Winnona @winnona.bsky.social @DistrictCon Founder. Hacker and attorney. @CyberStatecraft / @BelferCenter fellow, ex-Google threat research. Dog mom. Opinions=my own 👩🏻💻
ACM SURE Workshop @sureworkshop.bsky.social The Workshop on Software Understanding and Reverse Engineering (SURE). Co-located at ACM CCS 2025 in Taiwan. https://sure-workshop.org/
@livectf.bsky.social @livectf.bsky.social 
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
DistrictCon @districtcon.bsky.social A new DC hacker conference: Bringing together builders, breakers, and fixers to do cool shit.
Feb. 6-7, 2027
districtcon.org
Paul Lanzi @planzi.bsky.social Identity and identity security geek with trimmings of scout-dad and board-game and computer-game aficionado. My profile picture may be AI generated (it is) but I'm not.
Dmitri Alperovitch @dmitri.silverado.org Geopolitics, Russia, China, Cyber
Chairman @silverado.org
Author of WorldOnTheBrink.com
Host GeopoliticsDecanted.com podcast
Founder Alperovitch Institute for Cybersecurity Studies at Johns Hopkins SAIS
Co-Founder CrowdStrike
@DAlperovitch elsewhere
Leigh Honeywell @hypatia.bsky.social Security, diversity, housing, Canadian stuff 🇨🇦. Cofounder and CEO of @tallpoppy.bsky.social; more at leighhoneywell.com
Haroon Meer @haroonmeer.canary.love Security Geek. We build Thinkst Canary - https://canary.tools
Adrian Sanabria @sawaba.bsky.social 🎙️ Enterprise Security Weekly Podcast Host,
🤝 BSides Knoxville Founder,
🗣️ IANS Research Faculty,
🍳 Cooking,
🏎️ F1,
⛰️ Hiking
Jason Syversen 👾🚀📈🏀💰🫱🏻🫲🏽 @jsyversen.bsky.social Hacker -> DARPA -> Founder -> Investor. Currently CEO of SportsVisio.com, GP at 10X Venture Partners (10xvp.com) Love to connect to new people!
jjguy @jjguy.bsky.social Ex-fed hacker turned startup guy. Co-founder & CEO at Sevco Security, previously CTO @ JASK, founding team @ Carbon Black, 12 year US intelligence officer.
Sinan noir Eren @didymaworks.bsky.social Founder/CEO at Opnova. Formerly Founder/CEO Fyde & Remotium.
https://opnova.ai
visi stark @invisig0th.bsky.social Founder of The Vertex Project (@vtxproject)
Father of the #APT1 Report @Mandiant.
Inventor of #synapse, #vivisect, UNCs, imphash, ...
DEFCON CTF Champion, Founder of Kenshoto
Matthias @m4v4m.bsky.social Founder & CEO at Tenzir — security data pipelines » docs.tenzir.com
⭐ https://github.com/tenzir/tenzir
⭐ https://github.com/tenzir/library
#SecDataOps #SecOps #DataOps #SOC #SIEM #ThreatHunting #DetectionEngineering #IncidentResponse #ThreatIntel #COSS
Toni de la Fuente @toniblyx.bsky.social Hardening for food. Open Source, Cloud and Security. Giving 🖤 to Prowler since 2016. Linux, DFIR, CISSP, Heavy Metal. Del Atleti. http://prowler.com
Nils Puhlmann @npuhlmann.bsky.social Cybersecurity Executive and Thought Leader
Cody Cornell @codycornell.bsky.social Co-founder at Swimlane
Pete Markowsky @plm.bsky.social Cofounder & CEO @northpolesec.bsky.social
Prev: @google working on Security Agents including Santa. Cofounder and Chief Architect @capsule8 (tweets are my own.)
Personal Blog: https://blog.markowsky.us
Company Website: https://northpole.security
Akash Bhat @bhatvakash.bsky.social Co-founder | Leen (Unified API & Data Fabric for Security)
Yael N @mavenyael.bsky.social Solving puzzles and observing patterns for executives.
Mom.
Comfortable communicating corporate.
CISO nudger.
🟣www.yasspartners.com
Data Visualization Society @datavizsociety.bsky.social We are dedicated to fostering community for data visualization professionals.
Samuel Groß @saelo.bsky.social Working on Project Zero, Big Sleep, and V8 Security. Personal account.
cts @gf256.bsky.social Hacker and meme enjoyer
d0nut @d0nut.dev 🦀 Rust + Security 🔑
chompie @chompie.rip hacker, poster, weird machine mechanic
https://chompie.rip
@nopnopgoose.bsky.social @nopnopgoose.bsky.social 
Morgan @synapticrewrite.bsky.social Hardware, prototyping, reverse engineering, firmware, lockpicking, makering, and various other hackings. @SynapticRewrite@hackers.town
Carolina Zarate @zaratec.bsky.social Computer security researcher, CTF (PPP/MMM/BBB), CMU alum x2. Just a lil friend excited about security. 🦆
https://zaratec.io/
Azeria @azeria-labs.com Founder of Azeria Labs, Trainer, Author of Blue Fox: Arm Assembly Internals & Reverse Engineering
Perri Adams @perrib.us Fmr DARPA Program Manager | Fmrly Organizing DEF CON CTF with Nautilus | RPISEC Alumna | Personal account, opinions my own, RT ≠ endorsement
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
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
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
Brendan Dolan-Gavitt @moyix.net AI researcher at XBOW. Security, RE, ML. PGP http://keybase.io/moyix/
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.
Dinosaur Comics! @qwantz.com Comics? On the INTERNET?? On WWW DOT BSKY DOT APP??
Randall Munroe @xkcd.com 
dmnk @dmnk.bsky.social 【ＤΞＣＯＭＰＩＬΞ ＮΣＶΞＲ】
Android Red Team @google
Fuzzing @aflplusplus.bsky.social
CTF @enoflag
(opinions my own)