lazarusholic @lazarusholic.bsky.social a big fan of lazarus. https://lazarus.day
Ian Carroll @ian.sh Founder @ Seats.aero. Travel/points, application security, security research, etc.
samhain @samhain.bsky.samhain.tech Software engineer. Former astrophysicist. Security enthusiast and electronics hobbyist. Into music and cute animals. Identifies with hackers, freaks, and weirdos. People should be free to be their authentic selves. Passionately anti-authoritarian. He/They.
Tom Uren @tom.risky.biz Author of the Seriously Risky Business cyber security newsletter
Patrick Gray @patrick.risky.biz https://risky.biz/
Chris Krebs @thekrebscycle.bsky.social Aka @c_c_krebs over there 
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
Katie Nickels @likethecoins.bsky.social 
cje @cje.io founder @bugcrowd && co-founder @disclose_io || hacker, entrepreneur, executive, advisor || عصا موسى || #w00w00
Andrew Morris @andrewmorr.is 🔳 founder of @greynoise.io. computers, networks, technology enthusiast. big goober.
Chad Loder @chadloder.dev The purpose of a system is what it does. 🌪️ they/them
The Hacker's Choice (1995) @hackerschoice.bsky.social Security Research Group.
@cktricky.bsky.social @cktricky.bsky.social 
Leigh Culley @leighculley.bsky.social Cyber security type. Usually.
Tod Beardsley @todb.hugesuccess.org #InfoSec person. KT0DBK is my callsign. IT guy for @clairereynoldsforcongress.org
I post more often on https://infosec.exchange/@todb, bridged here as @todb2.hugesuccess.org and turns out, is much more #infosec than #txpol political. Follow both!
gradius @gradius.bsky.social Infosec, CTFs, Python/Rust, space, video/board/tabletop games
he/they
Federico Kirschbaum @fede-k.bsky.social Professional TCP/IP hitchhiker
~ Experimenting at @XBOW.com Security Lab
~ Casting spells ekoparty.org
Matt Johansen @mattjay.com Friendly neighborhood cybersecurity guy | expect infosec news, appsec, cloud, dfir. | Long Island elder emo in ATX.
vulnu.com <- sign up for my weekly cybersecurity newsletter
Patrick C Miller @patrickcmiller.bsky.social Critical Infrastructure & Industrial Security Advisor. Ampyx Cyber CEO. Public speaker. Airport dweller. Recovering regulator. BEERISAC member. CCI US Coordinator. Former SANS Instructor.
#ICS #OT #NERCCIP #NIST #IEC62443 #NIS2 #CRA #SlavaUkraini
Stacy Thayer @stacythayer.bsky.social Professor of Cyberpsychology, Ph.D. & MBA., Tech Event Planner, former founder of SOURCE Conf, partner, mom of twins, LOTR fan, lover of video games, and lifelong learner
Whitney Champion 🍪 @whit.zip security architect / co-founder @digitaldefenseinstitute.com / co-founder Recon InfoSec
♥♥♥ == @eric.zip, nerdery, rainbows, sweatpants
she/her | mama of 3 | 🤍🙏🌿🌈🍄
unicorns.lol
https://short-stack.net
whitneychampion.com/portfolio
Eric Capuano @eric.zip - Dad of two <3
- Co-founder Recon InfoSec
- SANS DFIR Instructor
- BlackHat Trainer
- IANS Faculty
- Trainer @digitaldefenseinstitute.com
- Blog: https://blog.ecapuano.com
- ⬡ ODESZA, Lane 8, Kasbo 🎧
- ❤ @whit.zip
Martin Roesch @mroesch.bsky.social 👨💼Head of Cloud @ Vectra AI
⛵️Sailor
🔭Amateur Astronomer
📷(Very) Amateur Photographer
🐷 The Snort Guy
📍 Annapolis
Nicholas Weaver @ncweaver.skerry-tech.com Researcher, Computer Security @ ICSI
Chief Mad Scientist @ Skerry Technologies
Putting the Science in "Mad Science"
Digital, Explainable, and (usually) Adversarial Systems
Looking for employment: CV is here https://skerry-tech.com/cv.html
he/him
SwiftOnSecurity @swiftonsecurity.com computer security person. former helpdesk
Steve Springett @stevespringett.bsky.social Father, husband, cybersecurity professional, lover of all things that go “vrooom”, and avid watch collector.
Creator of OWASP Dependency-Track. Chair of CycloneDX. Founder of Ecma TC54. OWASP Global Board of Directors.
https://about.me/stevespringett
William Toll @utollwi.bsky.social B2B Marketing Executive - Love: Cloud | #DevOps | #Cybersecurity | #SaaS | MSPs | #B2B | #GTM | #PMM | #Channel | #Berlin | #Boston Curation & Posts by me, not my employer
Chuck D @chuckdpe.bsky.social RapARTivist GET OUR Culture APPS at RsTVapp.com RapCentralStation.net
Jaime Blasco @jaimeblascob.bsky.social Cofounder and CTO at Nudge Security. Ex-AlienVault. Talking about AI, Threat Intel, SaaS security
Malware Unicorn @malwareunicorn.bsky.social @Straiker. Ex-Microsoft. Ex-Meta RedTeam, Ex-Endgame, Ex Fireeye. malwareunicorn.org
kuzushi @kuzushi.bsky.social I am the co-founder of @cactuscon | ex @bishopfox ex @spiderlabs | currently pursuing a phd at UdeG in ML & OffSec. https://sensecurity.io
slayer of applications | not a super villain
Ron Bowes @iagox86.bsky.social Staff Product Detection Engineer @ Censys. https://skullsecurity.org
Mostly post about professional stuff, maybe some improv stuff and maybe even magic some day. Seattle-based (originally Canadian), queer, cybersecurity nerd.
(He/him)
Jesse D'Aguanno @x30n.bsky.social Hacker, Vuln Research, 2x winner DEF CON CTF, Founder & CEO Blackwing Intelligence, not a CISSP 
CyberLarry @cyberlarry.bsky.social Larry and I are re-training in the field of cybersecurity. We'll be posting about things we've learned during our venture... Maybe others will learn something from our findings, maybe others will teach us some bits.
Jorge Orchilles @jorgeorchilles.bsky.social SANS Principal Instructor & Author #SEC565 | #RedTeam | #PurpleTeam | #PenTest | #C2Matrix Creator | ATT&CK & Atomic Red Team Contributor | Published Author
d0nut @d0nut.dev 🦀 Rust + Security 🔑
b1ack0wl @b1ack0wl.com 0day Researcher @ ████████████ / Baker / 0wl
// I post random things on here
Joseph Menn @joemenn.bsky.social Washington Post alum covering hacking, disinformation and what’s left of privacy. Author of books on the Cult of the Dead Cow, organized criminal hacking, and Napster. Pulitzer co-finalist 2024. Signal joemenn.01
Aloïs Thévenot @techbrunch.fr Jack of all trades, master of some. CTO / Pentester
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
Glenn Kurtzrock ☠️🐄 @glennkurtzrock.com 
obscure - cDc 🅅 @obscure.bsky.social I am angry, I am ill, and I am as ugly as sin. My irritability keeps me alive and kicking. I know the meaning of life, it doesn’t help me a bit.
cDc Cultee
tweety fish @sifu.tweety.fish at different times:
haxx0r in cDc
PhD in using people for ML and vice versa
"theory of mind for autonomous cars" startup guy would you believe, went kablooie
at present: newsletter -- buttondown.email/apperceptive
&c music, politics, nonsense
The Official Pulpit of CULT OF THE DEAD COW @cultdeadcow.com www.cultdeadcow.com
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
Deth Veggie @dethveggie.bsky.social Herr Doktor Professor Deth Vegetable -- CULT OF THE DEAD COW -- .ooM
Hacker / Archaeologist / Gadabout / Professional Something-or-Other. Anti-fascist and Pro-science. As the old axiom says, reality has a liberal bias.
Nazis need to be punched.
me @tgrbrd.bsky.social I do stuff and things.
The rise of AI gives me hope that one day computers will feel as bad about themselves as they should.
The Shadowserver Foundation @shadowserver.bsky.social Our mission is to make the Internet more secure by bringing to light vulnerabilities, malicious activity and emerging threats. Join our Alliance!
https://shadowserver.org/partner
Caitlin Condon @catc0n.bsky.social Adventurer. Takes a lot of photos, calls many places home. VP of research @VulnCheck. Previously vulnerability research director @Rapid7 / @metasploit.
cji @cji.bsky.social Cloud Threat Detection @google. Kubernetes SRC & Containerd Security Advisor.
jduck @jduck.me Continuously learning about computer security through research and development.- I Pete Morgan @itspetemorgan.bsky.social
Zack Proser @zackproser.bsky.social https://zackproser.com
Applied AI @ WorkOS
#buildinginpublic
AuDHD
👨💻 full-stack open-source hacker
✍️ technical writer
🎨 visual artist
Previously: Pinecone, Gruntwork.io, Cloudflare, Proofpoint, BrightContext
Jeff Jarmoc @jjarmoc.bsky.social Yet another security person.
All out of batteries, but still making noise!
Julien @julien.io 🛡️ Field CISO EMEA @ Cohesity
🎓 Lecturer @ Ecole2600 🏴☠️
🗣️ 🇫🇷 & 🇬🇧
🏴☠️💰 Owner of https://ransomware.live
Daniel Cuthbert @dcuthbert.bsky.social Ageing hacker, long time documentary photographer. Black Hat Review board. Now sitting on numerous government cyber security boards so I guess that means I’ve grown up right?
the grugq @thegrugq.bsky.social 
Haroon Meer @haroonmeer.canary.love Security Geek. We build Thinkst Canary - https://canary.tools
jstnkndy @jstnkndy.bsky.social Infosec professional, beverage snob, and fantasy book consumer. Vice President @ Atredis Partners. Forever terrified of Kithicor.
🔮 Daniel Hückmann @sanitybit.com ∞ 42 ∞
📷 Photography: @danielhuckmann.com
🌐 Organizer: @rainsec.org || @netsec.bsky.social
🦋 InfoSec, Psychedelics, Psychology, & Neuroscience
Andrew Couts @couts.bsky.social Security & Investigations Director at @WIRED.com. Send tips and/or dog pics.
Signal: couts.01
lcamtuf @lcamtuf.coredump.cx Substack: http://lcamtuf.substack.com/archive
Homepage: http://lcamtuf.coredump.cx
James Kettle @jameskettle.com Director of Research at @portswigger.net
Also known as albinowax
Portfolio: https://jameskettle.com/
Katelyn 🅅 Medusfour @medus4.com Activist, Hacker cosplayer, Artist. Data economy abolitionist.
@cdc_pulpit Sinfluencer, Head of Humanity @ Veilid, designer of weird shirts at hack.xxx
I love gross terrifying things. Because I am one
sshell @sshell.co propane and propane accessories
ai + security research
ccdc red team
~billswearingen☎️# @hevnsnt.bsky.social Nationstate Cybersecurity: OG #SecKC #KansasCity haKCer, custom hardware dev, nano user, python advocate, & #23isreal. I forked ur Github to steal ur codez #. Current IP Address: 0.0.0.0
Jason Haddix @jhaddix.bsky.social CEO, CISO, Trainer, Hacker, and Speaker.
AI + hacking + sec leadership.
ex:BuddoBot-Ubisoft-Bugcrowd-Fortify-HP-Redspin-Citrix.
syndrowm @syndrowm.com Hacker, CTF, CCDC, BJJ Brown Belt, python, rust, malware
https://www.offensivecontext.com
https://puck.tools
https://www.malicious.fit
jmhmccr @jmhmccr.bsky.social Software generalist, currently concentrating on development in Ruby, TypeScript, Kotlin, C, Javascript, Svelte, React, Next, etc.
Based in Stuttgart.
Bobby Quine @quine.bsky.social Curmudgeonly computer security person. Opinions (and the like) are mine.
wirepair @wirepair.bsky.social Personal: https://wirepair.org - building an MMORPG
Work: Principal Vulnerability Researcher @ GitLab
Post more on mastodon: @wirepair@mastodon.social
Brian @weaponplus.bsky.social Cybersecurity, Security Engineering, Attack Surface Management, Vulnerability Management. Lover of Star Wars, Captain America, golf and Democracy.
Greg Foss @gregfoss.com Security Research Leader @ Datadog
Views are strictly my own
@clarkee.co.uk @clarkee.co.uk 
Dan Goodin @dangoodin.bsky.social Cybersecurity Reporter, Ars Technica: https://arstechnica.com/author/dan-goodin/ Hungry for tips. Text me on Signal: DanArs.82. "The world isn’t run by weapons anymore, or energy, or money. It’s run by little 1s and 0s, little bits of data."
Center for Angletonian Thought @blackthr0atedwind.bsky.social Former national security executive, ailing distance runner, and struggling girl dad. Run a private intelligence company that supports public and private sector objectives. Based in Washington D.C.
Joo N/A @joohoi.bsky.social Hacks for beer. FOSS, infosec and privacy. Chaotic good.
Alvaro Muñoz @pwntester.bsky.social Security Researcher with @GHSecurityLab. CTF #int3pids. Opinions here are mine!
@halvarflake.bsky.social @halvarflake.bsky.social 
Dave Aitel @daveaitel.bsky.social 
Koto @kkotowicz.bsky.social Security ninja wannabe / board game geek / photon catcher
Robert Graham @erratarob.bsky.social @erratarob on the hellscape site
Catalin Cimpanu @campuscodi.risky.biz ☆ Cybersecurity reporter
★ Newsletters at Risky Business
#infosec #cybersecurity
https://risky.biz
Chris Wysopal @weld.bsky.social Gray haired gray hat. Co-founder Veracode. Former L0pht security researcher. Builds tools to find and fix vulnerabilities in code at scale.
Jun34u @jun34u.bsky.social Alaskan in Los Angeles. Chaotic idealist.
Hacker, Writer, and Game Theorist
cDc Cultist
Forever Script Kiddie
She/They 🏳️🌈🏴☠️
DilDog 🅅 @dildog.l0pht.com Tech Dysangelist
cDc/hack.xxx/Veilid
Support Veilid! Badge: 🅅 www.veilid.com
Merch at: @hack.xxx
he/him/"hey buddy"
Adam J O’Donnell @adamjodonnell.bsky.social Deputy CISO @ Stripe. I like art. cDc ❤️🫵
joern @jrn.bsky.social Still your mom’s favorite hacker!
Matt Jezorek @mattjezorek.com views likely to change as I learn from new data.
Bitquark @bitquark.io 🥷 British hacker and coder
✨ Space and language nerd
🎩 Black Hat EU review board
🐈 Neurodivergent. Poly. He/him.
🛠️ https://github.com/bitquark- T steev @threeway.bsky.social I did Kali Linux ARM things. Now I do Parrot ARM things.
@ryanhuber @ryanhuber.bsky.social N̶o̶t̶r̶e̶p̶r̶e̶n̶e̶u̶r̶, Thought Thinker. CEO @ defined.net. Coauthor of Nebula http://github.com/slackhq/nebula. Cheese aficionado.
Distorted Reality @distortedreality.io Thomas Richards
Glitch artist | hacker | ROC
Steve @bsky.vitriol.net UNIVERSAL DONOR. Lone Road Warrior. Rundown on the Powder Lakes (V8). No guzzoline. No supplies. ISOLATE PSYCHOTIC. Keep muzzled.
Trevor Rosen @trevrosen.bsky.social bit whisperer | strings of all kinds | supply chain security at GitHub | opinions belong to me
Mike Damm @mikedamm.bsky.social ଘ(੭*ˊᵕˋ)੭* ̀ˋ ɪɴᴛᴇʀɴᴇᴛ
TomNomNom @tomnomnom.com Computer booper and food enthusiast. He/him.
Ben Edwards @bjedwards.bsky.social Security Data Nerd at Bitsight. Love me a good latent variable statistical model. Constantly balancing aesthetics vs usefulness in data viz.
Trying to combat cyber FUD.