George Hotz @geohot.bsky.social prompt engineer
Rob Joyce @rgblights.bsky.social Cyber guy. Former NSA cybersecurity director and chief of TAO. Lover of memes. Warning - occasional outrageous Christmas light content.
5pider @5pider.net researcher and developer
Raphael Mudge @raphaelmudge.bsky.social Riding around in the breeze. USAF Veteran.
Alexander Rausch @geheimoperation.bsky.social 🇪🇺 European Union Fan | Cyber Security | Founder of RedMimicry
Kostas @kostastsale.bsky.social Running ➡ http://defendpoint.ca | http://edr-telemetry.com | https://edr-comparison.com/ | http://detectionstream.com | 🇬🇷🇨🇦
Steve Syfuhs @syfuhs.net Noted idiot. Principal something or other. Runs the Windows Authentication team at Microsoft. It's my fault your password doesn't work.
Mostly dog pictures. Might actually be two dogs in a trench coat. 🇺🇸 / 🇨🇦
https://syfuhs.net/
ocdsec @ocdsec.bsky.social 🏴☠️ 💚 🇺🇦 computer tester | 603,628 km²
eversinc33 🤍🔪⋆｡˚ ⋆ @eversinc33.bsky.social 
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
@mikko @mikko.bsky.social Fighting malicious use of technology.
Ned Pyle @nedpyle.com Dog butler to Indy, Darby, & Kell. Former USMC 0341. Chicago Tavern style. You may know me from years of MSFT. Or not. Was @nerdpyle before the bad times. Eat shït, nazis
James Kettle @jameskettle.com Director of Research at @portswigger.net
Also known as albinowax
Portfolio: https://jameskettle.com/
Sam Curry @zlz.bsky.social - M Peiter “Mudge” Zatko @mudge.bsky.social DARPA/Google/Stripe/L0pht/Twitter/…/DARPA/[redacted]
https://en.wikipedia.org/wiki/Peiter_Zatko
Runa Sandvik @runasand.bsky.social Founder of Granitt, securing journalists and at-risk people around the world. 
Scott Helme @scotthelme.bsky.social Hi, I'm Scott Helme, a Security Researcher, Entrepreneur and International Speaker. I'm the creator of Report URI and Security Headers, and I deliver world renowned training on Hacking and Encryption.
https://scotthelme.co.uk
zseano @zseano.bsky.social @zseano
Jason Haddix @jhaddix.bsky.social CEO, CISO, Trainer, Hacker, and Speaker.
AI + hacking + sec leadership.
ex:BuddoBot-Ubisoft-Bugcrowd-Fortify-HP-Redspin-Citrix.
Gareth Heyes @garethheyes.co.uk Web security researcher at PortSwigger. Author of JavaScript for Hackers, Shazzer and Hackvertor.
https://garethheyes.co.uk/#latestBook
hakluke @hakluke.com Dad, hacker, solo founder of haksec.com and hackercontent.com.
Gynvael Coldwind @gynvael.bsky.social Security researcher/programmer ⁂ Managing director @ HexArcana ⁂ @DragonSectorCTF founder ⁂ he/him
TomNomNom @tomnomnom.com Computer booper and food enthusiast. He/him.
Deviant Ollam ツ @deviantollam.bsky.social Philadelphian in Cascadia. Vociferous champion for Oxford commas, two spaces after a period, and ellipses. I break into buildings. 🔓
"Even if the world were ending tomorrow, I would still plant a tree." 🌲
(he/they)
MG @mg.lol 
Andrew Case @attrc.bsky.social Volatility Core developer, Dir. of Research Volexity, LSU Cyber
Marc Smeets @marcoverip.bsky.social Does a thing or two with red teaming @ Outflank | part time race and drift car instructor
CCob🏴 @ethicalchaos.bsky.social Ceri Coburn: Hacker | R̷u̷n̷n̷e̷r̷ DIYer| Vizsla Fanboy and a Little Welsh Bull apparently 🏴
Author of poorly coded tools: https://github.com/CCob
RastaMouse @rastamouse.me make pic +relax
BallisKit @balliskit.bsky.social BallisKit provides tooling and services to professional Pentesters & Red Teams.
We develop MacroPack Pro and ShellcodePack.
www.balliskit.com
@outflank.bsky.social @outflank.bsky.social 
Lina @d0rkph0enix.bsky.social Infosec dork, boxer, poker player, dog owner/operator, spiller of things. Cars, vidya games, general cooking are my jam. Chiefs and Royals devotee. #SecKC
Andy Robbins @andyrobbins.bsky.social aka wald0
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
Red Siege @redsiege.com Penetration Testing, Purple Team, Red Team & Adversary Emulation.
Let our Offense, Prepare your Defense. https://redsiege.com
#weareoffensive
Clément Labro @itm4n.bsky.social Pentest & Windows security research
Matt Hand @matterpreter.bsky.social Director of Security Research at Prelude💜 | Author of Evading EDR http://nostarch.com/evading-edr 📖 | Security research & windows internals 🦠
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
Silas Cutler @silascutler.bsky.social You may know me from your server logs.
#Malware, Hacks, Internet Scanning, #CTI
Larry Osterman @larryosterman.github.io Long term MSFT employee, Dad, Singer.
Expect cat pictures, tech nerding, etc.
Previous: SMB filesystem, Exchange Store, Windows Audio, Windows Runtime, COM, Confidential computing.
Current: Azure SDK for C++
Proud LGBTQIA+ ally.
Profile pic from Not
Zack Whittaker @zackwhittaker.com Security editor, TechCrunch
Signal: zackwhittaker.1337
My stories: techcrunch.com/author/zack-whittaker
My newsletter/blog: this.weekinsecurity.com
@levelsio @levels.io 💾 Pieter.com est. 1994
📸 PhotoAI.com $120K/m
🏡 InteriorAI.com $38K/m
🛰 RemoteOK.com $37K/m
🌍 Nomads.com $35K/m
🎁 levelsio.com $23K/m
Microsoft Security Response Center @msrc.microsoft.com We are the Microsoft Security Response Center. To report security vulnerabilities or abuse in Microsoft products, visit http://microsoft.com/en-us/msrc.
GrapheneOS @grapheneos.org Open source privacy and security focused mobile OS with Android app compatibility.
https://grapheneos.org/
Florian Roth @cyb3rops.bsky.social Placeholder profile : https://x.com/cyb3rops | glad to be in this respectful safe space | vi/vim
Swissky @swissky.bsky.social RedTeam | Pentest
Author of PayloadsAllTheThings & SSRFmap
http://github.com/swisskyrepo
0xdf @0xdf.bsky.social Principal Training Architect @ HackTheBox
CTF Addict
"Potentially a legit researcher"
he/him
Website: https://0xdf.gitlab.io/
YouTube: https://www.youtube.com/c/0xdf0xdf
Twitter: 0xdf_
Discord: 0xdf
Mastadon: 0xdf@infosec.exchange
Rob Fuller @mubix.com (he/him) Dad / Husband / Marine / Student / Teacher / @Hak5 / @NoVAHackers / @SiliconHBO / @NationalCCDC / @MARFORCYBER Auxiliary
Ian Coldwater 🧊🚫 @lookitup.baby Kubernetes SIG Security Co-Chair, goose in the mainframe. Minneapolis. They/them. Stay punk 🏴
MSP feed info: https://bsky.app/profile/amityf.bsky.social/post/3mrv36uo4pc2a
mpgn @mpgn.bsky.social Flibustier du net ̿ ̿̿'̿'\̵͇̿̿\=(•̪●)=/̵͇̿̿/'̿̿ ̿ ̿ ̿
Podcast Hack'n Speak http://anchor.fm/hacknspeak
Github https://github.com/mpgn
Malware Unicorn @malwareunicorn.bsky.social @Straiker. Ex-Microsoft. Ex-Meta RedTeam, Ex-Endgame, Ex Fireeye. malwareunicorn.org
Cas van Cooten @casvancooten.com @chvancooten on the bird app 🐦
---
Benevolently malicious offensive security enthusiast || OffSec Developer & Malware Linguist || NimPlant & NimPackt author || @ABNAMRO Red Team
@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
d0nut @d0nut.dev 🦀 Rust + Security 🔑
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 ✨🌈🦄
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
Emeric Nasi @emericnasi.bsky.social CyberSecurity researcher and founder of BallisKit. I have a passion for all infosec subjects especially redteam and writing offensive tools!
harmj0y @harmj0y.bsky.social Researcher @SpecterOps. Coding towards chaotic good while living on the decision boundary. #dontbanequality
Mr.Un1k0d3r @mrun1k0d3r.bsky.social Live hacking content https://truecyber.world/
Red team training https://mr.un1k0d3r.world/training/
Github https://github.com/Mr-Un1k0d3r
@sapirxfed.bsky.social @sapirxfed.bsky.social Security researcher.
I have a blog: https://sapirxfed.com
@its-a-feature.bsky.social @its-a-feature.bsky.social @its_a_feature_ on Twitter | Mythic developer | @SpecterOps
SpecterOps @specterops.io Creators of BloodHound | Experts in Adversary Tradecraft | Leaders in Identity Attack Path Management
Dirk-jan @dirkjanm.io Hacker at outsidersecurity.nl. Researches Entra ID, AD and occasionally Windows security. I write open source security tools and do blogs/talks to educate others on these topics. Blog: dirkjanm.io
Flangvik @flangvik.bsky.social Team Lead Kovert AS, previously Red Team TrustedSec, terrible creator of InfoSec content 📹Opinions are my own and not the views of my employer.
Yarden Shafir @yardenshafir.bsky.social A circus artist with a visual studio license
Olaf Hartong @olafhartong.nl Security researcher with a camera | @FalconForce.nl | Microsoft MVP | Snow man role model | https://youtube.com/@olafhartong
Marcello @byt3bl33d3r.bsky.social Running on vibes. Cyber vibes.
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)
Zach @svch0st.bsky.social Everything DFIR - 🇦🇺
@TheDFIRReport | @CuratedIntel
https://infosec.exchange/@svch0st
https://twitter.com/svch0st
Binary Defense @binarydefense.com We bring the attacker’s mindset to every move, building defenses specifically designed to combat threats. Founded and led by practitioners who live and breathe security, we know what matters in the trenches - because we’re in them with you.
Scott Hanselman 🌮 @scott.hanselman.com I want you to win and be happy. Code, OSS, STEM, Beyoncé, T1D, open source artificial pancreases, Portland, 3D printing http://hanselminutes.com inclusive tech podcast! VP/Member of Technical Staff, Microsoft/GitHub 🌮
http://hanselman.com/about
John Hammond @johnhammond.bsky.social Hacker. Friend. Cybersecurity Researcher at Huntress.
Carlos Perez @thedarkoperator.bsky.social - Cybersecurity since 1998
- Information Security jack of all trades
- Hacker
https://www.darkoperator.com
Taggart @taggart-tech.com @mttaggart@infosec.exchange. Displaced Philly boy. Executive Director of @ifin-intel.org. Threat hunter. Educator. Dad. General in the AI Resistance.
taggartinstitute.org
wtfbins.wtf
linktr.ee/mttaggart
13Cubed @13cubed.bsky.social The official Bluesky account for 13Cubed. Follow @davisrichardg for my personal account.
Chris Sanders 🔎 🧠 @chrissanders88.bsky.social Digital Forensic Analyst, Researcher, Author
Ed.D.
Founder Applied Network Defense and Rural Tech Fund
Former Mandiant, InGuardians, DoD
Author: Intrusion Detection Honeypots, Practical Packet Analysis, Applied NSM
LiveOverflow 🔴 @liveoverflow.bsky.social wannabe hacker... he/him
🌱 grow your hacking skills https://hextree.io
Azeria @azeria-labs.com Founder of Azeria Labs, Trainer, Author of Blue Fox: Arm Assembly Internals & Reverse Engineering
checky d luffy @checkymander.bsky.social hacker, maldev, pokemon irl
Ryan Basden @ryanbasden.com Writer @ ryanbasden.com // Hacker @ empiricsecurity.com
#1 photography account about hacking.
Previously:
@bishopfox.bsky.social Red Team
@risk3sixty Pentesting Practice Lead
Dr. Maik Ro @maikroservice.com 💜-Team Hacker
my spirit animal is a trojan horse 🐎😈
Training the next generation of purple team hackers
(he/him)
https://academy.maikroservice.com
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
Graham Helton (too much for zblock) @grahamhelton.bsky.social Hi
malmoeb.bsky.social @malmoeb.bsky.social Head of Investigations at InfoGuard AG - dfir.ch
Sean Gallagher @thepacketrat.net Birb stalker. Cat tree. Cyber Threat Researcher. Recovering cyber and natsec reporter. Meme war and US Navy veteran.
@thepacketrat everywhere since 1994. These posts are not my employers’. https://falling-anvil.com
chompie @chompie.rip hacker, poster, weird machine mechanic
https://chompie.rip
b33f @fuzzysec.bsky.social 意志 / Antiquarian @ IBM Adversary Services / Ex-TORE ⚔️🦅 / I rewrite pointers and read memory / AI Psychoanalyst / Teaching
at labs.calypso.pub
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.
Maddie Stone @maddiestone.bsky.social Security Researcher at Google Project Zero. 0-days all day. Love all things reverse engineering. she/her
evacide @evacide.bsky.social Director of Cybersecurity @eff.org
Co-founder of @stopstalkerware.bsky.social
These opinions are my own, not my employer's
I did a TED talk once
Mehmet Ergene @cyb3rmonk.bsky.social https://academy.bluraven.io
Threat Hunting & Research, Detection Engineering | Microsoft Security MVP
#KQL #DFIR #DataScience
All is one.
Opinions are my own
http://posts.bluraven.io
https://github.com/Cyb3r-Monk/Threat-Hunting-and-Detection
the grugq @thegrugq.bsky.social 
Laughing Mantis @laughingmantis.bsky.social VXer, Computer Goth, Malware Musician
Rachel Tobac @racheltobac.bsky.social Hacker & CEO @SocialProofSec security awareness/social engineering training, videos, talks | 3X @DEFCON🥈 | Ex Chair @WISPorg | Ex @CISAgov Technical Advisory Council under Director Jen Easterly
Sherrod @sherrod.bsky.social It’s me. Sherrod DeGrippo 
netbiosX @netbiosx.bsky.social Purple Team
hackerfantastic.crypto @hackerfantastic.bsky.social Co-Founder https://hacker.house cyber security assurance & hacker training ~ ISBN9781119561453 ~ a book on professional hacking. Contact for competitive quotes on cyber security projects. 
Tim Medin @timmedin.bsky.social Kerberoast Guy • RedSiege CEO • Hater of Pants • Former SANS 560 Author, Senior Instructor • Packers owner • Work Req: http://redsiege.com/contact