Randall Munroe @xkcd.com 
Harry Eldridge @hmeld.bsky.social harryeldridge.com
Chanda Prescod-Weinstein 🌌 @chanda.blacksky.app Theoretical Astro/Physicist:
https://chanda.science
First book:
https://tinyurl.com/DisorderedCosmos
BUY MY NEW BOOK:
https://tinyurl.com/EdgeOfSpaceTime
Blog:
news.chanda.science
all Black/all Jewish. 🏳️🌈/agender/woman.
Posts by/for me🖖🏽
Chris Peikert @chrispeikert.bsky.social Cryptographer (lattices/post-quantum), Burks Collegiate Professor at U-Michigan Computer Science and Engineering, Chief Scientific Officer at Algorand, PhD from MIT CSAIL. Previously faculty at Georgia Tech School of CS. Here I speak for myself.
Markatlarge @markatlarge.bsky.social I’m in digital marketing tech and app developer, specializing in creating innovative solutions like BingeWatch, a streaming sharing and discovery app, and Punge, an AI-powered NSFW image detector.
Bridgy Fed for the fediverse @ap.brid.gy Bridgy Fed (https://fed.brid.gy/) bot user for the fediverse. To bridge your account to the fediverse, follow this account.
To ask a fediverse user to bridge their account, send their address (eg @user@instance) to this account in a chat message.
More i…
Travis Goodspeed @travisgoodspeed.bsky.social Author of books and tools for reverse engineering. Studebaker driver, but an awful mechanic. Home chip decapsulation.
Currently writing a new assembler, to be released in February.
Jade @jade.packet.science they/she
PhD Student @cs.umass.edu
Privacy-Enhancing Technologies && Internet Censorship
Website: https://packet.science
Opinions expressed here do not reflect anyone but myself (and I change my mind often...)
Mustafa Khairallah @mustafakhairallah.bsky.social 
Martin Strand @martinstrand.bsky.social Kryptolog og organisasjonsnerd. Diskuterer for å lære, ikke for å vinne. Beiarværing.
Andrea @valkyrie.hacker.gf unaligned general intelligence- R @ronin3510.bsky.social @ronin3510.bsky.social
Simon Fell @superfell.bsky.social https://github.com/superfell
https://hachyderm.io/@superfell
Douglas Stebila @douglas.stebila.ca Cryptography professor at the University of Waterloo
https://www.douglas.stebila.ca/
nora @nora.bsky.social Engineer and Applied Cryptographer working in the ASML at Harvard’s BKC.
Led cryptography R&D at Juicebox and privacy projects at Signal.
Passionate about fostering inclusive communities, mentoring women in tech, and building third spaces for creatives.
Kevin Cantú @killerswan.bsky.social I occasionally say interesting things.
they / them 🏳️⚧️
Berkeley, CA
L0wfatbatman 💙💛 @lowfatbatman.bsky.social Walkin' tall machine gun man
They spit on me in my homeland. .
SIGINT. APT. Hacker. Blue Teamer. American. Be excellent to each other. 🤙
Thomas Karpiniec @octet-stream.net Tasmanian dev often writing networking-related Rust. Mostly opinions about computers. AKA thombles and VK7XT.
https://octet-stream.net/
https://site-validator.fly.dev/
https://social.octet-stream.net/@thomask
3cats @rachel.supply firmware engineer
likes: photo, rustlang, meshtastic, books of color swatches
dislikes: the neverending search for frutiger retro Sony Style aesthetic
31 she/her fox
boston
glass.photo/3cats
signal: threecats.14- G Greg Rose @ggr.bsky.social Pilot, cryptographer, entrepreneur, concerned.
- D Stefan Savage @docsavage.bsky.social
@marcoslaviero.bsky.social @marcoslaviero.bsky.social 
David Roberts @volts.wtf I run a newsletter/podcast called Volts about clean energy & politics. Subscribe & join the community at http://volts.wtf!
abhi shelat @abhvio.us northeastern, Google, cryptography
Jess Sorrell @optimistsinc.bsky.social Assistant prof at JHU CS. Interested in theory of ML, privacy, cryptography. All cat pictures my own and do not represent the cats of my employer
Alex Winter @alexwinter.com Trans Rights are Human Rights.
alexwinter.com
Joe Tidy BBC News @joetidy.bsky.social Cyber Correspondent, BBC News. Author of Ctrl+Alt+Chaos. I cover cyber security, online safety, crypto, AI, social networks and everything 💻📱📡. Global news mainly. DMs always open for tips/ feedback.
Josh Marshall @joshtpm.bsky.social Founder & reigning monarch at TPM. Lapsed historian. Hand tool woodworker. Jew.
Bernard Keenan @bernardkeenan.bsky.social Lecturer, UCL Laws. Law, theory, tech.
Interception: from postal systems to global networks (MIT 2025)
Tor Ekeland @torekeland.bsky.social Trial, Transactional, and Appellate Lawyer.
Computer Law, Constitutional Law, Criminal Law, Crypto Law
torekeland.com
Florian @cflorian.bsky.social Au calme sous un ciel pas toujours bleu |
Un peu d'ordinateurs mais pas trop
Rob Wallace @robwillwallace.bsky.social Freelance theatre journalist and podcast maker. Usually found at the theatre, cycling around London, or playing dodgy train station pianos across the country 🎙️🎭🇺🇦
Bobby Allyn @bobbyallyn.bsky.social Correspondent at @NPR covering tech. Now focusing on prediction markets.
Signal: ballyn.77
Discord: bobby16663
Email: ballyn@npr.org
Dennis Jackson @dennisjackson.bsky.social Cryptography @ Mozilla
Stephen Checkoway @stevecheckoway.bsky.social Associate Professor of Computer Science at Oberlin College. No kings, no nazis, no war.
Chad Loder @chadloder.dev The purpose of a system is what it does. 🌪️ they/them
Matt Blaze @mattblaze.federate.social.ap.brid.gy Scientist, safecracker, etc. McDevitt Professor of Computer Science and Law at Georgetown. Formerly UPenn, Bell Labs. So-called expert on election security and […]
🌉 bridged from ⁂ https://federate.social/@mattblaze, follow @ap.brid.gy to interact
Alex Chapman @ajxchapman.bsky.social Full Time #BugBounty Vulnerability Researcher
https://blog.ajxchapman.com
Robert Graham @erratarob.bsky.social @erratarob on the hellscape site
Gabrielle Beck @becgabri.com Cryptographer. (she/her)
Ben Adida @benadida.com I lead an incredible team building voting machines everyone can trust. https://voting.works
Optimistic about judicious uses of tech. Systems, security, privacy, cryptography, and the web are my jam.
Previously: Clever, Square, Mozilla, Harvard, MIT.
Emily Gorcenski @emily.gorcen.ski Bluesky literacy crisis actor. Opinions mine.
📍Charlottesville
en / de / es
Posts autodelete after 2 days or if viral. Some posts automated.
Web:
- emilygorcenski.com
- registry.blue
Nate Cardozo @natecardozo.bsky.social Senior Staff Privacy Engineer at Google working on sealed computing, ambient sensing, e2ee, and stuff. Formerly encryption policy at Meta/WhatsApp. Infosec lawyer at EFF before that. Biglaw long ago. Views are mine alone.
Ken Tindell @kentindell.bsky.social Designer of chips, programmer of chips
Ryan Castellucci 🜬 @rya.nc Hacker. Enby. Administrative inconvenience. Purveyor of technically sophisticated shitposts.
Suing the UK for more gender, help with my legal bills: https://enby.org.uk/
Mastodon: https://infosec.exchange/@ryanc
Non-binary trans androgynous (they/them)
Adam Shostack @adamshostack.bsky.social Threat modeling. BH Review Board. Affiliate Professor, UW. Fixed autorun. Helped create CVE.
Not sure why we're building graphs on yet another (effectively) centralized system. https://infosec.exchange/@adamshostack
Damien Miller @damienmiller.bsky.social debugging, v: the process of inserting printf statements into code until one's errors reveal themselves
Colm MacCarthaigh @colmmacc.bsky.social VP / Distinguished Engineer at Amazon Web Services. Also: Open Source and Apache, Cryptography, Irish Music, mediocre Photography.
Quoll @quollified.bsky.social Overcaffeinated nerd, bad swordfighter, and amateur photographer
Jay 🦋 @jay.bsky.team Founder & Chief Innovation Officer @ Bluesky
Working on @attie.ai
🌱 🪴 🌳
moof @antimoof.bsky.social lived enough places (ORD, BOS, AUS, DTO, ARB, SJC, NRT, LHR, OAK, SFO) for my accent to get terribly confused; now back at the end of the Ravenswood line
Julian Sanchez @normative.bsky.social He sits motionless, like a spider in the center of its web, but that web has a thousand radiations, and he knows well every quiver of each of them. juliansanchez.com
Ryan Ragona @ragona.com cryptography + trusted computing @ openai. I’m into guitar, music theory, photography, and weird math. he/him. anti-fascist. child of radical queers. 🏳️⚧️ 🖤
Lukas @lxgr.net - J Frank Denis @jedisct1.bsky.social Zig, Cryptography and stuff.
Josh Baron @joshbaron.bsky.social Interested in cryptography, privacy, and anonymity. Former @DARPA PM. All opinions are mine alone. Personal account.
Franziskus @franziskuskiefer.de 🔐 High Assurance Dad @celabs.eu | Advisor @cryspen.com
Raphael Robert @raphaelrobert.bsky.social Founder and director of @phoenixrd.bsky.social. Working on @air.ms. #MessagingLayerSecurity co-author. 🦀. He/him.
Sean Bowe @seanbowe.com Cryptography researcher, developer of Zcash
yan @yan.bsky.social security at brave software / @bcrypt on twitter
Cynthia @cynthia.re Security researcher amateur. Cert Slayer, Trans, WHOIS witch, nerdy about computer stuff. Hugger of BLÅHAJ.
she/her
https://cynthia.re
Why @why.bsky.world Wandering Wizard Utopian
General Partner @mana.inc
🌳
Matt M @mattm.bsky.social 
The ones who walk away from omelettes @dfeldman.org 
Wrenna Robson @wrenr.bsky.social Sometime cryptographer, sometime verification nerd. I like to stare at theorem provers until my brain tingles. Lean user. EasyCrypt-curious.
Christopher Patton @cjpatton.bsky.social cjpatton.net - opinions are my own
Probabilita @dakoraa.bsky.social Karolin Varner (they/them). Autistic sphere of doom. Ticcing trans* potato. Proovably queer cryptography engineer. Especially abled.
@kora@chaos.social
Formerly: @dakoraa (twitter)
Scott A @ciphper.bsky.social Cryptography and software security nerd
https://scottarc.blog
Nils Fleischhacker @cryptomaeher.bsky.social Cryptographer working on both applied and theoretical cryptography. Currently Assistant Professor for Cryptography at Ruhr University Bochum. Opinions probably someone else's. he/him
Angèle Bossuat @cryptopote.bsky.social hello I am into cryptography, privacy, provable security, and also swords ! she/her, @ Quarkslab
https://angelebossuat.github.io/
Jon Millican @jonmillican.bsky.social Applied privacy engineer in the UK. Currently at OpenAI. Previously helped to lead end-to-end encryption for Messenger at Meta. he/him
João Diogo Duarte @joaodiogoduarte.bsky.social Cryptography PhD Student @ University of Porto & INESC-TEC https://joaodiogoduarte.github.io/- N Nadia Heninger @nadiaheninger.bsky.social
Paul Rösler @roeslpa.bsky.social Assistant Prof. for Real-World Cryptography at FAU Erlangen-Nürnberg.
Worked at NYU, TU Darmstadt, and Ruhr Uni Bochum before.
https://roeslpa.de
Sofia Celi @claucece.bsky.social Proud LatinAmerican. "Legendary quantum lady/cryptographer". Researcher @brave @bristoluni.bsky.social she/they
Kenny Paterson @kennyog.bsky.social Bit flipper
Bor de Kock @bordekock.bsky.social Cryptography researcher but also a nerd in my spare time (he/him) 🏳️🌈🌹
Carsten Baum @cryptocarsten.bsky.social Professor at DTU Compute. Passionate about Cryptography, Hummus and coffee. 
Stefano Tessaro @stefanotessaro.bsky.social Professor at the University of Washington, Paul G. Allen School of Computer Science & Engineering @uwcse.bsky.social
Working on cryptography, theoretical computer science, and computer security.
https://homes.cs.washington.edu/~tessaro/
Jason A. Donenfeld @zx2c4.bsky.social https://www.zx2c4.com
Kevin McCurley @tragiccommons.infosec.exchange.ap.brid.gy Retired from Google. Now I work on computer science projects, mostly involving publishing.
[bridged from https://infosec.exchange/@tragiccommons on the fediverse by https://fed.brid.gy/ ]
Vitalik Buterin @vitalik.ca 
Exploit Code Not People @cooperq.com Cybertiger. Senior Staff technologist at @eff.org Fellow @citizenlab.ca Board member @openarchive.bsky.social. "Noted activist security type." Anti-fascist. he/him. My skeets do not represent views of my employers ⵣ🏴 signal: cooperq.01
Frank S @ninja.style I like to make stuff and do hacks. Consultant penetration tester for 9 years. #cybersecurity #infosec #hacking Denver CO. https://github.com/ninjastyle82
Mrs. Y @mrsyiswhy.bsky.social Security Bene Gesserit and professional nerd stalker. Likes long walks in hubsites and searching for spice. Views: definitely those of my puppet overlords. Location: kernel space https://linktr.ee/chubirka
🦩Bob🦩 @bobblakley.bsky.social Astros fan, photographer, identity, security, and privacy guy, flamingo aficionado.
@mikko @mikko.bsky.social Fighting malicious use of technology.
Christian Folini @christian-folini.ch Web application security guy with a passion for OWASP's open source WAF projects and National Cyber Strategy.
Maintains "Swiss Cyber Security" starter pack and cherishes his small collection of medieval helmets.
Joseph Frusci @theaveragejoe.org Cybersecurity | Cloud | AI | Networking | Education | Coffee
https://linktr.ee/joseph.frusci
Sean Lyngaas @snlyngaas.bsky.social Cybersecurity reporter, CNN. Signal +1-202-355-8471 or SNLyng.11. sean[dot]lyngaas@cnn[dot]com|slyngaas@proton[dot]me
Gaffers @gaffers.bsky.social He/him
Aircraft Cybersecurity Principal Engineer by day, hacker of drones by night
British fella in Chicago
#BikeCHI #aviation #cybersecurity
I'm doing my best to be an LGBTQI+ ally, always open to learn how I can improve as a human
Malort enthusiast
Matthew Gracie @infosecgoon.bsky.social Security Analyst. Panther Modern.
Engineer at Security Onion Solutions.
Professor at Canisius University.
Organizer at Infosec 716 and BSides Buffalo.
Tal Skverer @taltechtreks.com Security Researcher | Blog writer | Hacker | DEFCON speaker | Gamer | Silly stuff lover.
https://taltechtreks.com/
Nicole Perlroth @nicoleperlroth.bsky.social cyber raconteur | author THIS IS HOW THEY TELL ME THE WORLD ENDS | former @nytimes | now betting on heroes @ Silver Buckshot Ventures + Venture Partner at Ballistic Ventures.
Ciaran Martin @ciaranm.bsky.social Calm the FUD down
Meredith Whittaker @meredithmeredith.bsky.social President of Signal, Chief Advisor to AI Now Institute 
Brian Honan @brianhonan.bsky.social Irish cybersecurity pro, author, speaker, and commentator.
CEO of BH Consulting, Head of Ireland's first CSIRT - IRISSCERT, former member of ENISA Advisory Group, & former Special Advisor on CyberSecurity to Europol.
PGP ID 0xF1B5CF7D