METR @metr.org METR is a research nonprofit that builds evaluations to empirically test AI systems for capabilities that could threaten catastrophic harm to society.
Chris Palmer @fugueish.bsky.social Music for life, software safety engineering for a living, for now. https://noncombatant.org/
David Crawshaw @crawshaw.io ceo exe.dev, tailscale co-founder, programmer
Philip N Cohen @philipncohen.com Sociologist and demographer, U. of Maryland; SocArXiv director.
Latest book: Citizen Scholar: Public Engagement for Social Scientists https://cup.columbia.edu/book/citizen-scholar/9780231555418
Website: philipncohen.com
Blog: familyinequality.com
Norm Eisen @normeisen.bsky.social Sr. Fellow @ Brookings, Co-founder of Democracy Defenders Action, Executive Chair of Democracy Defenders Fund & Co-Founder of The Contrarian contrarian.substack.com. Posts with "TN" are from Team Norm
@jameschevalier.bsky.social @jameschevalier.bsky.social 
Stop Hacklore! @hacklore.bsky.social Visit us at https://hacklore.org today, and don't forget to sign up for the newsletter at https://buttondown.com/hacklore!
Bryce Tetraeder @brycetetraeder.bsky.social Global Tetrahedron CEO, chairman, media proprietor, entrepreneur, human trafficker, thought leader, and venture capitalist.
Global Tetrahedron @globaltetrahedron.bsky.social Global Tetrahedron was born of the shadows, and it is committed to control in all its forms. Parent company of The Onion.
Jeff Lawson @jeffiel.com CEO of Inertia, the commercial fusion energy company. Also, owner @theonion.com, founder and ex-CEO Twilio, purveyor of fine electrons since 1996.
Kat Abughazaleh @katmabu.bsky.social Former congressional candidate and journalist trying to change politics for good :) | www.kapow.works/
MS NOW @ms.now The place for in-depth analysis, political commentary and exclusive reporting.
Adam Klasfeld @klasfeldreports.com Editor in chief of @allrisenews.com. Fearless journalism about the law, your rights, and your powers to effect change during the Trump era. www.allrisenews.com/
Kyle Cheney @kyledcheney.bsky.social Senior legal affairs reporter at POLITICO with a focus on democracy, the balance of power and the clash between the Trump administration and courts.
Marty Lederman @martylederman.bsky.social Professor at Georgetown University Law Center; former DOJ/OLC attorney- J @jeffvanderstoep.bsky.social @jeffvanderstoep.bsky.social
Paul Goldsmith-Pinkham @paulgp.com Yale SOM professor & Bulls fan. I study consumer finance, and econometrics is a big part of my research identity. He/him/his
Phil Eaton @eatonphil.bsky.social on software infrastructure @theconsensus.dev.
theconsensus.dev
Paged Out! @pagedout.bsky.social Paged Out! is a free magazine about programming, hacking, security hacking, retro computers, modern computers, electronics, demoscene, and other similar topics. Always accepting submissions of one-page articles.
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
paris. @parisinbmore.bsky.social open source stuff
pedestrian
sea/sjc/bwi
was parisinbmore on fka twitter
fix your hearts or die. drum and bass saves lives.
Jenna McLaughlin @jennamclaughlin.bsky.social NPR Correspondent covering technology and national security.
Send me a tip: Text JennaMcLaughlin.54 on Signal from personal (nonwork) devices.
Senator Chris Van Hollen @vanhollen.senate.gov U.S. Senator for Maryland
vanhollen.senate.gov
Kamala Harris @kamalaharris.com Always fighting for the people.
Wife, Momala, Auntie. She/her.
107 Days, my behind-the-scenes account of the shortest campaign in history, is available now at https://kamalaharris.link/107Days.
Data Bear 🏳️🌈 @dataandpolitics.net Data and Politics.
Engineer, then academic, now engineer again.
Daytime is AI/ML research.
I care a lot about the open Internet and security. Wikipedia administrator.
Very San Francisco with an ATLien heart.
A widow who misses their husband. 🏳️🌈
Keith @keithdunn.bsky.social The image that I run from
Only seems to follow me
Aaron Reichlin-Melnick @reichlinmelnick.bsky.social Senior Fellow at the American Immigration Council. Commenting generally on immigration law and policy. Retweets =/= endorsements, views are my own.
John Skiles Skinner @skiles.blue I work on @securedrop.org
Former fed at 18F "deleted" by DOGE
🔗 https://skiles.blue/
Brian Smith @briansmith.bsky.social https://briansmith.org
Frank Figliuzzi @frankfigliuzzi.bsky.social FBI Assistant Director (retired); 25 year veteran Special Agent; Author, Long Haul: Hunting the Highway Serial Killers; and, The FBI Way; Democracy defender.
Matthew Green @matthewdgreen.bsky.social I teach cryptography at Johns Hopkins. https://blog.cryptographyengineering.com
Winnona @winnona.bsky.social @DistrictCon Founder. Hacker and attorney. @CyberStatecraft / @BelferCenter fellow, ex-Google threat research. Dog mom. Opinions=my own 👩🏻💻
Mehdi Hasan @mehdirhasan.bsky.social Editor and CEO, Zeteo
Author, ‘Win Every Argument’
British-American
Jeff Moss @thedarktangent.defcon.social.ap.brid.gy Founder of DEF CON & Black Hat. Maintainer of infocon.org.
Member of the UK Gov Cybersecurity Advisory Board & The Council on Foreign Relations.
Working to […]
🌉 bridged from ⁂ https://defcon.social/@thedarktangent, follow @ap.brid.gy to interact
Brooke Jamieson @brookejamieson.bsky.social Computer person in NYC - I work for aws but all views are my own etc
Pete Buttigieg @petebuttigieg.bsky.social Husband, dad, veteran, writer, and proud Midwesterner. 19th US Secretary of Transportation and former Mayor of South Bend.
Katie Mack @astrokatie.com Cosmologist, pilot, author, connoisseur of cosmic catastrophes. TEDFellow, CIFAR Azrieli Global Scholar. Domain verified through my personal astrokatie.com website. She/her. Dr.
Personal account; not speaking for employer or anyone else.
DC Rainmaker @dcrainmaker.com I write about sports tech and endurance sports. I also put together some pretty detailed product reviews along the way...stop by the site to check it out. Once DC, then Paris, Amsterdam, and now Mallorca.
Http://www.dcrainmaker.com
Graydon Hoare @graydon-pub.bsky.social extremely dubious of "everything is public" social network
Dr. Claire Le Goues @clegoues.bsky.social Prof@SCS@CMU, scientist, software engineer, “heartless wench”, mama. It's pronounced "Le Gwess". Mostly academia, tech/SE, PGH. She/her
Chris Bing @chrisbing.bsky.social Cyber, natsec and foreign affairs. Formers with ProPublica, Reuters and CyberScoop
https://bing-chris.medium.com/how-to-contact-me-d2fd4bd3ed7b
Daniel Schuman @americalabs.org Progressive institutionalist with an interest in modernizing Congress and strengthening our democracy. Bluesky is my penance for working at an org that once encouraged Congress to tweet.
Like what you see? More at https://firstbranchforecast.substack.com/
Andrew Lilley Brinker @alilleybrinker.com memory safety / Rust, #jj-vcs, urbanism, and more.
🧔🏼♂️ general words: alilleybrinker.com
🦀 rust words: possiblerust.com
Principal Engineer at MITRE (opinions are mine) · he/him
Microsoft @microsoft.com AI, Cloud, Productivity, Computing, Gaming & Apps ☀️
Christine Gangloff-Ziegler @cgangloff-ziegler.bsky.social Rectrice de l’académie de la Guadeloupe, ancienne présidente de l’Université de Haute-Alsace, ancienne directrice de l’IUT de Colmar, Professeure d’université.
max @mxms0.bsky.social 
jenny (phire) @phirephoenix.com I write code for a living and words for my sins. occasional blog posts at https://phirephoenix.com, weekly newsletter for organizing/activism in Toronto at @showuptoronto.ca.
Ryan Stortz @withzombies.bsky.social Memory Corruption, iOS, Swift, LLVM, CTF, old man stuff
NYC
Thomas Ptacek @sockpuppet.org Full of passionate intensity.
Justin Hutchings @jhutchings0.bsky.social Sr Director of Product @cloudflare. Ex-@GitHub, @Microsoft. Tech, politics, trivia, and sci-fi nerd. When I'm not here, I'm sailing or cycling.
https://www.jhutchings.net
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
Amanda Walker @aw90.bsky.social security & privacy geek by day, decorative artist by night.
Not interested in cryptocurrency or gofundme scams, sorry.
FerrousSystems @ferroussystems.bsky.social Ferrous Systems builds stable software in and around Rust. We focus on development, tooling and training for embedded systems and network services. https://ferrous-systems.com
Nicolas Christin @nc2y.bsky.social Prof. at Carnegie Mellon University. Computer security, online crime, and assorted online seediness. Reformed(?) hacker. Economic migrant.
📍 Pittsburgh, PA, mostly
🕸️ https://www.andrew.cmu.edu/user/nicolasc
Edward J. Schwartz @ejschwar.bsky.social Computer security researcher at CMU's Software Engineering Institute; {computer,car lease} hacker; rescue dog daddy; soccer player/referee; skier.
https://edmcman.github.io/
Dave Wasserman @redistrict.bsky.social Fiddle player who calls elections on the side.
Jack Cable @jackhcable.bsky.social CEO & Co-founder at Corridor.
Previously: Senior Technical Advisor at CISA, TechCongress in the Senate, Krebs Stamos Group, CISA, Defense Digital Service, and Stanford.- M Peiter “Mudge” Zatko @mudge.bsky.social DARPA/Google/Stripe/L0pht/Twitter/…/DARPA/[redacted]
https://en.wikipedia.org/wiki/Peiter_Zatko
STÖK @stokfredrik.bsky.social Hacker / Creative
Mischief & GOOD VIBES ONLY
Malware Unicorn @malwareunicorn.bsky.social @Straiker. Ex-Microsoft. Ex-Meta RedTeam, Ex-Endgame, Ex Fireeye. malwareunicorn.org
Liz Fong-Jones (方禮真) @lizthegrey.com Technical Fellow, @honeycomb.io
American by birth, Chinese by heritage, Australian by choice
living on occupied and unceded Gadigal and Musqueam/Squamish/Tsleil-Waututh land
she/it
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
ash @repne.bsky.social Currently focused on Red Teaming/Adversarial Simulation @ Google. Previously App Sec, Malware RE and Threat Intel. I also like video games and general tech.
Eduardo Vela @sirdarckcat.bsky.social 
@laparisa.bsky.social @laparisa.bsky.social Browser Boss @googlechrome; Security Princess
@google; Project Zero den mom; former @usds; skilled at baking, eating, and hijacking cookies.
Jen Bourey @jbourey.bsky.social Techie queer mom. Senior Staff Software Engineer @ Google, making code more secure. She/her. Views are mine.
LiveOverflow 🔴 @liveoverflow.bsky.social wannabe hacker... he/him
🌱 grow your hacking skills https://hextree.io
Koto @kkotowicz.bsky.social Security ninja wannabe / board game geek / photon catcher
Michal Melewski @carste1n.bsky.social Security Engineer @ Cloudflare,
ex-Google ISE,
I use bad software and bad machines for the wrong things.
My writing: https://carstein.github.io- R Rob Mann @rlwm.bsky.social
@ddworken.bsky.social @ddworken.bsky.social 
Abhishek Arya @infernosec.bsky.social Engineering Director, Open Source and Supply Chain Security
Christian Blichmann 🇺🇦 (also on Mastodon) @admvonschneider.bsky.social Everything is always broken. Googler by day. #BinDiff maintainer. My tweets, my opinion.
During my lifetime, CO2 increased by 67.84ppm (so far).
http://pronoun.is/he
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.- T @taviso.bsky.social @taviso.bsky.social
Jay 🦋 @jay.bsky.team Founder & Chief Innovation Officer @ Bluesky
Working on @attie.ai
🌱 🪴 🌳
erbbysam @erbbysam.bsky.social Software security, cryptography etc
stfn @stfn42.bsky.social Leading Red Teaming @ Google.
Alvaro Muñoz @pwntester.bsky.social Security Researcher with @GHSecurityLab. CTF #int3pids. Opinions here are mine!
Dave Aitel @daveaitel.bsky.social 
Michele Spagnuolo @miki.it 💼: Staff Information Security Engineer at Google. 🛠️: Rosetta Flash, BitIodine. 💛: web security, ⟠, ₿, finance. Data is the most dangerous form of opinion.
Chris Krebs @thekrebscycle.bsky.social Aka @c_c_krebs over there 
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.- K Kinuko Yasuda @kinuko.bsky.social Software engineer, mother
Annalee Newitz @annaleen.bsky.social bestselling author * Hugo winner * nerd
latest books: A Wall Is Also a Road, Automatic Noodle, We Will Rise Again
bylines: New Scientist, Flaming Hydra, etc.
pronouns: they/them
all the stuff: www.techsploitation.com
Stefan Bucur @stefanbucur.net Secure and reliable software systems. Memory safety. Program analysis. #rustlang and C++ interop. Previously fuzzing and symbolic execution. Staff Software Engineer and Manager @ Google.- A @adamdoupe.bsky.social @adamdoupe.bsky.social
Zardus @zardus.bsky.social Retired DEFCON CTF org.
Shellphish Captain Emeritus.
ASU Prof.
angr hacker.
pwn.college sensei.
Looking for students/interns!
https://yancomm.net
https://github.com/zardus
https://defcon.social/@Zardus
DilDog 🅅 @dildog.l0pht.com Tech Dysangelist
cDc/hack.xxx/Veilid
Support Veilid! Badge: 🅅 www.veilid.com
Merch at: @hack.xxx
he/him/"hey buddy"
d0nut @d0nut.dev 🦀 Rust + Security 🔑
Pete Markowsky @plm.bsky.social Cofounder & CEO @northpolesec.bsky.social
Prev: @google working on Security Agents including Santa. Cofounder and Chief Architect @capsule8 (tweets are my own.)
Personal Blog: https://blog.markowsky.us
Company Website: https://northpole.security
David (DWIZZZLE) Weston @dwizzzle.bsky.social Corporate Vice President, OS Security and Enterprise @Microsoft
Claudio Criscione @criscio.net Security Robot Overlord @ Google.
Vulnerability Management
Andrew Case @attrc.bsky.social Volatility Core developer, Dir. of Research Volexity, LSU Cyber
Leigh Honeywell @hypatia.bsky.social Security, diversity, housing, Canadian stuff 🇨🇦. Cofounder and CEO of @tallpoppy.bsky.social; more at leighhoneywell.com
Ollie Whitehouse @ollieatnowhere.bsky.social CTO at the UK's National Cyber Security Center 
Nicolas Grégoire @agarri.fr Web hacker 😈
Burp Suite Pro trainer 👨🏫
Maintainer of @mastering-burp.agarri.fr 🛠️
Richard Johnson @richinseattle.bsky.social Fuzzing; Vulnerability Research;
Deep Learning; Reverse Engineering
Training & Publications @ http://fuzzing.io
Hacking the planet since 1995
Undercurrents.io BOFH
I'll stop the world and melt with you
Adam J O’Donnell @adamjodonnell.bsky.social Deputy CISO @ Stripe. I like art. cDc ❤️🫵