COSIC @cosic.bsky.social COSIC provides a broad expertise in digital security and strives for innovative security solutions.
COSIC is headed by Bart Preneel.
https://www.esat.kuleuven.be/cosic/
BINARLY🔬 @binarly.bsky.social ⛓️Binarly is the world’s most advanced automated software supply chain security platform.
Sam Thomas @xorpse.ghost.sh Program Analysis / Reverse Engineering
Website: https://xv.ax
@pinkflawd.bsky.social @pinkflawd.bsky.social 
Tanner Rowlett @trowlett0.bsky.social CS @ UoU - RA for https://futures.cs.utah.edu
Stefan Nagy @snagycs.bsky.social Faculty @utah.edu.
My lab hunts bugs: https://futures.cs.utah.edu/bugs.
Mastodon: snagy@infosec.exchange
Twitter: @snagycs
Chris Krebs @thekrebscycle.bsky.social Aka @c_c_krebs over there 
dmnk @dmnk.bsky.social 【ＤΞＣＯＭＰＩＬΞ ＮΣＶΞＲ】
Android Red Team @google
Fuzzing @aflplusplus.bsky.social
CTF @enoflag
(opinions my own)
Samuel Groß @saelo.bsky.social Working on Project Zero, Big Sleep, and V8 Security. Personal account.
Travis Goodspeed @travisgoodspeed.bsky.social Author of books and tools for reverse engineering. Studebaker driver, but an awful mechanic. Home chip decapsulation.
Currently writing a new assembler, to be released in February.
Natalie Silvanovich @natashenka.bsky.social Google Project Zero
sam4k @sam4k.com pwning kernels & blogging on os internals 🌱
cts @gf256.bsky.social Hacker and meme enjoyer- M Peiter “Mudge” Zatko @mudge.bsky.social DARPA/Google/Stripe/L0pht/Twitter/…/DARPA/[redacted]
https://en.wikipedia.org/wiki/Peiter_Zatko
RE//verse @re-verse.io https://re-verse.io/ reverse engineering conference
Li Chen @exocomics.com I like cats.
My third graphic novel Detective Beans and the Map of Mystery is available to pre-order now! https://detectivebeans.com
Lorenzo Franceschi-Bicchierai @lorenzofb.bsky.social Real-time historian of the late cyber capitalist era @TechCrunch, writing about the intersection of hackers, human rights, and spies.
Also writing a book about Hacking Team and the history of government spyware.
☎️ Signal: +1 917 257 1382
Patrick Howell O’Neill @patrickhowelloneill.com Journalist at Bloomberg News in DC. Signal: @howelloneill.01, email: patoneill1@bloomberg.net https://www.bloomberg.com/authors/AXb8dLPHBFc/patrick-howell-oneill
Phrack Zine @phrack.org since 1985
https://phrack.org
WHY2025 @why2025.bsky.social WHY2025 is an international non-profit outdoor hacker camp/conference taking place in The Netherlands in the summer of 2025.
WHY2025.org
Thijs Bosschert @thice.bsky.social Allround Security, IR & SOC professional. Escape room, CTF & game creator. Organizer WHY2025 CTF. Mediocre lockpicker. CTF teams: Eindbazen, Jobless Hackers and Spotless.
https://cybersecurity-escaperoom.com/
https://thice.nl/
https://ctf.why2025.org
Alvaro @alvarop.com FW/HW engineer. Co-host of unnamedre.com
alvarop.com
@alvaroprieto on Twitter
Odd_Jayy @oddjayy.bsky.social Self taught Tinker .Thoughts and Opinions are my own
Brian Swetland @swetland.frotz.net Writes the codes. Recovering OS Engineer (BeOS, HiptopOS, Android, LK, Fuchsia). Embedded systems hacker. Hobbyist Digital Designer. Player of video games, tabletop games, D&D, etc.
fediverse: @swetland@chaos.social
Jeff Geerling @jeffgeerling.com Father, author, developer, maker. Sometimes called "an inflammatory enigma". #stl #ansible #k8s #raspberrypi #mac #crohns www.jeffgeerling.com
arturo182 @arturo182.bsky.social HW & SW
Founder of @solder.party
he/him
Raspberry Pi @raspberrypi.com We make very small computers which you can buy from just $4. We are also the literal coolest.
Follow the Money @ftm.nl Follow the Money is een platform voor onderzoeksjournalistiek met een glashelder doel: waarheidsvinding in dienst van de samenleving. https://ftm.nl
Laughing Mantis @laughingmantis.bsky.social VXer, Computer Goth, Malware Musician
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/
Pwnallthethings @pwnallthethings.bsky.social Just thinking out loud.
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/
Romain Thomas (@rh0main) @rh0main.bsky.social Security engineer working on Android, reverse-engineering & obfuscation.
https://www.romainthomas.fr/ - https://obfuscator.re/ - https://lief.re
Tarjei @kernelpool.bsky.social 
Catalyst Security @catalystsecurity.com Excellence in Research
Veronica Kovah @veronicakovah.bsky.social Not a 0x41 and done kinda gal
Luca Bongiorni @cyberantani.bsky.social 𝘛𝘦𝘭𝘤𝘰 🛰 - 𝘗𝘩𝘺𝘴𝘪𝘤𝘢𝘭 🔓- 𝘐𝘊𝘚 🏭 - 𝘐𝘰𝘛 🤖 Security {𝐑𝐞𝐬𝐞𝐚𝐫𝐜𝐡𝐞𝐫 | 𝐒𝐩𝐞𝐚𝐤𝐞𝐫 | 𝐈𝐧𝐯𝐞𝐧𝐭𝐨𝐫 | 𝐈𝐧𝐬𝐭𝐫𝐮𝐜𝐭𝐨𝐫}
📺 https://youtube.com/@whid_ninja
🌐 whid.ninja
📖 whid.ninja/blog
Don't Ask What I Think about🍍➕🍕! I may get offensive 🇮🇹🤌😜
evacide @evacide.bsky.social Director of Cybersecurity @eff.org
Co-founder of @stopstalkerware.bsky.social
These opinions are my own, not my employers’
I did a TED talk once
Binary Ninja @binary.ninja https://binary.ninja/
Made with ❤️ by https://vector35.com/
Linux Kernel Security @linkersec.bsky.social Links related to Linux kernel security and exploitation.
Maintained by @andreyknvl.bsky.social and Alexander Popov.
See https://xairy.io/linkersec for mirrors.
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/
tmp0ut @tmpout.sh ELF Research Group
Eindhoven University of Technology (TU/e) @tue.nl At Eindhoven University of Technology (TU/e) we educate students and advance knowledge in science and technology for the benefit of humanity. Follow us! https://www.tue.nl/
Alexander Serebrenik @aserebrenik.bsky.social Professor of Social Software Engineering. Eindhoven University of Technology, The Netherlands. Diversity, inclusion and source code.
🇧🇪🇮🇱🏳️🌈 🐕 He/him
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
Colin O'Flynn @oflynn.com Colin is a huge nerd. Hardware hacking, open-source hardware, electronics design, academic stuff, dog stuff in some order. Assistant Prof @ Dalhousie Uni, advisor/co-founder NewAE Technology Inc.
GrapheneOS @grapheneos.org Open source privacy and security focused mobile OS with Android app compatibility.
https://grapheneos.org/
Andrey Konovalov @andreyknvl.bsky.social Security engineer at http://xairy.io. Focusing on the Linux kernel. Maintaining @linkersec.bsky.social. Trainings at http://xairy.io/trainings.
XBOW @xbow.com Bringing AI to offensive security by autonomously finding and exploiting web vulnerabilities. https://xbow.com/
Hexadecim8 @hexadecim8.com Author | spooky trans athlete | Linux behavioral threat researcher | never hacked nobody
https://hexadecim8.com
Huib Modderkolk @huibmodderkolk.bsky.social Onderzoeksjournalist Volkskrant
Going dark
h.modderkolk at volkskrant.nl
Signal: hmodderkolk.20
TrendAI Zero Day Initiative @thezdi.bsky.social TrendAI Zero Day Initiative™ (ZDI) is a program designed to reward security researchers for responsibly disclosing vulnerabilities.
pancake @trufae.bsky.social Author of @radareorg, mainly active in the fediverse @pancake@infosec.exchange
LiveOverflow 🔴 @liveoverflow.bsky.social wannabe hacker... he/him
🌱 grow your hacking skills https://hextree.io
@ret2systems.bsky.social @ret2systems.bsky.social 
radareorg @radareorg.bsky.social The official radare2 account in the Blueskyverse
Binni Shah @binitamshah.bsky.social Linux Evangelist, Malwares , Security Enthusiast, Investor, Contrarian , Neurology , Philanthropist , Reformist ,Sigma female
Ronald Prins @cryptoron.bsky.social 
Zardus @zardus.bsky.social Retired DEFCON CTF org.
Shellphish Captain Emeritus.
ASU Prof.
angr hacker.
pwn.college sensei.
Looking for students/interns!
https://yancomm.net
https://github.com/zardus
https://defcon.social/@Zardus
@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
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 
Yarden Shafir @yardenshafir.bsky.social A circus artist with a visual studio license
Alex Matrosov @matrosov.bsky.social 
Advanced Fuzzing League @aflplusplus.bsky.social We want to make fuzzing better and better
Follow for updates on AFL++ & LibAFL
Brendan Dolan-Gavitt @moyix.net AI researcher at XBOW. Security, RE, ML. PGP http://keybase.io/moyix/
OffensiveCon @offensivecon.bsky.social OffensiveCon is a highly technical international security conference focused on offensive security only. Organized by Binary Gecko GmbH.
Viking @vikingfr.bsky.social https://v1k1ngfr.github.io/
James Forshaw @tiraniddo.dev Security researcher in Google Project Zero. Author of Attacking Network Protocols. Posts are my own etc. 
Miepermans @miepermans.bsky.social Geek, Security Research, (E)-Privacy, Electronics, Hackerspaces, Licensed HAM-Operator, OSINT, (IT)Security And way to much hobbies. @miepermans@mastodon.social
Wim Van Gool @wimvangool.bsky.social Founding member @ http://area3001.com // Founder @ http://phyx.be // Team badge @ https://fri3d.be/
vx-underground (automated mirror) @vxundergroundre.bsky.social The largest collection of malware source code, samples, and papers on the internet.
Password: infected
(unofficial, this is a bot! Maintained by a private individual, the bot can't handle retweets or replies, support soonish)
Jordan Wiens @psifertex.bsky.social Binary Ninja dev, Cuber, EUC rider.
Bill Pollock @nostarch.bsky.social No Starch Press Founder and President. Founder and Chair, Hacker Initiative
Randall Munroe @xkcd.com 
alkali @alkalinesec.bsky.social mobile security / symbolic execution . he / him
chompie @chompie.rip hacker, poster, weird machine mechanic
https://chompie.rip
George Stagg @gws.phd Software Engineer @ Posit working on Open Source & AI. Maths. Physics. I like making things.
Victor Gevers @0xdude.bsky.social (Grumpy Old) Hacker. Co-founder of the GDI Foundation. Co-founder Dutch Institute for Vulnerability Disclosure. Co-founder CSIRT.global
and unfiltered on https://victorgevers.com. "I was there when software cracking was in its prime."
Xeno Kovah @xenokovah.bsky.social Interested in reverse engineering, firmware, bluetooth, trusted computing, and training. Founder of OpenSecurityTraining2 https://ost2.fyi
Peter « corelanc0d3r » Van Eeckhoutte @corelanc0d3r.bsky.social Owner Corelan Consulting🔸Cybersecurity Researcher & Trainer🔸Hacker🔸Outgoing Introvert (INFJ-A)🔸Book lover🔸Fountain pen affictionado🔸Chess amateur🔸 Foodie🔸❤️ for EQ+IQ
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
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 .
Davide Balzarotti @balzarot.bsky.social Professor in Computer Security @EURECOM
Ex Defcon CTF organizer with @oooverflow
Ohm-I @mcohmi.com Hacks, raps, and other things.
__femb0t @femb0t.bsky.social ✨ sécurité phd student (hiatus) (ﾉ◕ヮ◕)ﾉ*:･ﾟ✨ Learning ✨Have distractingly many interests✨⋇⋆✦⋆⋇ ✨
@egyp7 @egyp7.bsky.social I like juggling, Bash, chess puzzles, and good exploits. Worked on Metasploit for some years. 💙💜🩷
@egypt@mastodon.social
Ryan Stortz @withzombies.bsky.social Memory Corruption, iOS, Swift, LLVM, CTF, old man stuff
NYC
x0rz @x0rz.bsky.social Cybersecurity & Threat Intelligence. Knowledge is power, France is bacon 🥓
lukas seidel @pr0me.bsky.social Firmware Security • Embedded Systems • AI x Infosec •
Researcher @binarly • PhD Candidate @TUBerlin •
Capturing Flags with ENOFLAG
Joe Grand @joegrand.bsky.social Hardware hacker, computer engineer, former L0pht member and juvenile delinquent, sometimes known as Kingpin. https://joegrand.com
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.
0xor0ne @0xor0ne.bsky.social | CyberSecurity | Reverse Engineering | C and Rust | Exploit | Linux kernel | PhD | Only My Opinions :) |
Quentin Kaiser @qkaiser.bsky.social offensive security research, embedded systems, weird file formats and all things RTOS
Thijs Alkemade @xnyhps.nl Security Researcher.
Jasper van Woudenberg @jzvw.bsky.social - T Ben "Ben" Hawkes @thatbenhawkesguy.bsky.social Marching to the wrong drum with the wrong scum
Willem Melching @pd0wm.bsky.social I take things apart. Sometimes I put them back together. Consulting & Trainings: http://icanhack.nl
LaurieWired @lauriewired.bsky.social researcher @google; serial complexity unpacker
ex @ msft & aerospace