@erik-schneider.bsky.social @erik-schneider.bsky.social 
MoMoOnThinIce @momoonthinice.bsky.social 
Paged Out! @pagedout.bsky.social Paged Out! is a free magazine about programming, hacking, security hacking, retro computers, modern computers, electronics, demoscene, and other similar topics. Always accepting submissions of one-page articles.
Gynvael Coldwind @gynvael.bsky.social Security researcher/programmer ⁂ Managing director @ HexArcana ⁂ @DragonSectorCTF founder ⁂ he/him
Christian Blichmann 🇺🇦 (also on Mastodon) @admvonschneider.bsky.social Everything is always broken. Googler by day. #BinDiff maintainer. My tweets, my opinion.
During my lifetime, CO2 increased by 67.84ppm (so far).
http://pronoun.is/he
Evan Sultanik @esultanik.bsky.social Ph.D. computer security researcher at Trail of Bits.
Editor of and frequent contributor to #pocorgtfo. My CV is a PDF that’s also an NES ROM https://sultanik.com/nesresume/
Runa Sandvik @runasand.bsky.social Founder of Granitt, securing journalists and at-risk people around the world. 
Ange @angealbertini.bsky.social Reverse engineer, file formats expert.
Corkami, CPS2Shock, PoC||GTFO, Sha1tered, Magika...
Security engineer @ Google. He/him.
Brendan Dolan-Gavitt @moyix.net AI researcher at XBOW. Security, RE, ML. PGP http://keybase.io/moyix/
Christopher Patton @cjpatton.bsky.social cjpatton.net - opinions are my own
Andrea Barisani @andreabarisani.bsky.social hacker | tamagopher | https://andrea.bio
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/
John Wood @jdtw.us Security @ Google
Complains about X.509
Filippo Valsorda @filippo.abyssdomain.expert RC F'13, F2'17
Cryptogopher / Go cryptography maintainer
Professional open source maintainer
https://filippo.io / https://github.com/FiloSottile
https://mkcert.dev / https://age-encryption.org
https://sunlight.dev / https://filippo.io/newsletter
HushCon @hushcon.com We are HushCon.
June 5 and 6, 2026
New York, NY
We take your privacy and security seriously.
Matt Blaze @mattblaze.org Scientist, safecracker, etc. McDevitt Professor of Computer Science and Law at Georgetown. So-called expert on election security and a few other things. Slow photographer. RF nerd. Occasionally blogs at https://mattblaze.org/blog
lcamtuf @lcamtuf.coredump.cx Blog: https://blog.coredump.cx/archive
Homepage: https://lcamtuf.coredump.cx
Thomas Rinsma @thomas.rins.ma Th0mas.nl | lead security analyst @ codean.io 
Yashin Mehaboobe @yashin.bsky.social Embedded security, photography, traveling. He/Him
Leo @australeo.executable.page professional software contortionist. posts about food, books, cats, occasionally re/vr. [he/him]
Christopher @kharosx0.bsky.social Founder @signal-labs.com
🇦🇺 Vulnerability researcher (MORSE) @Microsoft Discord: Kharosx0
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 ✨🌈🦄
Mathy Vanhoef @vanhoefm.bsky.social Prof. @KU_Leuven | Research in Network & Software Security | Known for WPA2 KRACK attack, Dragonblood, and FragAttacks | Open to consultancy | Ex-Postdoc NYU
Amy B @nyanbox.stackchk.fail aka itszn (itszen)
0xffff000041414141
Security researcher creating pwnable puzzles
https://infosec.exchange/@nyanbox
https://x.com/itszn13
LLM Art: https://bsky.app/profile/alternet.site
Chelsea Komlo @chelseakomlo.bsky.social (Real world) Cryptographer.
chelseakomlo.com for more info. 
Exploit Code Not People @cooperq.com Cybertiger. Senior Staff technologist at @eff.org Fellow @citizenlab.ca Board member @openarchive.bsky.social. "Noted activist security type." Anti-fascist. he/him. My skeets do not represent views of my employers ⵣ🏴 signal: cooperq.01
Eva Infeld @evainfeld.bsky.social (Dr.) Mathematician, backpacker, seeker.
Montreal/Warsaw
Kevin Beaumont @doublepulsar.com cybersecurity weather man. scanning the horizons for cloudy cyber. Expert at nothing except computer rubbish. Anti-ransomware since 2015.
Maya Kaczorowski @mayakaczorowski.com I love puzzles almost as much as ice cream
she/her 
Tahm @twitchyliquid64.bsky.social Security Engineer, Electronics hobbyist and Australian ex-pat.
Security @ Harvey, Ex-Tailscalar, Xoogler.
he/him, HSP.
xan || roguesys @hackd.net offensive security attaché
rogue systems enthusiast
former 0x90 optimization expert
(https://hackd.net && https://xan.quest)
"Alex" @mangopdf.bsky.social australia's only hacker
https://mango.pdf.zone
Mark Dowd @mdowd.bsky.social Internet hacker
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
Perri Adams @perrib.us Fmr DARPA Program Manager | Fmrly Organizing DEF CON CTF with Nautilus | RPISEC Alumna | Personal account, opinions my own, RT ≠ endorsement
Thomas Ptacek @sockpuppet.org Full of passionate intensity.
dmnk @dmnk.bsky.social 【ＤΞＣＯＭＰＩＬΞ ＮΣＶΞＲ】
Android Red Team @google
Fuzzing @aflplusplus.bsky.social
CTF @enoflag
(opinions my own)
daniel:// stenberg:// @daniel.haxx.se I write curl. I don't know anything. I am @bagder@mastodon.social
My mastodon posts are mirrored to Blusky here: https://bsky.app/profile/bagder.mastodon.social.ap.brid.gy
Weekly email at https://lists.haxx.se/listinfo/daniel
Security Cryptography Whatever @scwpod.bsky.social @durumcrustulum.com, @sockpuppet.org, @dadrian.io
“Freewheelin’ dynamic”.
https://securitycryptographywhatever.com
https://podcasts.apple.com/us/podcast/feed/id1578405214
@halvarflake.bsky.social @halvarflake.bsky.social 
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.
emma @carrot-c4k3.bsky.social cyber torture pioneer. pwn2own 2024 winner. hacking, shitposting, politics. en/ru. she/her 🏳️⚧️- T Trevor @trevorg.bsky.social Boring security guy, no fun here
Yifan @yifan.lu ♥♡♡
https://twitter.com/yifanlu
https://mastodon.social/@yifanlu
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
Oxide Computer Company @oxide.computer The cloud you own. https://oxide.computer/bio
JP Aumasson @aumasson.jp https://aumasson.jp
cofounder & CSO @ taurushq.com
cryptographer (BLAKE2, BLAKE3, SipHash)
author of Serious Cryptography https://nostarch.com/serious-cryptography-2nd-edition and other books
Signal: jpa.01
chompie @chompie.rip hacker, poster, weird machine mechanic
https://chompie.rip