Sebastian Neef (@gehaxelt) @gehaxelt.bsky.social PhD Candidate & Freelancer. WhiteHat. Bughunter. CTFs @ENOFLAG
Founder of internetwache.org
Blogs: https://0day.work, gehaxelt.in, blogbasis.net
Website: https://sebastian-neef.de
Also on infosec.exchange
Meysam @r00tkitsmm.bsky.social Security Researcher.
Cindʎ Xiao 🍉 @cxiao.net professional strings(1) operator
rust reverse engineering training -> @decoderloop.com
she/her or they/them
🏳️🌈😎
personal account! views are mine.
en_CA/zh_CN/fr_CA
https://cxiao.net
https://infosec.exchange/@cxiao
@msm0.bsky.social @msm0.bsky.social 
Tim Blazytko @mrphrazer.bsky.social Binary Security Researcher & Trainer
Website: https://synthesis.to
BINARLY🔬 @binarly.bsky.social ⛓️Binarly is the world’s most advanced automated software supply chain security platform.
Burny @burnytech.bsky.social On the quest to understand the fundamental mathematics of intelligence and of the universe with curiosity. http://burnyverse.com Upskilling @StanfordOnline
Quentin Kaiser @qkaiser.bsky.social offensive security research, embedded systems, weird file formats and all things RTOS
Izzy Muerte @izzys.casa Occult Programmer and Code Bruja. void* made manifest. "That CMake Expert"
Opinions are my own. 💥🏴💥
Find my webzone at https://izzys.casa
PFP by @tombofnull.bsky.social
Mara Bos @mara.bsky.social Rust dev, Electronics engineer, Author, RustNL, RustWeek organizer, ADHD, Polyamorous, Lesbian, She/Her
Zion Leonahenahe Basque @mahal0z.bsky.social Native Hawaiian Hacker | Prev Co-captain of @Shellphish | PhD Student in Comp Sci @ASU l Decompiler Research | https://mahaloz.re
Martina Lindorfer @lindorfer.in Associate Professor Security & Privacy @ TU Wien. Key Researcher @ SBA Research (she/her). Avid Snacker. Professional Traveller. Mainly Lurker.
🖤 🦖🦙🐈🐶🦝📸🧩✈️🧟♀️
corgi @c0rg1.bsky.social I hack things
Jeff Moss @thedarktangent.bsky.social thedarktangent@defcon.social
Lisa Forte @lisaforte.bsky.social Cyber security, climbing, caving and diving! 💜
Mark C @largecardinal.bsky.social Logician (PhD), Quantum Hacker, ML miscreant. Feral academic. Co-founder of Quantum Village @ DEF CON
Cthulhu Answers @cthulhu.network 
Jason Haddix @jhaddix.bsky.social CEO, CISO, Trainer, Hacker, and Speaker.
AI + hacking + sec leadership.
ex:BuddoBot-Ubisoft-Bugcrowd-Fortify-HP-Redspin-Citrix.
John Hammond @johnhammond.bsky.social Hacker. Friend. Cybersecurity Researcher at Huntress.
Tib3rius @tib3rius.bsky.social Web App (mostly) Hacker | Cybersecurity Educator | Content Creator | Ex-Brit | Links: http://linktr.ee/tib3rius (he/him) 🇺🇸 A mostly unserious person. @therealc3rul34n.bsky.social is bae 🥰
Ali @endingwithali.com software engineer @ fintech- content creator @ http://links.ali.dev - threatwire host @hak5 - @breakingthepod - nyc - ex @miteecs - jewish
roon @tszzl.bsky.social 
Tanishq Mathew Abraham @iscienceluvr.bsky.social PhD at 19 |
Founder and CEO at @MedARC_AI |
Research Director at @StabilityAI |
@kaggle Notebooks GM |
Biomed. engineer @ 14 |
TEDx talk➡https://bit.ly/3tpAuan
Hexacon @hexacon.bsky.social Offensive security conference in the heart of Paris. 10-11th October 2025
https://www.hexacon.fr/
LaurieWired @lauriewired.bsky.social researcher @google; serial complexity unpacker
ex @ msft & aerospace
Hoshino Lina (星乃リナ) 🩵 3D Yuri Wedding prep!!! @lina.yt Hacker & Mad Scientist VTuber!
▶️ lina.yt
💍 @cyan.yt 🩵 | We are @thgirls.yt ✨
ママ : @heripiro.bsky.social ｜パパ : twitter.com/otozuki_teru
All the links: https://lina.yt/me
Binary Ninja @binary.ninja https://binary.ninja/
Made with ❤️ by https://vector35.com/
Orange Tsai @orange.tw This is 🍊
Niklas Risse @nrisse.bsky.social AI Research. PhD @ MPI-SP in Bochum, Germany.
professional rustacean 🦀🇺🇦🌻😷 @adhsec.bsky.social reverse engineering & vulnerability research, ex MWR Labs, generally bad at computers, memory safe(probably), OS internals/hypervisor/browser research and bug hunting r&d (❤️program/code analysis)🐞🔍 @adhsec on hellsite, they/them, enby, #AuDHD
Niklas B @niklasb.rce.associates research @ dfsec.com
Terence Tao @teorth.bsky.social Mathematician at UCLA. My primary social media account is https://mathstodon.xyz/@tao . I also have a blog at https://terrytao.wordpress.com/ and a home page at https://www.math.ucla.edu/~tao/
Davide Balzarotti @balzarot.bsky.social Professor in Computer Security @EURECOM
Ex Defcon CTF organizer with @oooverflow
arxiv cs.CR @arxiv-cs-cr.bsky.social Computer Science -- Cryptography and Security (cs.CR)
source: export.arxiv.org/rss/cs.CR
maintainer: @tmaehara.bsky.social
Clémentine Maurice @bloody-tangerine.bsky.social Researcher at CNRS. Feminist. I work on microarchitectural security.
https://cmaurice.fr
Katie Paxton-Fear @insider.phd Dr, apparently. Security Adovcate @semgrep & Hacker. #BugBounty hunter & #infosec YouTuber. APIs & Interlinked OffSec, PhD in AI+Sec @hacknotcrime. she/her
UK_Daniel_Card @mrr3b00t.bsky.social 
TomNomNom @tomnomnom.com Computer booper and food enthusiast. He/him.
Summercon @summerc0n.bsky.social SummerCon 2026 is July 10-11. We are the official bsky account for SummerCon, America's Oldest Hacker Conference. Tip your bartender. https://summercon.org
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.
Kihra @kihra.bsky.social Creator of Warcraft Logs, FF Logs and ESO Logs. Retired raider.
@KihraArilith on X/Twitter.
Michael @bellular.bsky.social Internet video man.
Warcraft: https://www.youtube.com/@BellularGaming
Game Industry News: https://www.youtube.com/@BellularNews
Members: bellular.games
Caroline Lemieux @cestlemieux.bsky.social now: Assistant Professing™ in Software Practices Lab at UBC. was: postdoc MSR NYC, phd UC Berkeley. also at https://mastodon.acm.org/@cestlemieux. she/her.
Catherine Macri @catherinemacri.bsky.social 🔬PhD in Neuroethology
📍Paris - Sorbonne uni
🐝Studying consciousness indicators in honey bees (M. Giurfa's lab)
📚Interested in cognition, philosophy, emotions, ethology, insect brains and anything in between
nSinus-R @nsinusr.bsky.social Captures flags with Tasteless. Assistant Professor at UoB and maintainer of FirmWire & avatar2.
Daniel Arp @darpsky.bsky.social Assistant Professor at TU Wien
Machine Learning & Security
parzel @parzel.bsky.social Hacker based in Berlin | he/him
Daniel Grant @dtg.bsky.social Cybersecurity focused ML/DS researcher at GreyNoise. Sometimes political cold takes.
alkali @alkalinesec.bsky.social mobile security / symbolic execution . he / him
Felix @felix-red-panda.bsky.social speech synthesis and LLM nerd, DMs open, working on LLM stuff
https://felix-red-panda.com
based in Berlin, Germany
Matthew Garrett @mjg59.eicar-test-file.zip Former biologist. Actual PhD in genetics. Security, OS security teaching at https://www.ischool.berkeley.edu.
Blog: https://codon.org.uk/~mjg59/blog
Signal: @mjg.59
He/him
Opinions expressed here are mine, not my employer's
François Fleuret @francois.fleuret.org Research Scientist Meta/FAIR, Prof. University of Geneva, co-founder Neural Concept SA. I like reality.
https://fleuret.org
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
Tomáš Daniš @tmdanis.bsky.social RL/ML @unituebingen.bsky.social
XBOW @xbow.com Bringing AI to offensive security by autonomously finding and exploiting web vulnerabilities. https://xbow.com/
Catherine @whitequark.org sorceress
Troy Hunt @troyhunt.com Founder & CEO of @haveibeenpwned.com, the most trusted name in data breach intelligence. Speaker, blogger, Microsoft Regional Director. Gold Coast, Australia.
Max Fagin @maxfagin.bsky.social Aerospace engineer, pilot & astronomer. Astrodynamics, space systems and ISRU/space resources at Blue Origin. Formerly Purdue, NASA, SpaceX and Made In Space. 🌎🌖🔴☄️
Opinions my own, but call me out if I'm an asshole about them. The 🦜 is Beetlejuice.
Calle Svensson @zetatwo.bsky.social Security Engineer @ XTX. MSc in eng. physics & CompSci, dev & gamer. ❤️ music & long distance running. Wanna do a PhD sometime. Same U/N on all other sites
Zack Whittaker @zackwhittaker.com Security editor, TechCrunch
Signal: zackwhittaker.1337
My stories: techcrunch.com/author/zack-whittaker
My newsletter/blog: this.weekinsecurity.com
xjdr @xjdr.bsky.social hot takes, linear Algebra, JAX apologist, Raconteur
Alex Plaskett @alexplaskett.bsky.social Security Researcher | Pwn2Own 2018, 2021, 2022, 2024 | Posts about 0day, OS, mobile and embedded security.
evacide @evacide.bsky.social Director of Cybersecurity @eff.org
Co-founder of @stopstalkerware.bsky.social
These opinions are my own, not my employer's
I did a TED talk once
@georgehotz.bsky.social @georgehotz.bsky.social 
434b @434b.bsky.social Vulnerability researcher | Fuzzing | Anything low-level excites me | Admin @ https://0x00sec.org | My tweets are my own | Blog: https://0x434b.dev
aurelsec @aurelsec.bsky.social Hackademic at S3@eurecom
derek guy @dieworkwear.bsky.social Menswear writer. Editor at Put This On. Words at The New York Times, The Washington Post, The Financial Times, Esquire, and Mr. Porter.
If you have a style question, search:
https://dieworkwear.com/ | https://putthison.com/start-here/
Jessica Paquette @barrelshifter.bsky.social compiler engineer from hell
Casey Neistat @casey.nyc family + work
Joseph Cox @josephcox.bsky.social Hacking/crime/privacy journalist. Author of DARK WIRE, buy here: https://www.hachettebookgroup.com/titles/joseph-cox/dark-wire/9781541702691/#preorder Co-founder of 404 Media. Signal: joseph.404 Email: joseph@404media.co
Whitney Merrill @wbm312.bsky.social I nudge people to care about privacy and security. CPO/DPO. Privacy/infosec lawyer. Hacker. Fighting for privacy, digital civil liberties & the users. Ex @EA @FTC |my views are my own. I used to post on Twitter at @wbm312.
Owen Williams @owen.bsky.social Design manager working on developer tools at Stripe. Kiwi in Victoria, British Columbia. @ow on Twitter.- T @taviso.bsky.social @taviso.bsky.social
Lesley Carhart @hacks4pancakes.com I am eminently qualified to speak from experience about a variety of dumpster fires.
ICS DFIR at Dragos, martial artist, marksman, humanist, level 14 Neutral Good rogue, USAF retired. I post *very serious* things about infosec. Thoughts my own. Enby. 🏳️🌈
x0rz @x0rz.bsky.social Cybersecurity & Threat Intelligence. Knowledge is power, France is bacon 🥓
Malware Unicorn @malwareunicorn.bsky.social @Straiker. Ex-Microsoft. Ex-Meta RedTeam, Ex-Endgame, Ex Fireeye. malwareunicorn.org
norsey @norsey.bsky.social High-Tech Low-Life, Hacker, Red Teamer, Viking.
Rachel Tobac @racheltobac.bsky.social Hacker & CEO @SocialProofSec security awareness/social engineering training, videos, talks | 3X @DEFCON🥈 | Ex Chair @WISPorg | Ex @CISAgov Technical Advisory Council under Director Jen Easterly
Kelly Shortridge @shortridge.bsky.social software resilience, cybersecurity, complex systems | chief product officer @fastly.com | nyc
“In the information society, nobody thinks. We expected to banish paper, but we actually banished thought.”
kellyshortridge.com
@swagitda_ on Twitter
Kirokaze @kirokaze.bsky.social Available for Comms - I'm a pixel artist . Contact: gerardodesigner(at)gmail.com // do not reupload my art // He/Him
Bellingcat @bellingcat.com Bellingcat is a global collective uncovering facts to hold power to account. Our work is independent. Our methods are public. Our community is global.
Want to support our charity? bellingcat.com/donate
STÖK @stokfredrik.bsky.social Hacker / Creative
Mischief & GOOD VIBES ONLY
Charlie Miller @chuckmiller.bsky.social Located in Central Indiana. Obsessed with the weather. Know a lot about 70s and 80s music and TV. Democrat voter. Trump ruined yet another account of mine by causing me to shitpost a lot.
Tim Philipp Schäfers @timphschaefers.bsky.social Protecting What Matters in a Connected World
We find our path - by walking it.
Mostly hacker. lecturer. speaker. writer.
Andy @g33katwork.bsky.social I like computering. Doing security research at @rapid7 labs.
This is a professional account. Used to play a lot of CTF with @EatSleepPwnRpt and @StratumAuhuur
Andy Nguyen @andytruc.bsky.social Digital research analyst for PolitiFact. Previously: Burbank Leader/Glendale News-Press, Thousand Oaks Acorn, Patch.
The furball was Catsby.
Shinjo Park @perehmen.bsky.social KDE, mobile security, trains, and others. Account of @pheremen.bsky.social not in Korean. Posts are my own, does not reflect the opinion of my employer. Twitter @ad_ili_rai_en. Also available in @peremen@chaos.social
Yuri Gbur @yukonsec.bsky.social Senior Security Consultant, Red Teamer and Security Researcher
spq @spq42.bsky.social CTF player, Security engineer at Google, http://infosec.exchange/@spq ; @_spq__ on Twitter
Randall Munroe @xkcd.com 
(╯°□°)╯︵ S︵T ︵U ︵🔥 @cybersecstu.bsky.social I'm a Teams reaction GIF, I like OSINT, Consulting Director ✍️ CTI & Analytics book ~202X, Tracelabs Black badge x3, Ex-Podcaster, ex The many hats club, #cyber Views my own or the AI's.
Cornelius Aschermann @is-eqv.bsky.social Fuzzing & stuff https://hexgolems.com
Sam Esmail @samsepi0l-07.bsky.social Programmer | Hacker | Aerospace Engineer- M manfp.bsky.social @manfp.bsky.social