Marc-Uwe Kling @marcuwekling.bsky.social 
Allan “Ransomware Sommelier” Liska @ransomwaresommelier.com Recorded Future - Ransomware Researcher
Owner @greenarcher.io - Yours Truly, Johnny Dollar | The Press Guardian | The Clock | The Green Archer
Weird mix of security, comics, photography and wine!
www.greenarcher.io
Gynvael Coldwind @gynvael.bsky.social Security researcher/programmer ⁂ Managing director @ HexArcana ⁂ @DragonSectorCTF founder ⁂ he/him
Malware Unicorn @malwareunicorn.bsky.social @Straiker. Ex-Microsoft. Ex-Meta RedTeam, Ex-Endgame, Ex Fireeye. malwareunicorn.org
Maria Antoniak @mariaa.bsky.social NLP, cultural analytics. Assistant Professor of CS at University of Colorado Boulder. Books, bikes, games, art. https://maria-antoniak.github.io
Chi En (Ashley) Shen @ashl3y-shen.bsky.social Security researcher @ Cisco Talos. / Ex-Google TAG / Black Hat & HITCON review board / Organiser of Rhacklette. 
⚠️Mister Johnson⚠️ will see you @Defcon 34 @mrjhnsn.com IT Security Admin/Blue Team – He/Him/Fucker – Weapons Grade Shitposting
🇵🇸 Free Palestine
🏳️⚧️Trans Rights = Human Rights.
🅅 Veilid for the people.
Antifascist Tech Support ™️
Don’t like me, complain to my boss: 248-434-5508
MrJhnsn.com
SF, CA
Josh @sideofburritos.com Security, Tech, YouTube
Members: https://members.sideofburritos.com
My podcast: In the Shell: https://intheshellpodcast.com
don't just host your podcast. own it. https://yellowball.fm
YouTube: https://youtube.com/@sideofburritos
Tanya Janca | SheHacksPurple @shehackspurple.bsky.social Secure Code Trainer - Best-selling author of Alice and Bob Learn Secure Coding & Alice and Bob Learn Application Security. #AppSec she/her
https://shehackspurple.ca 🌻
Jrod @jrodr87.bsky.social Web and Mobile Application Pentester. Birds of Prey Rehab Volunteer. Retro Game Collector.
LaurieWired @lauriewired.bsky.social researcher @google; serial complexity unpacker
ex @ msft & aerospace
Ali @endingwithali.com software engineer @ fintech- content creator @ http://links.ali.dev - threatwire host @hak5 - @breakingthepod - nyc - ex @miteecs - jewish
TracketPacer @tracketpacer.com 🚀rockit network engineer
👩🏼💻ethernet fangirl
🛜 weird use cases & silly tech!
💌 tracket@tracketpacer.com
🌎 tracketpacer.com
dade @0xda.de Hacker, Rapper, Developer, dade.
https://0xda.de
The Official Pulpit of CULT OF THE DEAD COW @cultdeadcow.com www.cultdeadcow.com
mle @whyli.me Trying to leave things better than I found them, including the Internet • runner • security research @ Censys 🧡 she/her • @mle@infosec.exchange
GreyNoise @greynoise.io GreyNoise analyzes Internet background noise. Use GreyNoise to remove pointless security alerts, find compromised devices, or identify emerging threats.
Andrew Morris @andrewmorr.is 🔳 founder of @greynoise.io. computers, networks, technology enthusiast. big goober.
Silas Cutler @silascutler.bsky.social You may know me from your server logs.
#Malware, Hacks, Internet Scanning, #CTI
b1ack0wl @b1ack0wl.com 0day Researcher @ ████████████ / Baker / 0wl
// I post random things on here
Jordan Wiens @psifertex.bsky.social Binary Ninja dev, Cuber, EUC rider.
Max 'Libra' Kersten @maxkersten.nl Malware analyst and reverse engineer, author of the Binary Analysis Course. DMs are always open. Opinions are my own and not the views of my employer.
Josh Stroschein | The Cyber Yeti @jstrosch.bsky.social Reverse engineer at FLARE/Google | Pluralsight author | 😱 1M+ views on YT | 🎙️ Host of Behind the Binary podcast 👇
Alexandre Borges @alexandreborges.bsky.social Vulnerability Researcher | Exploit Developer (speaker 3x at DEF CON)
Alexis Cao @alexiscao.bsky.social CS at Johns Hopkins
https://alexiscao.github.io
Jeff Geerling @jeffgeerling.com Father, author, developer, maker. Sometimes called "an inflammatory enigma". #stl #ansible #k8s #raspberrypi #mac #crohns www.jeffgeerling.com
Ange @angealbertini.bsky.social Reverse engineer, file formats expert.
Corkami, CPS2Shock, PoC||GTFO, Sha1tered, Magika...
Security engineer @ Google. He/him.
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
Idrees 🌗 @idreesinc.com Open-source software dev, virtual toymaker, and amateur naturalist 🪴
Creator of Monocraft, the Apple Watch Pokétch, Waypoint, PlayBook, and other open-source stuff!
🔭 idreesinc.com
💻 github.com/IdreesInc
💬 https://discord.gg/6yxE9prcNc
Wondersmith_rae @raebaker.net OSINT Analyst | Maritime OSINT SME 🚢 | AI-Augmented Intel 🤖 | Speaker | Author of Deep Dive | Co-owner @KaseScenarios | Order: raebaker.net/book
arto @gahr.io rust / systems / devops
shubs @shubs.io Co-founder, security researcher. Building an attack surface management platform, @assetnote.io
Phrack Zine @phrack.org since 1985
https://phrack.org
Nadin 🩷 @dasnadii.bsky.social 💻 fullstack dev + soft gamer
🎧 kdramas / kpop / genshin / acnh
🧸 always tired but trying
🌱 here for cool moots
🧠 27
Christopher Luft @tekgrunt.bsky.social Co-Founder @LimaCharlie.io | Host of The Cybersecurity Defenders Podcast
I am interested in computer science, art & growing my own food. Working to disrupt the way cybersecurity tools and supporting infrastructure are delivered.
AnguaSec @anguasec.bsky.social Fuelled by caffeine and anxiety.
JPD Builds @jpdbuilds.com Look on my works, ye Mighty, and click ❤️!
https://jpdbuilds.com
Ian Coldwater 🧊🚫 @lookitup.baby Kubernetes SIG Security Co-Chair, container escape artist, goose in the mainframe. Minneapolis. They/them. Stay punk 🏴
MSP feed info: https://bsky.app/profile/amityf.bsky.social/post/3mrv36uo4pc2a
B:\a.zza @mcbazza.com I.T. geek. Does things with computers/tech.
All views are own. Don't take seriously. Or, should you?
Servant to 5x cats. He/him
You may know me as 'mcbazza' on the bird-site
The Citizen Lab @citizenlab.ca We are an academic research unit at the University of Toronto investigating novel threats to democracy, human rights, and global security in the digital ecosystem.
Alyssa Miller 🦄👩✈️ @alyssam-infosec.com Hacker, CISO, and commercial pilot. Certified Bluesky Elder. Author and International Speaker, Chief advocate of #DoBetterBeBetter
Compassion and empathy are traits in short supply but necessary to make this world a better place.
alyssasec.com
chronoloper @chronoloper.foo occasionally I do interesting things with computers
opinions are my own but I have strong opinions
he/him
Gili Yankovitch @handle.invalid Embedded Security Expert 💻, Entrepreneur 👨💼, Maker 🔧, D&D DM 🐲, Hacker 👨💻, Learner 📖
CCC @ccc.de Der Chaos Computer Club ist eine galaktische Gemeinschaft von Lebewesen für Informationsfreiheit und Technikfolgenabschätzung. https://ccc.de
Rob Rothwell @rothwell.bsky.social ICS/OT security nerd in Scotland. Breaking computers in new ways since the age of 7. Often grumpy about the state of the world.
Stephan Beirer @beirer.bsky.social I do ICS/OT security and stuff with critical infrastructure. Editor ISO/IEC 27019, BEER-ISAC #022, physicist by education and by heart | CEO & Team Lead ICS/OT Security @ GAI NetConsult | Berlin/DE. This is a private account.
MITRE ATT&CK @attack.mitre.org MITRE ATT&CK® - A knowledge base for describing the behavior of adversaries. Replying/Following/Reposting ≠ endorsement.
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
Jake Williams @malwarejake.bsky.social Breaker of software, responder of incidents, IANS Faculty, VP R&D Hunter Strategy.
Kevin Beaumont @doublepulsar.com cybersecurity weather man. scanning the horizons for cloudy cyber. Expert at nothing except computer rubbish. Anti-ransomware since 2015.
Andy Greenberg @agreenberg.bsky.social Writer for WIRED. Author of SANDWORM. Latest book, TRACERS IN THE DARK: The Global Hunt for the Crime Lords of Cryptocurrency, out now. agreenberg@wired.com. Andy.01 on Signal.
Chris Sistrunk @chrissistrunk.bsky.social Husband, Dad, ⚡EE⚡, OT Security,
OT Practice Leader @Mandiant.com,
Ex-Entergy 💡, BEER-ISAC #002, LaTech Alum
#BBQ, Bourbon, Mississippi Sippers 🥃🦟, weirdo, klugemeister, #sockstatus, #dadjokes #DJaaS #NAPCON Keynote
📍 Mississippi, y'all
Phil Stokes ⫍🐠⫎ @philofishal.bsky.social macOS security researcher espousing no one's opinions but my own. Dogged follower of #lufc, at least until the world stops going round (IYKYK).
philastokes.com
Cyber Detective @cybdetective.bsky.social Every day I write about #osint (Open Source Intelligence) tools and techniques. Also little bit about forensics and other cybersecurity related themes
Benjamin Strick @bendobrown.bsky.social Investigator | Human Rights | Hybrid Wars
- Makes videos on maps, data & #OSINT
- Director of Investigations at @cen4infores.bsky.social
- Prev at BBC Africa Eye. Bellingcat contributor.
Rachel @0x12734568.bsky.social Hacking, cybersecurity, space stuff.
Future protector of lil space computers.
✨🛰️✨
👩🏻💻 📡
Joseph @eflags.bsky.social Forensic Analyst, Reverse Engineer. Opinions mine
🅺0_🅶🆁🅰🅳 @k0grad.bsky.social IT Security nerd into automation, mental health hacking, plant medicine, 3d printing, and OSINT. Say hi!
Awkward socialite. Suicide survivor, this world needs you 🫶
Twitter: x.com/K0grad
Laura Velasco @laura4ever.bsky.social Software developer. Cat, dogs and horse enthusiast. Living each day to the limit. Livie & Swiftie
My life in 10 emojis 🏳️⚧️🐈🍕💜🎮👩💻🫶🏼♟️🦮📺
DFIR Diva @dfirdiva.bsky.social DFIR Analyst
Blog: https://dfirdiva.com/
Free & Affordable Training (DFIR, OSINT, Cybersecurity): https://training.dfirdiva.com/
Community Events: https://events.dfirdiva.com/
Curated List of Discounts: https://training.dfirdiva.com/current-discounts
Aylin Kamelia Caliskan @aylincaliskan.bsky.social https://faculty.washington.edu/aylin
Computer scientist • Prof @UWischool & @UWcse
Co-Director @TechPolicyLab • Nonresident Senior Fellow @BrookingsInst
AI & Societal Impacts: Ethics in NLP • Multimodal ML • CV • Human-AI Collaboration
Netsec Explained @gtklondike.bsky.social Netsec Explained is a passion project; dedicated to the research, learning, and sharing of intermediate and advanced level network security topics.
https://www.youtube.com/c/NetsecExplained
Jai Like the Letter is going to Defcon 34 @s0ciabl3ng.bsky.social Learner| Hacker | Reader | Winemaker | Crafter | Hack3r Runway owner | Defcon contest | Wife | Mom | Ally | CEH, CISSP, Pentest+ MLSE. Just me. No DMs. Find me everywhere @S0ciabl3ng she/her
http://hack3rrunway.square.site
I make the floppy disk earrings
Katie Moussouris (she/her/she-hulk/she-ra)🌻 @k8em0.bsky.social Founder & CEO LutaSecurity @payequitynow MIT&Harvard visiting scholar, @MasonNatSec fellow, 1/2 Chamoru, 1/2 Greek all-American hacker
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."
terjanq @terjanq.me security enthusiast that loves hunting for bugs in the wild. co-founder and player of @justCatTheFish.
infosec at @google. opinions are mine.
From: https://twitter.com/terjanq
Pi (the_kernel_panic) @thekernelpanic.bsky.social Vulnerability Researcher | Exploit Developer | Houseplant Enthusiast 🪴
Medium Blog: https://medium.com/@piyushbhor22
🏳️🌈🏳️⚧️🇨🇦
v̴͍̼̟͆͂͌̋͗͆̓͝3̵̢͇̘̅͒͐́͗̀̚͠x̷̜͎̯̽͋͑̌̎̓͐̾x̷̲̗̓͛̈́̀͌̕͝ @datacats.vip Cybersecurity Person | Ethical Hacker | Helper
It's not the end of the world, but I can see it from here.
https://datacats.vip
evacide @evacide.bsky.social Director of Cybersecurity @eff.org
Co-founder of @stopstalkerware.bsky.social
These opinions are my own, not my employers’
I did a TED talk once
🧋Ak1Xpltｌ明 ⩜ 🫧🛼 @ak1xplt.bsky.social 👾 Future Offensive Security Engineer by day。
🎮 3D Creature & Character Artist by night。
🐧 Pink HairｌGrey HatｌRed Team。
🌸 絵の無断転載、加工は禁止しておりますので、ご遠慮ください。
🧠 2e。
🏳️🌈 彼人 (かのひと)ｌthey/she。
🔓 Be gay, do (cyber)crime。
☕️ #3Dart #Wip #PixelArt #Ink #Infosec
Doug Metz @dwmetz.bsky.social #DFIR @ Magnet Forensics
Blog ✍️ @ BakerStreetForensics.com
Projects 🦀 @ Github.com/dwmetz
Opinions are my own and are subject to change.
ChiefGyk3D @chiefgyk3d.com #Cybersecurity and #InfoSec by Trade and content creator by night for #Tech, Cybersecurity, #IT, #Linux, #AmateurRadio, and #GamingonLinux
Twitch | YouTube | TikTok | Mastodon
CISSP
Socials and Tipping: https://links.chiefgyk3d.com/socials
#OpenSource
Ali Hadi | B!n@ry @binaryz0ne.bsky.social DFIR and Adversary Simulation
cyber edderkopp @edderkoppnett.bsky.social Posting useful tools/resources for cybersecurity and hacking :)
DM to be added to the starterpack.
#Cyber | #Infosec | #Hacking | #osint | #pentesting | #cybermeme
coleman kane @malware.re https://class.malware.re creator, random open-source contributor, IRL "dog and dad" meme
Blog: https://blog.malware.re/
Tal Skverer @taltechtreks.com Security Researcher | Blog writer | Hacker | DEFCON speaker | Gamer | Silly stuff lover.
https://taltechtreks.com/
jeFF0Falltrades @jeff0falltrades.bsky.social Security, Malware, Software, and Memes: These are a few of my favorite things.
https://www.youtube.com/@jeFF0Falltrades
https://github.com/jeFF0Falltrades
Scott A @scottaltiparmak.bsky.social InfoSec | AI Phishing Guy
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 ✨🌈🦄
Raphaela Mettig @rmettig.com Researcher and PhD student. Personal account.
rmettig.com/about
Charles @charles.dardaman.com Security | Hacking | Malware | Reverse Engineering | Co-Founder | CTO | Product | MSAI - UT
Botconf @botconf.infosec.exchange.ap.brid.gy The Botnet and Malware Ecosystems Fighting Conference
14th ed - Workshops (27th) & Conference (28th-30th) April 2027 in Vannes - Golfe du Morbihan, France
🌉 bridged from ⁂ https://infosec.exchange/@botconf, follow @ap.brid.gy to interact
Russell Devine @rjmd.bsky.social 💼 Cybersecurity 📀 Forensics & Response
All opinions are from a southern right whale I met off the coast of Tasmania 🐋
Azeria @azeria-labs.com Founder of Azeria Labs, Trainer, Author of Blue Fox: Arm Assembly Internals & Reverse Engineering
Runa Sandvik @runasand.bsky.social Founder of Granitt, securing journalists and at-risk people around the world. 
David Buchanan @retr0.id reverse engineering, cryptography, exploits, hardware, file formats, and generally giving computers a hard time
Fedi: @retr0id@retr0.id
Macroblog: https://www.da.vidbuchanan.co.uk/blog/
Pwnallthethings @pwnallthethings.bsky.social Just thinking out loud.
CyberSec Kat @cyberseckat.bsky.social Pure Energy ⚡️ // In my Cyber Era //
2025-2026 @WiCys Mentorship Protégé //
👑 Log Queen
Lana @jolana.bsky.social Almost hacker. Ghidra girl. She/her.
shellsharks @shellsharks.shellsharks.social.ap.brid.gy Infosec researcher | Indieweb enthusiast | Find me @ https://shellsharks.com
#infosec #cybersecurity #tech #indieweb searchable
Profile picture: A red shark […]
🌉 bridged from ⁂ https://shellsharks.social/@shellsharks, follow @ap.brid.gy to interact
Tatarigami @tatarigami.bsky.social Former UA officer
Founder of the Frontelligence Insight: https://frontelligence.substack.com
To support my work: http://buymeacoffee.com/frontelligence
Jack (Writer/Editor at The CyberSleuthChronicles) @cybersleuths.bsky.social Cyber Defender/Incident Responder | GIACx6 l Neurospicy-chaotic good |
marktsec @marktsec.bsky.social 💫Threat Intel💫 Automation💫 Threat Analysis 💫OSINT💫 Testing 💫Network Security💫
https://github.com/marktsec
Gonz0 @gonz0-sec.bsky.social Cyber threat intelligence guy, video game player, book reader, hacking the planet
LiveOverflow 🔴 @liveoverflow.bsky.social wannabe hacker... he/him
🌱 grow your hacking skills https://hextree.io
TomNomNom @tomnomnom.com Computer booper and food enthusiast. He/him.
0xor0ne @0xor0ne.bsky.social | CyberSecurity | Reverse Engineering | C and Rust | Exploit | Linux kernel | PhD | Only My Opinions :) |