Vincent Toubiana @vtoubiana.bsky.social Head of LINC (CNIL's Digital Innovation Lab), see our work there : https://linc.cnil.fr
Former CNNum/Arcep/FTC(intern)/Bell-Labs/NYU.
DM Open
Dungeon Crawler Matt @mattdinniman.bsky.social I write books. I play bass. I have dogs. 
Porter Square Books in Cambridge & Boston @portersqbooks.bsky.social Fiercely independent bookstore in Cambridge and Boston, MA
https://linktr.ee/portersqbooks
Mark X @markmx.bsky.social CTO @germnetwork.com
Veteran, Paul and Daisy Soros Fellow
Ted Han★ 韓聖安 @knowtheory.net ATProto Community Fund; ATmosphereconf Coorganizer
DocumentCloud, Mozilla Rally and Mozilla.Social. Former AAJA board member.
pfp by @montoulieu.dev's gameboy
James Grimmelmann @jtlg.bsky.social I’m a professor at Cornell Tech and Cornell Law School.
One of "a number of very informative people." -WSJ
Ashley Belanger @ashleybelanger.bsky.social Cursed to love reading legal docs.
Senior policy reporter for Ars Technica
ashleybelanger.com
Signal: @ashleybelanger.77
Harry Oppenheimer @harryoppy.bsky.social Assistant Professor @ Georgia Tech | digital globalization, cybersecurity, digital political economy. https://sites.gatech.edu/hoppenheimer/.
Knight-Georgetown Institute (KGI) @knightgtown.bsky.social Knight-Georgetown Institute connects independent research with technology policy and design.
Shreyas Minocha @shreyasminocha.me Computer Science PhD student at Georgia Tech
https://shreyasminocha.me
Election Technology Education Fund @electionteched.bsky.social A nonpartisan, nonprofit 501(c)(3) committed to bolstering public trust and confidence in U.S. elections | Alexandria, VA | RT≠ Agreement
http://electiontecheducation.org
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."
R. Michael Alvarez @rmichaelalvarez.bsky.social Election science pioneer. Prof at Caltech.
rmichaelalvarez.com
Michelle M. Shafer @michelleshafer.bsky.social Election Geek | Election Technology, Communications, and Research | Managing Principal, @MagentaSageLLC.bsky.social | Exec Director, @ElectionTechEd.bsky.social | RT≠ Agreement
Linde Center for Science, Society, & Policy at Caltech @caltechlcssp.bsky.social Linde Center for Science, Society, & Policy at Caltech | Research & debate on topics at intersection of science, society, & policy | R.M. Alvarez & F. Eberhardt
Brian Fung @brianfung.me Googler and former tech policy reporter for CNN, The Washington Post, The Atlantic & National Journal. A few things I enjoy: 🎮 🚴🏕️🍳🖖
Streaming at @BrainFungi on Twitch: https://www.twitch.tv/brainfungi
Eric Mill @konklone.com What is me? Who are I going?? The answers and more!!
Currently making Wikipedia safer. Been around the block a time or two: https://konklone.com (This is a personal account.)
James Gunn @jamesgunn.bsky.social DC Studios co-CEO, #Superman, #GuardiansoftheGalaxy, #Peacemaker, dog owner, husband, servant to my cat.
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
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
Kim Zetter @kimzetter.bsky.social Journalist - cyber/natn'l security. Speaker. Georgetown adjunct prof. Author - COUNTDOWN TO ZERO DAY: Stuxnet and the Launch of the World's First Digital Weapon
Signal: KimZ.42
https://www.zetter-zeroday.com
MIT Technology and Policy Program @tppmit.bsky.social 
Emily Tseng @emtseng.bsky.social Postdoc at MSR, soon a prof at UW HCDE, got my PhD at Cornell IS. I think about power, privacy, and participation in HCI, security and AI.
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
DEF CON @defcon.bsky.social The world’s premier hacker conference. Serving the global hacker community since 1993.
Defcon.org
Forum.defcon.org
Defcon.social
The Academic Resistance @academicresistance.bsky.social Fighting the assault on higher education and science by the Trump administration. Defending science, academic freedom, and the power of knowledge. HANDS OFF HIGHER ED!
🔥 #DefendHigherEd #DefendScience
Run by academics. DM us with tips and resources.
AAUP @aaup.org The American Association of University Professors champions academic freedom, advances shared governance, and organizes faculty to ensure higher education's contribution to the common good.
aaup.org
Kami Vaniea @kaniea.bsky.social Usable Security and Privacy researcher
Alice Hutchings @message4bob.bsky.social Professor of Emergent Harms, Department of Computer Science & Technology, University of Cambridge
Director, Cambridge Cybercrime Centre
Fellow and Director of Studies, King's College
she/her
Martin Kleppmann @martin.kleppmann.com Associate Professor at @cst.cam.ac.uk, researching decentralised systems and security protocols. Advisor to the Bluesky team. Wrote “Designing Data-Intensive Applications” (O’Reilly). he/him
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/
Real World Crypto Symposium @rwc.iacr.org The official Real World Cryptography Bluesky feed. Follow us for news of upcoming events.
Governor Tim Walz @governorwalz.mn.gov Dad, husband, teacher, coach, veteran. Governor of Minnesota. Working to move our state forward as #OneMinnesota.
Protect Democracy @protectdemocracy.org We are a nonpartisan, nonprofit group working to prevent authoritarianism. This account is owned and operated by Protect Democracy United.
Follow us on other platforms ➡️ https://protdem.org/m/stay-connected
Political polls @politicalpolls.bsky.social Consider giving us a follow if you like non toxic politics!
Barbara van Schewick @vanschewick.bsky.social Law Professor, Stanford Law School (@StanfordLaw.bsky.social). Director, Stanford Center for Internet and Society (@StanfordCIS.bsky.social). Author, Internet Architecture & Innovation.
https://cyberlaw.stanford.edu/about/people/barbara-van-schewick/
Mobius Digital Games @mobiusdigitalgames.com An independent game studio located in DTLA. Makers of Outer Wilds and Echoes of the Eye. We make games weird & wonderful. Come explore with us.
Alex Beachum @alexbeachum.bsky.social Creative director of Outer Wilds. Co-creative lead at Mobius Games. Easily excited by coffee, cocktails, and the cosmos. He/Him.
ACLU of Massachusetts @aclum.bsky.social We work in the:
⚖️ Courts | 🏛 Legislature | 🗣 Communities to protect civil liberties for all in Massachusetts.
Bob Lord @boblord.bsky.social Cautiously pessimistic, esp. about cyber things.
The owls are not what they seem. 🗻🗻🦉🌲🪵 🍒🥧☕️🍩 🕵🏼♀️ 👍🏻
Also: 🔐🔑🔒
And of course: hacklore.org
Other account: @hacklore.bsky.social
Stand Up for Science! @standupforscience.net We mobilize the fight for science and democracy - because science is for everyone! 🧬🧪🌎
Donate here: https://bit.ly/SUFS_GIVING
Learn more ⬇️
https://linktr.ee/standupforscience_bluesky
Alt18F @alt18f.bsky.social Delivered effective, efficient, and secure digital services for the American people until we were forced to stop on March 1, 2025. Not an official government account. Reposts are not endorsements. Our new website: https://18f.org/ #AltGov
Deepak Kumar @kumarde.bsky.social I'm a faculty member in Computer Science & Engineering @UCSD, a playwright, a composer, and a lyricist.
Steve Vladeck @stevevladeck.bsky.social @ksvesq.bsky.social’s husband; father of daughters; professor @georgetownlaw.bsky.social; #SCOTUS nerd @CNN.com
Bio: www.law.georgetown.edu/faculty/stephen-i-vladeck
"One First" Supreme Court newsletter: stevevladeck.com
Book: tinyurl.com/shadowdocketpb
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.
Jeremy Koster @jeremykoster.bsky.social Aligning incentives for better science - quality over status
Signer of DORA: https://sfdora.org/
Co-director of ENDOW project: https://endowproject.github.io/
Interdisciplinary socio-ecological scientist advocating for congruence of theory, data, and stats
Scott Shapiro @scottjshapiro.bsky.social Southmayd Prof @YaleLawSch + Philosophy @Yale. Ed, @LegalTheory + Stanford Encyclopedia of Phil. “Legality”, “The Internationalists” (with @oonahathaway), “Fancy Bear Goes Phishing.” Overuses “neurosymbolic”
Julia Angwin @juliaangwin.com Pre-order: ON COURAGE: HOW TO BE A DISSIDENT IN AN AGE OF FEAR (6/30 HarperCollins) tinyurl.com/yxpvn488
NYTimes Opinion Writer | Director, Independent Media program HKS
Sign up for my newsletter: https://buttondown.com/JuliaAngwin
Nicholas Weaver @ncweaver.skerry-tech.com Researcher, Computer Security @ ICSI
Chief Mad Scientist @ Skerry Technologies
Putting the Science in "Mad Science"
Digital, Explainable, and (usually) Adversarial Systems
Looking for employment: CV is here https://skerry-tech.com/cv.html
he/him
Pete Buttigieg @petebuttigieg.bsky.social Husband, dad, veteran, writer, and proud Midwesterner. 19th US Secretary of Transportation and former Mayor of South Bend.
Frederic Jacobs @fredericjacobs.com www.fredericjacobs.com
https://ger.mx/A-RGsldmQt0iXfnzPgXNzLzA5_jvDbWHabqz1yJrt2ma#did:plc:oxwmqopgbm3driwzues7odpz
Mark Riedl @markriedl.bsky.social AI for storytelling, games, explainability, safety, ethics. Professor at Georgia Tech. Director of ML Center at GT. Time travel expert. Geek. Dad. he/him
Unusual Whales @unusualwhales.bsky.social Skeet about markets and political corruption
Discord: http://bit.ly/3Bf2pNJ
Links: http://bit.ly/3V8D6Gb
Get $50-$5000 to trade: http://bit.ly/4ayctTD
Urs Hengartner @uhengart.bsky.social CS prof at University of Waterloo. Interested in security and privacy. 
Fadel Adib @fadeladib.bsky.social MIT Prof.
Founder-CEO | Cartesian.
Founding Director MIT Signal Kinetics Lab.
Sensors. IoT. Wireless. Oceans. Health. Robots.
35under35. Forbes30. WEF YGL
Paul Pearce @pearce.bsky.social Security Person. UC Irvine Professor. I miss old Twitter. Formerly Georgia Tech and UC Berkeley. https://pearce.prof
@gatechcyber.bsky.social @gatechcyber.bsky.social 
The Onion @theonion.com America’s Finest News Source. A @globaltetrahedron.bsky.social subsidiary.
Get the paper delivered to your door: membership.theonion.com
Join The Onion Newsletter: https://theonion.com/newsletters/
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
Pamela Samuelson @pamelasamuelson.bsky.social Professor, Berkeley Law School, who writes about challenges that new information technologies pose for intellectual property & other laws. Past Chair & member of Electronic Frontier Foundation Board & of Authors Alliance Board. Gardening is my best hobby- M Peiter “Mudge” Zatko @mudge.bsky.social DARPA/Google/Stripe/L0pht/Twitter/…/DARPA/[redacted]
https://en.wikipedia.org/wiki/Peiter_Zatko
Hackers on the Hill @hackersonthehill.org A semi-regular gathering for irregulars from the security research community to engage with Congressional staffers. Run by I Am The Cavalry, bridging the gap between the hacker and public policy communities since 2017.
Zack Whittaker @zackwhittaker.com Security editor, TechCrunch
Signal: zackwhittaker.1337
My stories: techcrunch.com/author/zack-whittaker
My newsletter/blog: this.weekinsecurity.com
@halvarflake.bsky.social @halvarflake.bsky.social 
John Scalzi @scalzi.com I enjoy pie.
Social Media FAQ: https://whatever.scalzi.com/2025/04/16/the-official-john-scalzi-social-media-faq/
Lea Kissner @leak.bsky.social Security, privacy, respect. Was the Twitter CISO until it was terrible. Now LinkedIn CISO. they/them
Mallory Knodel @mallory.techpolicy.social.ap.brid.gy Executive director and founder @swf, weekly newsletter @IX.
🌉 bridged from ⁂ https://techpolicy.social/@mallory, follow @ap.brid.gy to interact
Mark Cuban @mcuban.bsky.social Entrepreneur
Costplusdrugs.com
Filippo Valsorda @filippo.abyssdomain.expert RC F'13, F2'17
Cryptogopher / Go cryptography maintainer
Professional open source maintainer
https://filippo.io / https://github.com/FiloSottile
https://mkcert.dev / https://age-encryption.org
https://sunlight.dev / https://filippo.io/newsletter
Andy Sellars @sellars.bsky.social Public interest tech & media lawyer at albertsellars.law, based in Jamaica Plain, Boston. He/him
GonzoCubFan @gonzocubfan.bsky.social “Then the fit hit the Shan.”
Lord of Light by Roger Zelazny
Baseball, photography, wildlife, Speculative Fiction, music (guitar). I may know something about video games.
Richard DeMillo @demillo.com Computer science professor, cybersecurity researcher, grandfather, Ducati rider. Studies software engineering, algorithms, election technology and security. Working well past retirement age by choice.
Jeremy Epstein @jeremyepstein.bsky.social Former WH OSTP privacy guy. NSF SaTC (cybersecurity and privacy) lead for a decade, now trying to figure out what's next. Dad, grandfather. Personal account, nothing official here.
Votebeat @votebeat.org We're a nonprofit newsroom dedicated to local, nonpartisan coverage of election admin and voting access. Signal 201.430.5217. Support us: http://votebe.at/donate.
Orin Kerr @orinkerr.bsky.social Professor, Stanford Law School.
Senior Fellow, Hoover Institution.
Author, The Digital 4th Amendment:
https://www.amazon.com/Digital-Fourth-Amendment-Privacy-Policing/dp/0190627077/ref=tmm_hrd_swatch_0
Tarah Wheeler @tarah.org CSO of TPO.group ♦️ EFF Board of Directors♦️she/her ♦️ bestselling author but only that one time
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/
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
kate conger @kateconger.com tech reporter for the NYT!
co-author of CHARACTER LIMIT!
signal: kateconger.11
buy our book: https://www.penguinrandomhouse.com/books/737290/character-limit-by-kate-conger-and-ryan-mac/
tour dates & translations: https://linktr.ee/kateconger
yomna @rival-elf.bsky.social phone radio security, art, abstract math, weird fashion :: advisory board member @eff.org :: she/her :: posts my own :: https://yomna.net
Zakir Durumeric @zakird.com Internet Security, Trust, and Safety Researcher. Stanford CS Faculty, Censys Founder and Chief Scientist, ZMap Creator. https://zakird.com/
Stephan Somogyi @thinkpanzer.bsky.social Primum non nocere
Research & Teaching @ Columbia Journalism School
Willful & premeditated emdash & serial comma user; verber of nouns
Often staring down both barrels of Brandolini's law
Recovering tech, business, and design journo
Weniger, aber besser.
Serge Egelman @v0max.bsky.social Scientist. Dir. of Usable Security & Privacy at the International Computer Science Institute (icsi.berkeley.edu). Founder, AppCensus (appcensus.io). All opinions are those of his employer(s), and not his own.
https://www.guanotronic.com/~serge/
Wendy Seltzer @wseltzer.bsky.social Lawyer, techie, governance wonk. Also @wseltzer@infosec.exchange
Amanda Walker @aw90.bsky.social security & privacy geek by day, decorative artist by night.
Not interested in cryptocurrency or gofundme scams, sorry.
Andy Sayler @andysayler.bsky.social Information Security, Public Policy, and Food Stuff. InfoSec @Workday, ex-InfoSec @twitter. (he/him)
Kate McKinley @sigkate.bsky.social Security, Photography, Tokyo Verdy Beleza, Tokyo Sankyu Phoenix
SF->東京
Martin Wattenberg @wattenberg.bsky.social Human/AI interaction. ML interpretability. Visualization as design, science, art. Professor at Harvard, and part-time at Google DeepMind.
wendy knox everette @wendyck.bsky.social Startup CISO. BSidesLV Lockpick. Hacker lawyer. Amzn & Google alum, USCG wife, Wellesley, GMU Law. IAAL but IANYL.
Emily Stark @estark.bsky.social Encryption, HTTPS, certificates, web security, security UX, software engineering and management, TMI about parenting. Opinions are my own.
Danny Weitzner @djweitzner.bsky.social MIT Computer Science and Artificial Intelligence Lab
Founder, MIT Internet Policy Research Initiative
Privacy, Cybersecurity, Free Speech, Surveillance, Computer Science & Law
https://internetpolicy.mit.edu/daniel-weitzner/
Jonathan Frankle @jfrankle.com Chief AI Scientist at Databricks. Founding team at MosaicML. MIT/Princeton alum. Lottery ticket enthusiast. Working on data intelligence.
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.
Martin Shelton @mshelton.bsky.social Security therapist. Deputy director of digital security @freedom.press.
Mastodon: https://mastodon.social/@mshelton
Digisec newsletter: https://freedom.press/newsletters
Danny Quist @dannyquist.bsky.social Reverse engineer. Malware enthusiast.
Hank Green @hankgreen.bsky.social Long Time Internet Guy
travis lloyd (træve) @travislloydphd.bsky.social public interest technologist // luddite hacker.
information science phd at cornell tech.
inequality, ai, and the information ecosystem.
🤠 traeve.com 🤠- K David Karger @karger.bsky.social Professor, MIT EECS/CSAIL
http://people.csail.mit.edu/karger
Amy Bruckman @asbruckman.bsky.social I study online communities, content moderation, and social movements. 
Dr. Casey Fiesler @cfiesler.bsky.social information science professor (tech ethics + internet stuff)
kind of a content creator (elsewhere also @professorcasey)
though not influencing anyone to do anything except maybe learn things
she/her
more: casey.prof