.bsky.social @trailofbits.bsky.social 
xarkes @xark.es IT & Hacking https://xark.es/
Cindʎ Xiao 🍉 @cxiao.net professional strings(1) operator
rust reverse engineering training -> @decoderloop.com
she/her or they/them
🏳️🌈😎
personal account! views are mine.
en_CA/zh_CN/fr_CA
https://cxiao.net
https://infosec.exchange/@cxiao
JetBrains @jetbrains.com On a mission to make software development a more productive and enjoyable experience. Make it happen. With Code.
Binary Ninja @binary.ninja https://binary.ninja/
Made with ❤️ by https://vector35.com/
@epsilon-sec.com @epsilon-sec.com twitter : @epsilon_sec
web site : epsilon-sec.com
Michal Melewski @carste1n.bsky.social Security Engineer @ Cloudflare,
ex-Google ISE,
I use bad software and bad machines for the wrong things.
My writing: https://carstein.github.io
Cornelius Aschermann @is-eqv.bsky.social Fuzzing & stuff https://hexgolems.com
Nicolò Altamura @nicolo.dev Reverse Engineer focused on decompilation, disassembly, and software internals.
Website: https://nicolo.dev/en/
b1ack0wl @b1ack0wl.com 0day Researcher @ ████████████ / Baker / 0wl
// I post random things on here
netspooky @vacci.ne knuck if you buck
https://n0.lol
Recon @reconmtl.bsky.social Recon is the premier Reverse Engineering and Security conference held annually in Montreal. https://recon.cx
x64dbg @x64dbg.bsky.social Official account for https://x64dbg.com
Botconf @botconf.infosec.exchange.ap.brid.gy The Botnet and Malware Ecosystems Fighting Conference
14th ed - Workshops (27th) & Conference (28th-30th) April 2027 in Vannes - Golfe du Morbihan, France
🌉 bridged from ⁂ https://infosec.exchange/@botconf, follow @ap.brid.gy to interact
Blackhoodie @blackhoodie.bsky.social Blackhoodie is a free, women-only reverse engineering workshop. Check our website for infos! #BHRE
Web: https://blackhoodie.re & Donate: https://donate.stripe.com/9AQaGq3Ho6084aAdQQ- L Mark Jansen @learn-more.bsky.social
Debugger @debugger.bsky.social I’m a problem solver with a passion for hardcore troubleshooting. If you think it can’t be fixed, that’s exactly when I get interested.
HyperDbg @hyperdbg.bsky.social We like hypnotizing computers. #HyperDbg
http://github.com/HyperDbg • https://twitter.com/HyperDbg • http://infosec.exchange/@hyperdbg
Malware Unicorn @malwareunicorn.bsky.social @Straiker. Ex-Microsoft. Ex-Meta RedTeam, Ex-Endgame, Ex Fireeye. malwareunicorn.org
Interrupt Labs @interruptlabs.bsky.social We’re here to provide world-leading vulnerability research and research capabilities. From browsers, mobile, automotive and everything in between.
www.interruptlabs.co.uk
Adrian Herrera @adrianherrera.bsky.social Security researcher with an interest in formal methods.
B̶u̶i̶l̶d̶i̶n̶g̶ breaking things @ Interrupt Labs |
Teaching @ Australian National University
https://adrian-herrera.com
biazo @vmcsptr.bsky.social Hyper-V Enjoyer
Romain Thomas (@rh0main) @rh0main.bsky.social Security engineer working on Android, reverse-engineering & obfuscation.
https://www.romainthomas.fr/ - https://obfuscator.re/ - https://lief.re
alkali @alkalinesec.bsky.social mobile security / symbolic execution . he / him
Nicolas Krassas @dinosn.bsky.social Head of Threat & Vulnerability Mgmt @ Henkel AG & Co. KGaA
https://t.co/NC1orlKrW3
Also at : @dinosn
Grzegorz Tworek @gtworek.bsky.social 
Alice Climent-Pommeret @alicecliment.bsky.social Offsec stuff @Caisse Nationale de l'Assurance Maladie || Interested in Malware 🤓 || Nerd stuff here https://alice.climent-pommeret.red/
Orange Tsai @orange.tw This is 🍊
RE//verse @re-verse.io https://re-verse.io/ reverse engineering conference
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 
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.
Hexacon @hexacon.bsky.social Offensive security conference in the heart of Paris. 10-11th October 2025
https://www.hexacon.fr/
Synacktiv @synacktiv.com Offensive security company. Dojo of many ninjas. Red teaming, reverse engineering, vuln research, dev of security tools and incident response.
@momo5502.bsky.social @momo5502.bsky.social 
Peter Meerwald-Stadler @pmeerw.net 
404 Media @404media.co it's a website (and a podcast, and a newsletter) about humans and technology, made by four journalists you might already know. like and subscribe: 404media.co
jvoisin @dustri.org Blog feed for https://dustri.org/b
Also available at https://mastodon.social/@jvoisin
Quarkslab @quarkslab.bsky.social Securing every bit of your data
https://quarkslab.com
Duncan Ogilvie @mrexodia.bsky.social and 100+ other projects. Love binary analysis and Windows internals. Dreaming about doing open source full time...
Azeria @azeria-labs.com Founder of Azeria Labs, Trainer, Author of Blue Fox: Arm Assembly Internals & Reverse Engineering
sixtyvividtails @sixtyvividtails.bsky.social probably not a mimic
PL 🤘🦇🤘 @phlaul.bsky.social 
NorthSec @nsec.io NorthSec — A community-run cybersecurity event offering world-class talks, trainings & a 48-hour, on-site capture-the-flag competition. Every May in Montréal since 2013 🇨🇦 Publications en français et en anglais.
https://nsec.io/
eversinc33 🤍🔪⋆｡˚ ⋆ @eversinc33.bsky.social 
Ivan Kwiatkowski @justicerage.bsky.social Security Researcher @Meta. Writer. Would-be musician. Maintainer of Manalyze and Gepetto. Trolling on a purely personal capacity.
ESET Research @esetresearch.bsky.social Security research and breaking news straight from ESET Research Labs.
welivesecurity.com/research/
@halvarflake.bsky.social @halvarflake.bsky.social 
Lorenzo Franceschi-Bicchierai @lorenzofb.bsky.social Real-time historian of the late cyber capitalist era, writing about the intersection of hackers, human rights, and spies.
Writing a book about Hacking Team and the history of government spyware.
☎️ Signal: @LorenzoFB.1337 (+1 917 257 1382)
lorenzofb.com
Matthew Green @matthewdgreen.bsky.social I teach cryptography at Johns Hopkins. https://blog.cryptographyengineering.com
Yarden Shafir @yardenshafir.bsky.social A circus artist with a visual studio license
Matthew Garrett @mjg59.eicar-test-file.zip Former biologist. Actual PhD in genetics. Security, OS security teaching at https://www.ischool.berkeley.edu.
Blog: https://codon.org.uk/~mjg59/blog
Signal: @mjg.59
He/him
Opinions expressed here are mine, not my employer's
Łukasz @maldr0id.bsky.social Military-grade reverse engineer @ Google, working on Android malware
Got mistaken for a member of Project Zero once.
Everything here is my own opinion
he/him ✨🌈🦄
dmnk @dmnk.bsky.social 【ＤΞＣＯＭＰＩＬΞ ＮΣＶΞＲ】
Android Red Team @google
Fuzzing @aflplusplus.bsky.social
CTF @enoflag
(opinions my own)
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
Samuel Groß @saelo.bsky.social Working on Project Zero, Big Sleep, and V8 Security. Personal account.
Maddie Stone @maddiestone.bsky.social Security Researcher at Google Project Zero. 0-days all day. Love all things reverse engineering. she/her
Ange @angealbertini.bsky.social Reverse engineer, file formats expert.
Corkami, CPS2Shock, PoC||GTFO, Sha1tered, Magika...
Security engineer @ Google. He/him.
Gynvael Coldwind @gynvael.bsky.social Security researcher/programmer ⁂ Managing director @ HexArcana ⁂ @DragonSectorCTF founder ⁂ he/him
Joseph Cox @josephcox.bsky.social Hacking/crime/privacy journalist. Author of DARK WIRE, buy here: https://www.hachettebookgroup.com/titles/joseph-cox/dark-wire/9781541702691/#preorder Co-founder of 404 Media. Signal: joseph.404 Email: joseph@404media.co
Rowan @novafacing.bsky.social fuzzing enjoyer
@novafacing@haunted.computer
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
Christopher @kharosx0.bsky.social Founder @signal-labs.com
🇦🇺 Vulnerability researcher (MORSE) @Microsoft Discord: Kharosx0
buherator @buherator.bsky.social "I'm interested in all kinds of astronomy."
https://scrapco.de
Mostly cross-posting from Fediverse: @buherator@infosec.place
James Forshaw @tiraniddo.dev Security researcher in Google Project Zero. Author of Attacking Network Protocols. Posts are my own etc. 
Ivanlef0u @ivanlef0u.bsky.social ivanlef0u.fr
Carl Smith @rwx.page Security @Google, Personal Account.
Sam Thomas @xorpse.ghost.sh Program Analysis / Reverse Engineering
Website: https://xv.ax
Hexacorn @hexacorn.bsky.social Red Brain, Blue Fingers
Malware Analysis, Reverse Engineering, Threat Hunting, Detection Engineering, DFIR, Security Research, Programming, Curiosities, Software Archaeology, Puzzles, Bad dad jokes
https://www.hexacorn.com/blog/
hexacorn@infosec.exchange
cts @gf256.bsky.social Hacker and meme enjoyer
Peter Goodman @cxx.dev C++ developer specializing in source and binary program analysis and transformation.
grsecurity @grsecurity.bsky.social Foundational security for the Linux kernel. Solving the most difficult memory unsafety problems. Created by @opensrcsec
Johnathan Norman @spoofy.bsky.social Just a guy trying to improve software quality. Currently securing WhatsApp, Before that Microsoft Windows and Edge.
daax @daax.bsky.social reverse engineering • secure processor design • system emulation • strategically bluescreening @the_secret_club
Phrack Zine @phrack.org since 1985
https://phrack.org
0xor0ne @0xor0ne.bsky.social | CyberSecurity | Reverse Engineering | C and Rust | Exploit | Linux kernel | PhD | Only My Opinions :) |
GrapheneOS @grapheneos.org Open source privacy and security focused mobile OS with Android app compatibility.
https://grapheneos.org/
Patrick Walton @pcwalton.turbofishstudios.com Programming languages and graphics person. Rust compiler, Firefox, and Bevy contributor. Currently working on an unannounced project!
crazy hugsy @blah.cat Someone who likes debuggers a bit too much
🇨🇦 • 🇰🇷 • 🇫🇷
OffensiveCon @offensivecon.bsky.social OffensiveCon is a highly technical international security conference focused on offensive security only. Organized by Binary Gecko GmbH.
Alex Matrosov @matrosov.bsky.social 
Cisco Talos Intelligence Group @talosintelligence.com Cisco Talos defends Cisco customers with trusted global cybersecurity intelligence. Support requests: https://talosintelligence.com/support
Jordan Wiens @psifertex.bsky.social Binary Ninja dev, Cuber, EUC rider.
@hasherezade.bsky.social @hasherezade.bsky.social Programmer, #malware analyst. Author of #PEbear, #PEsieve, #TinyTracer. Private account. All opinions expressed here are mine only (not of my employer etc) ; https://hasherezade.net
Gergely Orosz @gergely.pragmaticengineer.com Writing The Pragmatic Engineer (@pragmaticengineer.com), the #1 technology newsletter on Substack. Author of The Software Engineer's Guidebook (engguidebook.com). Formerly at Uber, Skype, Skyscanner. More at pragmaticengineer.com- T @taviso.bsky.social @taviso.bsky.social
Andrea Fioraldi @andreafioraldi.bsky.social Cyber Response Italian Supercazzola Technology Officer at
@mhackeroni Inc. Writing your favourite fuzz testing tools with
@aflplusplus. Security research at .
Moritz Schloegel @mu00d8.bsky.social Faculty @CISPA Helmholtz Center doing software security, program analysis, and fuzzing
Previously at SEFCOM lab @ASU and @RUB
Tommaso Fontana @zom.wtf Crying at LLVM and MLIR @revng
CTFfing with @mhackeroni
Advanced Fuzzing League @aflplusplus.bsky.social We want to make fuzzing better and better
Follow for updates on AFL++ & LibAFL
Niklas B @niklasb.rce.associates research @ dfsec.com
Binni Shah @binitamshah.bsky.social Linux Evangelist, Malwares , Security Enthusiast, Investor, Contrarian , Neurology , Philanthropist , Reformist ,Sigma female
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
Tim Blazytko @mrphrazer.bsky.social Binary Security Researcher & Trainer
Website: https://synthesis.to
Natalie Silvanovich @natashenka.bsky.social Google Project Zero
Richard Johnson @richinseattle.bsky.social Fuzzing; Vulnerability Research;
Deep Learning; Reverse Engineering
Training & Publications @ http://fuzzing.io
Hacking the planet since 1995
Undercurrents.io BOFH
I'll stop the world and melt with you
Alex Ionescu @ionescu.bsky.social Windows Internals Author, Developer, Reverse Engineer, Security Researcher, Speaker, Trainer, and most recently Nation State Hacker.
Core OS Platform Developer at Apple, Hyper-V Vendor at Microsoft, Chief Architect at CrowdStrike and now Director at CSE.