Andy Schwab @andyschwab.link Focused on positive sum outcomes
Working on provenance & reputation systems
Building @at.fund
Leaflet blog at https://blog.andyschwab.link
More nerdy stuff at https://andyschwab.link
Empiric Security @empiricsecurity.bsky.social 
henry โท @strange.website a website, betrayed by god.
queer vegan straightedge. free palestine. him.
https://stillness.digital && https://strange.website && https://henry.codes && https://strangersbyspring.com
SpecterOps @specterops.io Creators of BloodHound | Experts in Adversary Tradecraft | Leaders in Identity Attack Path Management
RastaMouse @rastamouse.me make pic +relax
The Matrix.org Foundation @matrix.org Matrix is an open network for secure, decentralised communication. Please support at matrix.org/support
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
@yoda66.bsky.social @yoda66.bsky.social 
Tyl0us @tyl0us.bsky.social Red Teamer @BHinfoSecurity. Implant Dev is my passion. 
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
Red Siege @redsiege.com Penetration Testing, Purple Team, Red Team & Adversary Emulation.
Let our Offense, Prepare your Defense. https://redsiege.com
#weareoffensive
Andrey Petrov @shazow.net A doodler and computerer. I like permissive/permissionless open source, smart contracts, p2p systems, room-scale VR, and NixOS. ๐จ๐ฆ
Also on:
https://shazow.net
https://github.com/shazow
https://farcaster.id/shazow.eth
"Alex" @mangopdf.bsky.social australia's only hacker
https://mango.pdf.zone
tmp0ut @tmpout.sh ELF Research Group
freefirex @freefirex.bsky.social Research Practice Lead @Trustedsec
gamer and nature enthusiast
hydrโฌกponic- trโsh ๐ฑ๐ @hydroponictrash.bsky.social #Solarpunk //Plant stuff// Hacking// AfroLatino Futurism// anti (crypto) currency// FOSS// hydroponictrash on TikTok// Anticapitalism// Social Ecology ๐ป ๐ดโถโญ๐ฉ hydroponictrash.solar newsletter: https://blog.hydroponictrash.solar/
Brett Hawkins @h4wkst3r.bsky.social Adversary Services @xforce
https://h4wkst3r.github.io
Sanjiv Kawa @sanjivkawa.bsky.social breaker and builder. arsenal supporter. marathoner. adv sim @xforce.bsky.social.
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
Pixel Occult @pixeloccult.bsky.social Cryptid recluse. Chaotic exhausted. I put the art in cartomancy.โจ Commissions closed.
He/Him/They
Mastodon: https://mastodon.social/@PixelOccult
Etsy: https://www.etsy.com/shop/pixeloccult
Website: pixeloccult.com
Square Store: pixeloccult.square.site/
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
@whitecyberduck.bsky.social @whitecyberduck.bsky.social Hacker at @specterops
Yolan @anomalroil.bsky.social Crypto means maths. Cryptogopher doing random stuff on the internet, quite literally.
@seclilc.bsky.social @seclilc.bsky.social 
vict0ni @vict0ni.bsky.social Offensive security engineer // Pentesting, Red Teaming, Research
@its-a-feature.bsky.social @its-a-feature.bsky.social @its_a_feature_ on Twitter | Mythic developer | @SpecterOps
@pinkflawd.bsky.social @pinkflawd.bsky.social 
Chris Thompson @retbandit.bsky.social Head of Red team @ IBM X-Force. Black Hat Review Board. Founder and co-organizer of Offensive AI Con. Co-Founder of RemoteThreat. inveni et usurpa
moloch @littlejoetables.bsky.social Offsec at OpenAI
Former Bishop Fox Red Team
libp2p @libp2p.bsky.social libp2p is a modular networking framework bundled together as a full stack of protocols for peer-to-peer systems. libp2p grew out of IPFS into an independent library designed to give any project state-of-the-art peer-to-peer capabilities.
Joe Farajallah @lefayjey.bsky.social Pentester, Red-Purple Teamer / SEC699, OSEP/OSWE/OSCP, RTL/RTO, CARTP / If you don't find me behind my PC, I'm definitely stepping off a plane somewhere...
Empire @empirec2project.bsky.social GitHub: https://github.com/BC-SECURITY/Empire
Discord: https://discord.com/invite/P8PZPyf
@mgeeky.bsky.social @mgeeky.bsky.social 
@n0tduck1e.bsky.social @n0tduck1e.bsky.social 
Wietze @wietzebeukema.nl Threat Detection & Response. Interested in cyber security, tech and politics. Views are my own, unless retweeted.
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.
Flox @flox.dev https://flox.dev
https://github.com/flox/flox
flox init
flox install <package>
flox activate
git add .flox/
git commit -m 'add repeatable dev environment'
git push
lesnuages @rkervell.bsky.social 
Phrack Zine @phrack.org since 1985
https://phrack.org
Ean Meyer - Disassociating for Survival @eanmeyer.bsky.social Doing my best to make security and the world a bit brighter.
@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
trustnverifeye @trustnverifeye.bsky.social 4n6, cycling, and ๐ฎ
Low Orbit Security @loworbitsec.bsky.social Tailored Security Solutions
nico_n_art (looking for work) @nico-n-art.bsky.social โ { she/her }
โ Pixel artist/ditherpunk
โ LOOKING FOR WORK
โ Support me: ko-fi.com/nico_n_art
โ ๐
Raphael Mudge @raphaelmudge.bsky.social Riding around in the breeze. Hacker. USAF Veteran.
Wild West Hackin' Fest @wildwesthackinfest.bsky.social Join us for Wild West Hackin' Fest - Deadwood 2026! Con: Oct. 7-9, 2026, Pre-Con Training: Oct. 6-7, 2026
Liam @leesoh.bsky.social 
STรK @stokfredrik.bsky.social Hacker / Creative
Mischief & GOOD VIBES ONLY
UK_Daniel_Card @mrr3b00t.bsky.social 
Deviant Ollam ใ @deviantollam.bsky.social Philadelphian in Cascadia. Vociferous champion for Oxford commas, two spaces after a period, and ellipses. I break into buildings. ๐
"Even if the world were ending tomorrow, I would still plant a tree." ๐ฒ
(he/they)
Tom Eston @agent0x0.bsky.social Cybersecurity Aficionado, Privacy Advocate, Founder and Co-Host of the Shared Security Podcast @sharedsecurity.bsky.social
Curator of @retrorelics.store
Also: Sober ๐, Metalcore ๐ค, Cats ๐, Retro video games, mods, vintage consoles and repair.
Black Hills Information Security @bhinfosecurity.bsky.social Specializing in pen testing, red teaming, and Active SOC. We share our knowledge through blogs, webcasts, open-source tools, and Backdoors & Breaches game.
blackhillsinfosec.com & poweredbybhis.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
Rob Fuller @mubix.com (he/him) Dad / Husband / Marine / Student / Teacher / @Hak5 / @NoVAHackers / @SiliconHBO / @NationalCCDC / @MARFORCYBER Auxiliary
MG @mg.lol 
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
Cas van Cooten @casvancooten.com @chvancooten on the bird app ๐ฆ
---
Benevolently malicious offensive security enthusiast || OffSec Developer & Malware Linguist || NimPlant & NimPackt author || @ABNAMRO Red Team
netspooky @vacci.ne knuck if you buck
https://n0.lol
LiveOverflow ๐ด @liveoverflow.bsky.social wannabe hacker... he/him
๐ฑ grow your hacking skills https://hextree.io
Jason Haddix @jhaddix.bsky.social CEO, CISO, Trainer, Hacker, and Speaker.
AI + hacking + sec leadership.
ex:BuddoBot-Ubisoft-Bugcrowd-Fortify-HP-Redspin-Citrix.
harmj0y @harmj0y.bsky.social Researcher @SpecterOps. Coding towards chaotic good while living on the decision boundary. #dontbanequality
Tim Medin @timmedin.bsky.social Kerberoast Guy โข RedSiege CEO โข Hater of Pants โข Former SANS 560 Author, Senior Instructor โข Packers owner โข Work Req: http://redsiege.com/contact
pwneip @pwneip.bsky.social Principal RTO @F500, SANS Instructor & #SEC565 Red Team Ops Author, Red Team Village lead, former Bishop Fox, US Air Force. Tweets are my own, memes are stolen
Whitney Champion ๐ช @whit.zip security architect / co-founder @digitaldefenseinstitute.com / co-founder Recon InfoSec
โฅโฅโฅ == @eric.zip, nerdery, rainbows, sweatpants
she/her | mama of 3 | ๐ค๐๐ฟ๐๐
unicorns.lol
https://short-stack.net
whitneychampion.com/portfolio
John Hammond @johnhammond.bsky.social Hacker. Friend. Cybersecurity Researcher at Huntress.
Andrew Morris @andrewmorr.is ๐ณ founder of @greynoise.io. computers, networks, technology enthusiast. big goober.
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)
Malware Unicorn @malwareunicorn.bsky.social @Straiker. Ex-Microsoft. Ex-Meta RedTeam, Ex-Endgame, Ex Fireeye. malwareunicorn.org
Bad Sector Labs @badsectorlabs.com Cybersecurity news, techniques, exploits, and tools every week at http://blog.badsectorlabs.com ๐@badsectorlabs@infosec.exchange
Flangvik @flangvik.bsky.social Team Lead Kovert AS, previously Red Team TrustedSec, terrible creator of InfoSec content ๐นOpinions are my own and not the views of my employer.
Rory McCune @mccune.org.uk Security geek, Containers, Kubernetes, Golang/Ruby, hillwalking
Home Page :- https://www.mccune.org.uk
Blog:- https://raesene.github.io
TracketPacer @tracketpacer.com ๐rockit network engineer
๐ฉ๐ผโ๐ปethernet fangirl
๐ weird use cases & silly tech!
๐ tracket@tracketpacer.com
๐ tracketpacer.com
martin @cantcomputer.bsky.social CSO @ TrustedSec | Music | Tattoos | H@x | Rad Memes
b33f @fuzzysec.bsky.social ๆๅฟ / Antiquarian @ IBM Adversary Services / Ex-TORE โ๏ธ๐ฆ
/ I rewrite pointers and read memory / AI Psychoanalyst / Teaching
at labs.calypso.pub
Maddie Stone @maddiestone.bsky.social Security Researcher at Google Project Zero. 0-days all day. Love all things reverse engineering. she/her
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 @DEFCON๐ฅ | Ex Chair @WISPorg | Ex @CISAgov Technical Advisory Council under Director Jen Easterly
rootsecdev @rootsecdev.bsky.social Security Consultant @TrustedSec | Military grade meme poster, researcher, cloud penetration tester, voider of warranties. My thoughts are my own.
Kyle Avery @kyleavery.bsky.social https://x.com/kyleavery_
DEF CON @defcon.bsky.social The worldโs premier hacker conference. Serving the global hacker community since 1993.
Defcon.org
Forum.defcon.org
Defcon.social
Jeff McJunkin @jeffmcjunkin.bsky.social IT generalist with an infosec slant. Testing out the new hotness over here.
Alethe @alethe.bsky.social โUh-Lee-thโ | Bishop Fox ๐ฆ Red Team | DEF CON Goon & Black Badge Hall of Fame | DEF CON Social Engineering CTF Winner 2019 | Physical Pentester | IVR Pentester | IR Tabletop King ๐
Safa ๐ฟ๐ฆ in NorCal ๐บ๐ธ - Fish ๐ Nerd - Jeep Girl
Sherrod @sherrod.bsky.social Itโs me. Sherrod DeGrippo 
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
GreyNoise @greynoise.io GreyNoise analyzes Internet background noise. Use GreyNoise to remove pointless security alerts, find compromised devices, or identify emerging threats.
ลukasz @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 โจ๐๐ฆ
Rob Joyce @rgblights.bsky.social Cyber guy. Former NSA cybersecurity director and chief of TAO. Lover of memes. Warning - occasional outrageous Christmas light content.
Meredith Whittaker @meredithmeredith.bsky.social President of Signal, Chief Advisor to AI Now Institute 
John Strand @strandjs.bsky.social I do cool Infosec stuff with cool people.
I will light the way by the bridges I burn.
Chick3nman @chick3nman.bsky.social Sam Croley, Austin based password cracker & researcher; Team Hashcat Core Dev; Principal Threat Emulation & Offensive Security
chompie @chompie.rip hacker, poster, weird machine mechanic
https://chompie.rip
evilmog @mog.evil.af X-Force, Shenanigans, Hashcat, Church of WiFi, Black Badges, MUDs, Dad Jokes, some Infosec.
Twitter: @evil_mog
XPN @xpnsec.com Hacker for hire at @specterops.bsky.social
Blog: https://blog.xpnsec.com
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
corgi @c0rg1.bsky.social I hack things
Lisa Forte @lisaforte.bsky.social Cyber security, climbing, caving and diving! ๐