Scott Cunningham @scottcbusiness.com Content strategist for AI, cloud, Web3, and technical brands. I turn complex ideas into clear messaging, content systems, and social growth. Building with GPT, Notion, Dalle3, Make, Claude, and Lovable.
Visit my website: https://scottcbusiness.com/
Raphael Mudge @raphaelmudge.bsky.social Riding around in the breeze. USAF Veteran.
Simon Willison @simonwillison.net Independent AI researcher, creator of datasette.io and llm.datasette.io, building open source tools for data journalism, writing about a lot of stuff at https://simonwillison.net/
Ethan Mollick @emollick.bsky.social Professor at Wharton, studying AI and its implications for education, entrepreneurship, and work. Author of Co-Intelligence.
Book: https://a.co/d/bC2kSj1
Substack: https://www.oneusefulthing.org/
Web: https://mgmt.wharton.upenn.edu/profile/emollick
karpathy @karpathy.bsky.social AI @ OpenAI, Tesla, Stanford
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
XBOW @xbow.com Bringing AI to offensive security by autonomously finding and exploiting web vulnerabilities. https://xbow.com/
Retro Tech Dreams @retrotechdreams.bsky.social Retro tech, early web & vintage computing. 80s, 90s, 2000s nostalgia. Follow for daily posts.
@0xk1r4.bsky.social @0xk1r4.bsky.social 
Recurity Labs @recurity-labs.com You build it, we break it.
https://recurity-labs.com
codewhitesec.bsky.social @codewhitesec.bsky.social Red Teaming. Security Research. Continuous Penetration Testing. Threat Intelligence.
Stephen Fewer @stephenfewer.bsky.social Senior Principal Security Researcher at @rapid7.com. Specializing in software vulnerabilities and exploitation. stephenfewer.github.io
Joël @jgr41.bsky.social 
Piotr Bazydło @chudypb.bsky.social Principal Vulnerability Researcher at the watchTowr | Previously: @thezdi | https://chudypb.github.io
Stephan van Rooij @svrooij.io I'll talk about APIs, Security and building applications in #dotnet
https://svrooij.io | Microsoft MVP Security & Graph | wintuner.app | https://mvp.microsoft.com/en-US/mvp/profile/cc128f12-003f-ed11-bba3-000d3a197333
shkk @sh-kk.bsky.social 
Huntress Labs @huntresslabs.bsky.social 
ϻг_ϻε @steven.srcincite.io Hermetic Initiate. Exploring conscience and the nature of reality. I also hack things.
Alex Neff @al3x-n3ff.bsky.social Pentester | Maintainer of NetExec | aneff.io
Andrea P @decoder-it.bsky.social 
dhn @0xdhn.bsky.social By the power of truth, I, while living, have conquered the universe - /OS(C(P|E)|EE)/ -- Red teamer @codewhitesec.bsky.social | @dhn@infosec.exchange | @dhn_ on X
0xcsandker @0xcsandker.bsky.social Security enthusiast, likes Windows internals, AD & Azure.
Blogging at: https://csandker.io
captnbanana @bananamafia.dev bananamafia.dev
Gynvael Coldwind @gynvael.bsky.social Security researcher/programmer ⁂ Managing director @ HexArcana ⁂ @DragonSectorCTF founder ⁂ he/him
jstnkndy @jstnkndy.bsky.social Infosec professional, beverage snob, and fantasy book consumer. Vice President @ Atredis Partners. Forever terrified of Kithicor.
Markus Piéton @marpie0.bsky.social X: markus_pieton
dmnk @dmnk.bsky.social 【ＤΞＣＯＭＰＩＬΞ ＮΣＶΞＲ】
Android Red Team @google
Fuzzing @aflplusplus.bsky.social
CTF @enoflag
(opinions my own)
modzero @modzero.bsky.social Breaking stuff since 2011
John Hultquist @hultquist.bsky.social Mandiant Intelligence at Google. CYBERWARCON and SLEUTHCON founder. Johns Hopkins professor. Army vet.
@sh4hin.bsky.social @sh4hin.bsky.social Threat Emulation/Hunting/ DFIR
Liam Beeton @liambeeton.com I'm a tinkerer, a lifelong learner and a collector of hobbies.
Find all my stuff at https://liambeeton.com.
All about Microsoft 365 and Power Platform @hubsite365.com The best content for #Microsoft365, #PowerPlatform, #PowerApps, #PowerBI, #Teams, and #Azure in one place. Get the overview!
Random Robbie @what-security.co.uk #infosec | #exploiter | #asm | fox | #LFC | scanner of the internet | #wordpress exploiter | #greynoise lover. | #Bugbounty hunter | Northerner | #UK
checky d luffy @checkymander.bsky.social hacker, maldev, pokemon irl
dragosr @dragostech.bsky.social Autonomous Carbon Based LLM with 42 years of tuning on Information Attack and Defense.
Host of CanSecWest, and PacSec.
Security audits, code, IR, LLM, red team consulting.
Specialize in Firmware, and RF.
VA7MOV
spencer @bsky.ethicalthreat.com 🛠️ Former Sysadmin, now Pentester | Microsoft MVP | Helping IT teams make their environment harder to attack
Pentesting -> SecurIT360
Podcast -> CyberThreatPOV
Active Directory Security Resources for IT Admins 👇
https://go.spenceralessi.com/adsecurity
Nathan McNulty @nathanmcnulty.com Loves Jesus, loves others | Husband, father of 4, security solutions architect, love to learn and teach | Microsoft MVP | @TribeOfHackers | 🐘infosec.exchange@nathanmcnulty
Nasreddine Bencherchali @nasbench.bsky.social Detection @Splunk | previously @nextronsystems | @sigma_hq & @magicswordio maintainer | Eternal Learner
Kostas @kostastsale.bsky.social Running ➡ http://defendpoint.ca | http://edr-telemetry.com | https://edr-comparison.com/ | http://detectionstream.com | 🇬🇷🇨🇦
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)
Azeria @azeria-labs.com Founder of Azeria Labs, Trainer, Author of Blue Fox: Arm Assembly Internals & Reverse Engineering
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
Kuba Gretzky @mrgretzky.breakdev.org Offensive security tools developer. Malware developer, hobby music producer, bedroom DJ & ex-MMO game hacker. Creator of Evilginx / Bartender @ BREAKDEV RED.
phrachtal @phrachtal.bsky.social 
parzel @parzel.bsky.social Hacker based in Berlin | he/him
Paul Spencer @suchprotech.com DevOps Engineer, Technologist, Concert Goer, Music Lover. #aws #devops #infosec #philly
💥 leonjza @leonjza.bsky.social [ 'cto @sensepost.com', '@orangecyberdef', 'caffeine fueled', '(╯°□°)╯︵ ┻━┻', 'security guy', 'metalhead', 'i saw your password', 'KOOBo+KXleKAv+KXlSnjgaM=' ]
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
r1cksec @r1cksec.bsky.social Data breach revealed,
Malware lurks, silent, stealthy -
OSINT tracks the thread.
URLs I post may contain malware – be careful and check yourself before running anything.
https://github.com/r1cksec
infosec.exchange/@r1cksec
Paolo Stagno @voidsec.bsky.social Director of Research at Crowdfense
Windows Vulnerability Researcher and Exploit Developer, ex-Exodus Intelligence
voidsec.com
James 🏴 @two06.bsky.social Targeted Ops @TrustedSec. Hacker of things, writer of bad code. This is our world now... the world of the electron and the switch, the beauty of the baud.
https://linktr.ee/two06
rootsecdev @rootsecdev.bsky.social Security Consultant @TrustedSec | Military grade meme poster, researcher, cloud penetration tester, voider of warranties. My thoughts are my own.
Swissky @swissky.bsky.social RedTeam | Pentest
Author of PayloadsAllTheThings & SSRFmap
http://github.com/swisskyrepo
Steven Erwin @stevenerwin.bsky.social DFIR things, tweet things, I drink things, I secure things, and I learn things.
rayanlecat @handle.invalid Pentester
Paul L. @am0nsec.bsky.social Senior Security Consultant @ Mandiant (part of Google Cloud). Messages attributable to me — not current or former employers. Honneur de vous rendre compte.
Joe Desimone @jdez.bsky.social Tech Lead, Elastic Security
Matt Hand @matterpreter.bsky.social Director of Security Research at Prelude💜 | Author of Evading EDR http://nostarch.com/evading-edr 📖 | Security research & windows internals 🦠
regsvr32.exe @regsvr32.bsky.social regsvr32.exe -s \\incident\response.dll
Matthias Kaiser @matthiaskaiser.bsky.social Vulnerability Researcher. 0xACED. Ex-Apple. Posts are my own.
@lofi42.bsky.social @lofi42.bsky.social Acro Paragliding | Mountaineering | Script kiddo @CODEWHITEsec.bsky.social
Hans-Martin Münch @h0ng10.bsky.social CEO at MOGWAI LABS, part time CTF player and bboy
Russ (rustla) @rust.la Pentester who often hangs out with the blue team. (he/him)
Seraph @seraphimprotocol.bsky.social ~Consume Enhance Replicate~
— SIVA Directive
I do offensive security stuff
Matt Kelly @breakersall.bsky.social Threat intelligence, threat hunting, reforming red teamer
ring3rbell @ring3rbell.bsky.social Pentester | Redteamer | OSCP | OSCE | OSWE... Always learning
malmoeb.bsky.social @malmoeb.bsky.social Head of Investigations at InfoGuard AG - dfir.ch
alden @re.wtf malware enjoyer • macOS security
https://alden.io
rekdt @rekdt.com // sr cybersec leader megacorp usa
// ex big tech, else
// unethical hacker
// malware de(v)generate
// take bsky sincerely at your own risk
// https://linktr.ee/rekdt
Frycos @frycos.bsky.social Private account! Red teamer @codewhitesec. @frycos@infosec.exchange @frycos@X
Dr Nestori Syynimaa @drazuread.com Principal Identity Security Researcher @Microsoft. Ex-Secureworks (PhD, MSc, MEng, CITP, CCSK).
And yes, opinions are my own ;)
Fabian Bader @fabian.bader.cloud #Security #Azure #EntraID #XDR #MDE #Identity #M365 #AD #PKI #KQL
Microsoft MVP
Tweets and opinions are my own
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
Mark Russinovich @markrussinovich.bsky.social CTO of Microsoft Azure, author of novels Rogue Code, Zero Day and Trojan Horse, Windows Internals, Sysinternals tools. Opinions are my own.
Dominic White @singe.bsky.social Hacker at Orange Cyberdefense's SensePost Team
https://hello.singe.za.net/
Tim McGuffin @tim.mcguff.in @NotMedic from that other place.
Adversarial Cartographer. DEFCON Staff & CFP Board. MS in DF. Fmr Fire/EMS. Red and Blue. Builder. Tinkerer. Chaotic Good.
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.
Yarden Shafir @yardenshafir.bsky.social A circus artist with a visual studio license
Rob Fuller @mubix.com (he/him) Dad / Husband / Marine / Student / Teacher / @Hak5 / @NoVAHackers / @SiliconHBO / @NationalCCDC / @MARFORCYBER Auxiliary
Chris Long @clo.ng Security @ OpenAI
日本語の生徒
Scoubi @scoubi.bsky.social Infosec, Detection Engineering, Threat Research, Threat Hunting, OffSec, Conference Organizer.
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
harmj0y @harmj0y.bsky.social Researcher @SpecterOps. Coding towards chaotic good while living on the decision boundary. #dontbanequality
Malware Unicorn @malwareunicorn.bsky.social @Straiker. Ex-Microsoft. Ex-Meta RedTeam, Ex-Endgame, Ex Fireeye. malwareunicorn.org
EricaZelic @ericazelic.bsky.social Security Engineer / IAM Security. Defending against people like me. 
David (DWIZZZLE) Weston @dwizzzle.bsky.social Corporate Vice President, OS Security and Enterprise @Microsoft
James Forshaw @tiraniddo.dev Security researcher in Google Project Zero. Author of Attacking Network Protocols. Posts are my own etc. 
Christopher Glyer @cglyer.bsky.social Microsoft Threat Intelligence Center - Former Incident Responder & Chief Security Architect @Mandiant
netbiosX @netbiosx.bsky.social Purple Team
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
chompie @chompie.rip hacker, poster, weird machine mechanic
https://chompie.rip
@halvarflake.bsky.social @halvarflake.bsky.social 
b1ack0wl @b1ack0wl.com 0day Researcher @ ████████████ / Baker / 0wl
// I post random things on here
Justin Elze @handle.invalid CTO @TrustedSec.com | Former Optiv/SecureWorks/Accuvant Labs/Redspin | Race cars
Andy Gill @zephrfish.yxz.red Defcon goon, Adversarial Architect. Photography, Driving, Blog and general purveyor of chaos. Metal/DnB Fan creator and owner of https://lms.zsec.red