James Hartig @jameshartig.com 
KDE @kde.org Follow us on Mastodon!: https://floss.social/@kde
A worldwide technology community 🌍 Creators of the Plasma desktop & a variety of Free and open source applications that let you control your digital life.
Get more KDE news at https://floss.social/@kde
Matteo Scarlata @hjkl.space software occultist
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
Geoffrey Irving @girving.bsky.social Cofounder and Chief Scientist at Resolution. Alignment will be solved eventually, but not necessarily in time. Previously UK AISI, DeepMind, OpenAI, Google Brain, etc.
Peter Steinberger @steipete.me vibe coding is the way. I bootstrapped a remote company before it was cool. Founder @PSPDFKit (exit to Insight). 🏳️🌈
Michael Reeves @integralpilot.bsky.social Teenage security researcher & systems developer.
Discovered CVE-2025-43539, author of rustc_codegen_jvm, working on Apple M3 Linux drivers.
https://github.com/IntegralPilot 🇦🇺
Lea Kissner @leak.bsky.social Security, privacy, respect. Was the Twitter CISO until it was terrible. Now LinkedIn CISO. they/them
Bill Gates @billgates.bsky.social Global Health. Energy Innovation. Alzheimer’s. https://gatesnot.es/tgn
dynomight @dynomight.net dynomight.net
space invasion
Jake Lazaroff @jakelazaroff.com nyc-based programmer and designer. alum @recurse.com. azzajew. public transit enjoyer. thoughts on local-first software, atproto, javascript frameworks, web components, css and other web minutiae.
🌐 https://jakelazaroff.com
Armin Ronacher @mitsuhiko.at Creator of Flask • earendil.com ♥︎ writing and giving talks • Excited about AI • Husband and father of three • Inhabits Vienna; Liberal Spirit • “more nuanced in person” • More AI content on https://x.com/mitsuhiko
More stuff: https://ronacher.eu/
Steve Syfuhs @syfuhs.net Noted idiot. Principal something or other. Runs the Windows Authentication team at Microsoft. It's my fault your password doesn't work.
Mostly dog pictures. Might actually be two dogs in a trench coat. 🇺🇸 / 🇨🇦
https://syfuhs.net/
Marcus Hutchins @malwaretech.com threads.com/@malwaretech
https://linkedin.com/in/malwaretech
https://marcushutchins.com
Trent Brunson @trentb.bsky.social Glasses wearer. Keyboard typer. Manual reader. Head of Research & Engineering at Trail of Bits. 
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. 
Grifter @grifter801.bsky.social Threat Hunting & DFIR, Hacker, Geek, DEF CON & Black Hat CFP Review Board Member, DEF CON Contest/Events/Demo Labs Dept. Head, Black Hat Staff, DC801 Founder
Diego F. Aranha @dfaranha.bsky.social Associate Professor of Cryptographic Engineering at Aarhus University. https://dfaranha.github.io/
Binary Ninja @binary.ninja https://binary.ninja/
Made with ❤️ by https://vector35.com/
Rust Language @rust-lang.org A programming language empowering everyone to build reliable and efficient software.
Website: https://rust-lang.org/
Blog: https://blog.rust-lang.org/
Mastodon: https://social.rust-lang.org/@rust
Kevin Beaumont @doublepulsar.com cybersecurity weather man. scanning the horizons for cloudy cyber. Expert at nothing except computer rubbish. Anti-ransomware since 2015.
Gergely Orosz @gergely.pragmaticengineer.com Writing The Pragmatic Engineer (@pragmaticengineer.com), the #1 technology newsletter on Substack. Author of The Software Engineer's Guidebook (engguidebook.com). Formerly at Uber, Skype, Skyscanner. More at pragmaticengineer.com
Alex Stamos @stamos.org CPO/CSO of Corridor.dev, teaching at Stanford.
Arvind Narayanan @randomwalker.bsky.social Princeton computer science prof. I write about the societal impact of AI, tech ethics, & social media platforms. https://www.cs.princeton.edu/~arvindn/
BOOK: AI Snake Oil. https://www.aisnakeoil.com/
Jeremy Howard @howard.fm https://Answer.AI & https://fast.ai founding CEO; previous: hon professor @ UQ; leader of masks4all; founding CEO Enlitic; founding president Kaggle; various other stuff…
Melanie Mitchell @melaniemitchell.bsky.social Professor, Santa Fe Institute. Research on AI, cognitive science, and complex systems.
Website: https://melaniemitchell.me
Substack: https://aiguide.substack.com/
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
Dane Knecht 🦭 @dknecht.bsky.social I help invent the future @cloudflare. SVP, Emerging Tech and Incubation (NYSE: NET). Angel investor. @dok2001 on Twitter
Joe Grand @joegrand.bsky.social Hardware hacker, computer engineer, former L0pht member and juvenile delinquent, sometimes known as Kingpin. https://joegrand.com
Go @golang.org Go will make you love programming again. We promise.
https://go.dev/
Unwatched @unwatched.bsky.social App Store: https://apps.apple.com/app/id6477287463
TestFlight: https://testflight.apple.com/join/9RP0WzCR
Support Development: https://github.com/sponsors/fer0n
GitHub: https://github.com/fer0n/Unwatched
Made by @fer0n.bsky.social
Parrot Security @parrotsec.bsky.social Official Bluesky account for Parrot Security OS.
@nahamsec.bsky.social @nahamsec.bsky.social 
Intigriti @intigriti.com Bug bounty & VDP platform trusted by the world’s largest organisations! 🌍
linktr.ee/hackwithintigriti
Kévin Gervot (Mizu) @mizu.re About me?
| Website: https://mizu.re
| Tool: https://github.com/kevin-mizu/domloggerpp
| Teams: @rhackgondins, @FlatNetworkOrg, @ECSC_TeamFrance
| From: https://twitter.com/kevin_mizu
Nicolas Grégoire @agarri.fr Web hacker 😈
Burp Suite Pro trainer 👨🏫
Maintainer of @mastering-burp.agarri.fr 🛠️
Marques Brownlee @mkbhd.com Video maker
Jesse D. Jenkins @jessedjenkins.com Macro-energy systems engineering, optimization & policy. Associate professor at Princeton University. Leads the ZERO Lab. Co-hosts SHIFT KEY podcast. Time100 Next & TIME100 Climate honoree. More at linkedin.com/in/jessedjenkins & zero.lab.princeton.edu
Nadim Kobeissi @nadim.computer Applied cryptographer. Mainly working in the cryptography auditing industry, but sometimes venturing back into academia. https://nadim.computer
Swissky @swissky.bsky.social RedTeam | Pentest
Author of PayloadsAllTheThings & SSRFmap
http://github.com/swisskyrepo
David (DWIZZZLE) Weston @dwizzzle.bsky.social Corporate Vice President, OS Security and Enterprise @Microsoft
Addy Osmani @addyosmani.bsky.social Former Engineering lead working on Gemini and Google Cloud AI
I want you to win :) For more on what I'm up to, I'm at addyosmani.com
hakluke @hakluke.com Dad, hacker, solo founder of haksec.com and hackercontent.com.
Jack Rhysider @jackrhysider.bsky.social Creator of Darknet Diaries.
Verification: https://twitter.com/JackRhysider/status/1675298532406984707
Synacktiv @synacktiv.com Offensive security company. Dojo of many ninjas. Red teaming, reverse engineering, vuln research, dev of security tools and incident response.
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 ✨🌈🦄
STÖK @stokfredrik.bsky.social Hacker / Creative
Mischief & GOOD VIBES ONLY
James Kettle @jameskettle.com Director of Research at @portswigger.net
Also known as albinowax
Portfolio: https://jameskettle.com/
Andreas Zeller @andreaszeller.bsky.social Software researcher at https://cispa.de, working on #Fandango, #S3, #FuzzingBook, #DebuggingBook. Testing, debugging, analyzing, and protecting software for a better world. Find me at https://andreas-zeller.info/
Micah Lee @micahflee.com Doing what I can to keep activists, journalists, and researchers safe and productive — writing at https://micahflee.com — author of HACKS, LEAKS, AND REVELATIONS https://hacksandleaks.com — signal: micah.01
Vincent Bernat @vincent.bernat.ch Network engineer at AS12322. Debian and free software developer. Like to work on projects with C, Python, or Go. He/him. https://vincent.bernat.ch
Sebastian Dullien @sdullien.bsky.social Research Director Macroeconomic Policy Institute (IMK) and professor for International Economics at HTW Berlin - University of Applied Sciences. Father of 2.
Natalie Silvanovich @natashenka.bsky.social Google Project Zero
Simon Willison @simonwillison.net Independent AI researcher, creator of datasette.io and llm.datasette.io, building open source tools for data journalism, writing about a lot of stuff at https://simonwillison.net/
Laura Heuvinck @heuvy.bsky.social Spokesperson and Head of Communications at the EU Agency for Cybersecurity but here with personal ramblings and book reviews
Belgian Irish in Athens, Greece
#ENISA #Cybersecurity #EUcomms #Booksky
Allen Pike @allenpike.com Building Forestwalk.ai, hosting Infer and It Shipped That Way, and writing about software and other tricky things. ⭐️
Vancouver • @apike elsewhere • allenpike.com
LiveOverflow 🔴 @liveoverflow.bsky.social wannabe hacker... he/him
🌱 grow your hacking skills https://hextree.io
Nathan Hamiel @nhamiel.bsky.social Senior Director of Research. Black Hat Review Board Member (AI, ML, and DS track lead) and International public speaker. I focus on emerging technologies and risks at the intersection of humanity and tech. Hype Critic. My writing: https://perilous.tech
Bert Hubert 🇺🇦🇪🇺🇺🇦 @berthubert.bsky.social Software developer, entrepreneur, former government regulator, current government advisor, amateur scientist, publicist. https://berthub.eu/ More active on Mastodon -> @bert_hubert@eupolicy.social -> Nederlandse BlueSky @berthub.eu
Dan Bogdanov @danbogdanov.bsky.social Chief Scientific Officer at Cybernetica. Bleeding edge tech in privacy, identity, cybersecurity, e-government. Personal opinions only. Do ask about Sharemind!
noyb – European Center for Digital Rights @noyb.eu About us 👉 http://noyb.eu
Become a member 👉 http://noyb.eu/support
#MakePrivacyReality #InvestInPrivacy
epicenter.works @epicenter.works Menschenrechte im digitalen Zeitalter schützen.
Blog 🔘 https://epicenter.works
Impressum 🔘 https://epicenter.works/kontakt
GrapheneOS @grapheneos.org Open source privacy and security focused mobile OS with Android app compatibility.
https://grapheneos.org/
Christian Knabenhans @cknabs.bsky.social PhD student @EPFL; ex-@ETH
Taking privacy-enhancing crypto (mainly zkSNARKs & FHE) from theory to practice, and back.
🇨🇭🇫🇷 🏳️🌈
Joey Politano🏳️🌈 @josephpolitano.bsky.social Writing a data-driven newsletter about economics @ apricitas.io
Nuance? In this Economy
Full Employment Stan, Brazilian Coffee Tariff Victim |
Manish @manishearth.bsky.social unmappable territory
please leave a message after the beep
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/
Julien Vehent @jvehent.org Security engineer.
Amateur photographer.
Floridian Vermonter Frenchman.
Signal: @jvehent.37
Brian Smith @briansmith.bsky.social https://briansmith.org
Soatok @soatok.bsky.social 30-something gay furry with an interest in cryptography and software security.
Mastodon: https://furry.engineer/@soatok
Blog: https://soatok.blog
🎨 https://mrjimmydafloof.bsky.social
Russ Cox @swtch.com - D Dan Boneh @danboneh.bsky.social Crypotgrapher
Benjamin Dowling @bedow.bsky.social Senior Lecturer of Cryptography at King's College London.
Professional Protocol Admirer.
Views are my own.
He/Him.
Kenny Paterson @kennyog.bsky.social Bit flipper
@halvarflake.bsky.social @halvarflake.bsky.social 
Shweta Shinde @shwetashinde.bsky.social Assistant Professor at ETH Zurich, Security Researcher.
shwetashinde.org
Molly White @molly.wiki writes citationneeded.news • runs @web3isgoinggreat.com and @influence.citationneeded.news • tech researcher and cryptocurrency industry critic • software engineer • wikipedian
support my work: citationneeded.news/signup
links: mollywhite.net/linktree
💗💜💙- T @trevperrin.bsky.social @trevperrin.bsky.social
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
Miro Haller @mirohaller.bsky.social PhD student @ UCSD working on applied cryptography
https://mirohaller.com
Neil Madden @neilmadden.bsky.social Nothing…. Lipstick, a little blood.
James Forshaw @tiraniddo.dev Security researcher in Google Project Zero. Author of Attacking Network Protocols. Posts are my own etc. 
Meredith Whittaker @meredithmeredith.bsky.social President of Signal, Chief Advisor to AI Now Institute 
Michael Pratt @prattmic.com Hacking on the Go runtime and gVisor. 🏳️🌈
GitHub @github.com The AI-powered developer platform to build, scale, and deliver secure software.
Ange @angealbertini.bsky.social Reverse engineer, file formats expert.
Corkami, CPS2Shock, PoC||GTFO, Sha1tered, Magika...
Security engineer @ Google. He/him.
Juan Font Alonso @juanfont.bsky.social 🤖 🚀🛰 🇪🇺 🌐 🥑 🍹 🏳️🌈 🇺🇦
Cloud and DevOps infrastructure at the European Space Agency (esa.int). ~~ Opinions are my own ~~
Creator of headscale.net.
font.eu
Fredrik Dahlgren @fegge.bsky.social Cryptography and static analysis @ Trail of Bits
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
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
Adam Grant @adamgrant.bsky.social Organizational psychologist @Wharton. #1 NYT bestseller: THINK AGAIN. Podcasts: Re:Thinking & WorkLife. Diver. Arguing like I’m right, listening like I’m wrong.
Brad Fitzpatrick @bradfitz.com I do computers. Married to @radkat.fitzpat.com. Three kids. Xoogler.
Go (#golang) team 2010~2020. Made LiveJournal, OpenID, memcached. Currently at @Tailscale.com making WireGuard easy.
Seattle, WA // Bainbridge
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. 🏳️🌈
Maddie Stone @maddiestone.bsky.social Security Researcher at Google Project Zero. 0-days all day. Love all things reverse engineering. she/her
Dare Obasanjo @carnage4life.bsky.social Opinions about product management, technology news and inclusivity in tech. Diversity is about demographics, inclusion is about creating a sense of belonging.
Anthony Weems @amlw.dev Cloud Vulnerability Research @ Google
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
Ian Coldwater 🧊🚫 @lookitup.baby Kubernetes SIG Security Co-Chair, goose in the mainframe. Minneapolis. They/them. Stay punk 🏴
MSP feed info: https://bsky.app/profile/amityf.bsky.social/post/3mrv36uo4pc2a
Frederic Jacobs @fredericjacobs.com www.fredericjacobs.com
https://ger.mx/A-RGsldmQt0iXfnzPgXNzLzA5_jvDbWHabqz1yJrt2ma#did:plc:oxwmqopgbm3driwzues7odpz