SLEUTHCON @sleuthcon.bsky.social Tickets for 2026 are now available!
https://www.sleuthcon.com
Signal Check / Adrian North @a-signalcheck.bsky.social 🎙️ Tech, security & outdoor fun! Join Adrian on the Signal Check podcast! 🌲
https://a-signalcheck.transistor.fm/
Mick Baccio @nohackme.thruntcon.com Purveyor of Fine Experiences.
Keyboard Cowboy meets Keyboard Cat.
Shitpost Veteran.
President & Chairman, THRUNT®️ Corp.
Jeffrey King @jeffreyking01.bsky.social Hatch Act bound. Reformed hacker. Runner. Now accepting connection requests from all Chinese and Russian nation-state hackers!
Martin Wendiggensen @machinavelli.com PhD candidate @ JHU Alperovitch Institute ; AI Research Scientist @ Dreadnode
Winnona @winnona.bsky.social @DistrictCon Founder. Hacker and attorney. @CyberStatecraft / @BelferCenter fellow, ex-Google threat research. Dog mom. Opinions=my own 👩🏻💻
Kathryn Cramer 📚🎨 @kathryncramer.bsky.social LLM researcher @UVM Computational Story Lab. Science Fiction Writer & Editor. Artist. Farmer. Westport, NY
BSides Pyongyang @bsidespyongyang.bsky.social 🇰🇵 #BSidesPyongyang2025 : Nov 18 2025 (Missile Industry Day) @ Lazarus HQ Pyongyang
https://bsidespyongyang.com/
Toddzilla @cryptodd.bsky.social California native, Omdia (formerly Enterprise Strategy Group) analyst, cybersecurity geek, soccer goalkeeping phenom. Crypto = cryptography, Views=mine, Reposts≠endorsement
Active Measures, LLC @activemeasures.bsky.social Active Measures, LLC is a full service research and writing firm. For details see activemeasuresllc dot com or reach out to walkin [at] activemeasuresllc [dot] com.
Héctor López @oihec.bsky.social hacker mexicano de OIHEC
InfoSec Industry @infosecindustry.bsky.social InfoSec Industry is the leading source of curated intelligence for security and privacy professionals since 2014.
Visit our website at https://infosecindustry.com
Ron Gula @rongula.bsky.social I invest in solutions that protect the nation's cyberspace. President Gula Tech Adventures, Co-founder Tenable, Former NSA and amateur animator.
Phrack Zine @phrack.org since 1985
https://phrack.org
David @ InnoVirtuoso @innovirtuoso.bsky.social Blog @ www.InnoVirtuoso.com | InfoSec, Cyber, AI Enthusiast | I write about Tech and News, AI, BCI, and other IT stuff.
Contact me at 📧 info@innovirtuoso.com
#BruceSterling @bruces.bsky.social Author, journalist, editor and critic combining his time in Turin, Austin, Ibiza, Belgrade etc #BruceSterling
Allan Rowland @allanrowland.bsky.social Video editor, Founder, technologist /simplifying advanced technology for future-thinking companies.
https://linktr.ee/AllanRowland
OpenVPN @openvpninc.bsky.social Give your teams the freedom to work securely anywhere with private access, secure web access, and SaaS protection with the Zero Trust VPN from OpenVPN. https://openvpn.net
Cannibal 🦙 @elcannibal.bsky.social @cannibal on Twitter
Ex medical infosec. Red team. Threat hunter. Patient safety. Locksport. Metal work. I break things. #MakeShitMonday 3Dprinting. less cyber more security. Maker, but mostly breaker. 
Bart Thijssen @bartthijssen.bsky.social Master of (Keeping/Stealing) your Secrets | Security Advisor & Intel Analyst | Civil Servant @ BE | Klopjacht-speurder | IT Eng. + Pol. Sci. | Posts my own
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
Julia Knecht @juliak.bsky.social Security, mostly.
Vitor Ventura @vventura.bsky.social My post reflect my own opinions not my employer.
[REDACTED] @beardofcnorris.bsky.social In the fridge behind the mustard!!!
Rop Gonggrijp @rop.gonggri.jp Doomscroller avant la lettre. This account is in English, public replies in other languages will be hidden.
Occasional posts in Dutch on @rop.nl and in German on @deutsch.rop.nl
Arkady Martine | Dr. AnnaLinden Weller @byzantienne.bsky.social speculative fiction (Teixcalaan series, ROSE/HOUSE), climate & energy policy (all statements my own), Byzantinist (nonpracticing but never not true).
unfortunately, I care about power lines now
she/her. halfway between Santa Fe and NYC.
Jay 🦋 @jay.bsky.team Founder & Chief Innovation Officer @ Bluesky
Working on @attie.ai
🌱 🪴 🌳
Meredith Whittaker @meredithmeredith.bsky.social President of Signal, Chief Advisor to AI Now Institute 
Robert Heck @devrheck.bsky.social Crypto developer with a passion for blockchain, security, and decentralized solutions. Building innovative, scalable projects and exploring the intersection of tech and island life
Addie LaMarr✨ @addielamarr.bsky.social cybersecurity girlie arming you with tools to resist the surveillance state 🥰🎀 AuDHD. fitness. solarpunk tech. activism. cryptography nerd. usaf veteran.
Marcela @marcelam11.bsky.social optimist WomanInTech • commuter mom ♡ CyberSec • AI • books • art • sport • kindness • minimalism • eternally curious 🇪🇺 mover • former Prof • my views 💙
Aryeh Goretsky @goretsky.bsky.social Security researcher & antivirus pioneer | alum of ESET, McAfee | Microsoft MVP awardee | Mod @Lenovo, @Neowin.Net, Scots Newsletter forums | Intel Insider Council member | Repost ≠ endorse.
Phillip Wylie @phillipwylie.bsky.social Offensive Security Professional | Phillip Wylie Show Podcast Host | The Pentester Blueprint coauthor | TribeOfHackers Red Team | https://linktr.ee/phillipwylie
Jeffrey Ding @jeffreyding.bsky.social Assistant Professor at George Washington University | technology and int'l politics | newsletter on China's AI landscape: http://chinai.substack.com
Cris Brafman Kittner @criskittner.bsky.social military strategy, geopolitical analysis, CTI, avid photographer
Miss Jackalope @missjackalopedj.bsky.social Drum and Bass + electro + basshouse DJ // Twitch.tv/MissJackalope // Legendary Merch MissJackalope.store // DEF CON Resident DJ // YouTube.com/@missjackalope for claw games and DJ replays and Japan fun
ShmooCon @shmoocon.bsky.social Jan 10-12, 2025
Washington, D.C.
Less 🫎 Than Ever
This account is mostly used to push information. Got questions? Email us at info @ shmoocon.org.
Heidishmoo @heidishmoo.bsky.social Mom, Wife, Friend
Loves 🚴♀️ and🚶♀️, but not 🏃♂️.
Also known for liking 🥃 and 🍫 and 🥓.
Believes that centaurs wear 🪖s. 
Aaron Mauro @aaronmauro.bsky.social Associate Professor of Digital Media in the Department of Digital Humanities at Brock University. Niagara, Canada.
www.aaronmauro.cfdh.ca
TruBluFan @trublufan.bsky.social @defcon.bsky.social Speaker Ops #Goon, DEFCON.social moderator, @BSidesCharm.bsky.social and @bsidesphilly.bsky.social organizer, CISSP
bk @handle.invalid Security and insecurity things.
Victor Huisman @victorhuisman.bsky.social Father | IT entrepreneur | runner | newsjunky | hacker | Swiss knife | early adopter | Bestuur D66 Delft
@tripkrant.bsky.social @tripkrant.bsky.social 
Natalie Silvanovich @natashenka.bsky.social Google Project Zero
Hamid Kashfi @darkcell.bsky.social I do computers @ DarkCell.se / @hkashfi at X
Andrew Case @attrc.bsky.social Volatility Core developer, Dir. of Research Volexity, LSU Cyber
Jeremy Kirk @jkirk.bsky.social Okta Threat Intelligence. Personal account. Interests: Cyber threat intelligence, OSINT, data breaches, AI. Formerly intel analysis @ Intel 471. jeremykirk.com
Microsoft @microsoft.com AI, Cloud, Productivity, Computing, Gaming & Apps ☀️
Anthony @darkfloyd1216.bsky.social VXRL/VXCON/Blackhat Asia & USA review board/Browser vulnerability & exploitation
JustAskPenny @justaskpenny.bsky.social CISO preparing for the AI Singularity 🛡️📡🛰️⛓️🪙🤖 www.justaskpenny.com
KoolSpan @koolspan.bsky.social The world’s leading provider of secure communication solutions for organisations with the utmost privacy and security needs.
https://koolspan.com/
jwics @jwics.bsky.social Regional Operations Director at S32 Technologies focused on Next Generation Signals Intelligence, Cyberwarfare & Satellite Engineering
Neal Stephenson @nealstephenson.bsky.social Maker of books and other things
ℵ₁ @aleph1.underground.org 
Ralph Logan @rkl.bsky.social 
adafruit @adafruit.com Engineer - Founder of Adafruit - Brooklyn, NY USA - Manufacturer, open-source hardware, certified Minority and Woman-owned Business Enterprise (M/WBE) https://adafruit.com - support https://forums.adafruit.com & order/customer help support@adafruit.com
Jason Scott @textfiles.com Free-Range Archivist at the Internet Archive. TEXTFILES.COM guy. Documentary and Podcast creator. Troublemaker.
William Gibson @greatdismal.bsky.social Author of Neuromancer and, most recently, Agency (still above from “Kill Switch”, The X-Files, Season 5, Episode 11, co-written with Tom Maddox)
Fight for the Future @fightforthefuture.org 👊 Battling techno-fascism with our Internet-savvy blend of attention-grabbing activism and mass mobilization.
https://www.fightforthefuture.org/2026
Privacy Chap @privacychap.bsky.social Security, Defence, Cybersecurity, Privacy, Politics - areas of interest / active in.
It was like this when I found it @ifounditthisway.bsky.social Seriously, it was already like that.
#PvJCTF Red Cell
Opinions are mine and not necessarily those of my employer, clients, vendors, armorer, shaman...
Speedrussr @morpheusgameworks.com Just an old hacker who works at Xbox. Former COO of DEF CON and retired goon of 20 years. VP at BSides LV. Professor. Security and Gaming nerd.
YouTube Channel (hot tea!) https://www.youtube.com/@HotTeaFanatics
Secrets & Spies Podcast: Global Affairs | Intelligence @secretsandspies.bsky.social A transatlantic podcast exploring the world of espionage, terrorism, geopolitics, and intrigue | Co-hosted by @chriscarrfilm.bsky.social and @mattfulton.net | linktr.ee/secretsandspies
@ooda.com @ooda.com 
Cesar Martinez 🇲🇽🇺🇸🇮🇱🇺🇦 @cesarcme.bsky.social Economist (@itam-mx.bsky.social), Public Policy PhD (UT Austin) | Trying to build a better, safer & more resilient future | Ordoliberal
Robert Auger @robertauger.bsky.social 25 years Appsec,PurpleTeam,Web Application Security Consortium(WASC) cofounder,Baythreat Organizer,Ex-PayPal/eBay/Box/Workday/Coinbase infosec. http://Sectemplates.com | https://www.cgisecurity.com/ | https://github.com/securitytemplates/sectemplates
Greg Balnis on Cybersecurity @cybersecurity.balnis.eu #cybersecurity #appsec #privacy #dataprotection
ac@t:~# @iangelus.bsky.social Scio me nihil scire. #ThreatIntel/#CTI now. #IncidentResponse/#IR prior. Humanities (AB in Φ & in Communication) grad, ex-seminarian (λόγος). Impostor Syndrome ∞. Opinions∴mine. Also me: x.com/iAngelus
Greg Lesnewich @greg-l.bsky.social oh great, now I’m on bluesky 
@lindsaysfreeman.bsky.social @lindsaysfreeman.bsky.social 
aurora borealis @princessauroraj.bsky.social research cyber stuff at spycloud labs
lois pain at acd & la derby dolls
Kenn White @kennwhite.bsky.social cryptography • neuro • cloud • biscuits
ORD-DCA-NYC-BCN ✈️
kennwhite@mastodon.social
Steve Battista @mitresteve.bsky.social Survivor of almost 35 years of the Cybersecurity game.
1. When you around long enough, everything is your fault.
2. Nothing beats a good backup. 
Tammy Hawkins @tammytalkssecurity.bsky.social Security is kinda my thing. 👩💻
Vinoth Deivasigamani @vinothd.bsky.social I lead silicon security architecture and silicon security operations teams at #Google. Previously, silicon security at #Qualcomm.
These days I work on Tensor/Pixel and Android security
CYBERLAWCON @cyberlawcon.bsky.social Join us in shaping the future of cyberlaw on Friday, February 28, 2025 in Arlington, VA.
@pwcrack.bsky.social @pwcrack.bsky.social 
Jonas Juffinger @notimaginary.bsky.social PhD Student TU Graz trying to improve computer security.
Follow me on instagram for photos and videos: @jonas.juffinger
he/him
https://www.jonasjuffinger.com
Alex Perez Palma (APP) @app-01.bsky.social CTI @ Workday, CTM-CMM Co-Author, former Sec Researcher @ Cisco Talos, Booz Allen Hamilton, Speaker, Leader
SentinelOne @sentinelone.com The world’s most advanced, autonomous AI-powered cybersecurity platform. We empower the world to run securely, with leading organizations trusting us to Secure Tomorrow™. Secure your enterprise: http://sentinelone.com/request-demo/
Emily Liu @emilyliu.me this bio is left as an exercise to the reader
🌱 emilyliu.me
DevSec @devsec.com A collective of hackers, spies, quants, and coders focused on unique intelligence analysis, research, and investigations. DevSec.com
Per Morten Sandstad @pmsandstad.bsky.social Cyber Threat Intelligence | Incident Response | 127.0.0.1@Oslo.Norway | $job@mnemonic.no
Gerry @gdb.bsky.social Cats, Telecom/HFC/FTTx/data centers/ISP’s/Internet routing/datacom, physical/logical security. Mastodon:gdb@defcon.social. Esperanto, Locksport, infosec, amateur radio, electronics/programming, 3D printing, DEFCON, Supercon, reading, red wine, bourbon
Adarsh Kyadige @aroacearrowace.bsky.social ML-Sec Researcher @ Sophos AI
Debra J Farber @privacyguru.bsky.social Post about Privacy, Security, Ethical Tech, AI & Safety
Vancouver, WA
https://shiftingprivacyleft.buzzsprout.com/
#PrivacySky
Interests: democracy; sci-fi; trivia; puzzles; & my beaglier
edx @edx.bsky.social he/him
security, drum & bass, stuff & things
the skeeter formerly known as @criznash
aha, w00, reddit.com/r/malware, crashish.blogspot.com
Daniel Gruss @gruss.cc Aka @lavados #InfoSec University Professor @ #TUGraz. #meltdown, #spectre, #rowhammer, cache attacks, sustainable security. Produced a side channel security sitcom. https://gruss.cc https://x.com/lavados https://infosec.exchange/@lavados
@cyberdef.bsky.social @cyberdef.bsky.social 
Eric Evenchick @ee.bsky.social Hardware / Embedded Security Human
💼 Co-founder @tetrelsec.com
🏠 Toronto
He / Him 🏳️🌈
Instacyber @instacyber.bsky.social Reveals APTs with one easy application! | Artificial amateurs, aren't at all amazing // Analytically, I assault, animate things
Gate 15 @gate15.bsky.social Risk Management: Threat Intel & Analysis, Operations, Preparedness & Critical Infrastructure Security/Cybersecurity & Resilience
Hanna Dohmen @hannadohmen.bsky.social Analyst @CSET & Nonresident Fellow @AtlanticCouncil | Part-time JD Candidate @GeorgetownLaw | Economic Security, US-China tech competition, Semiconductors | Views my own
Uncle Joe @sydseter.com Co-leader OWASP Cornucopia. If you like what we do for open source, visit our code repository https://github.com/OWASP/cornucopia and give us a star ⭐
🌈 «Difference is of the essence of humanity» 🦄 – John Hume
#appsec #owasp #cornucopia #threatmodeling
@malwarekittens.bsky.social @malwarekittens.bsky.social 
Robert McMillan @bobmcmillan.bsky.social Cybersecurity reporter for the Wall Street Journal