OONI @ooni.org Exposing internet censorship worldwide since 2012.
Open data. Free software. Global community.
https://ooni.org/
Federal US domain bot @fed-us-domain-bot.bsky.social Posts when a Federal US .gov domain is added or removed. The Wayback machine can help you browse deleted sites: https://web.archive.org/
NOTE: A website can be unresponsive or show a 404, but this bot will only trigger when the domain itself is removed.
Andrew Ayer @agwa.name Bootstrapped founder of SSLMate (https://sslmate.com). Making SSL certificates easier and doing #WebPKI and #CertificateTransparency research on the side. Blog: https://www.agwa.name He/him
Alan Sepinwall @sepinwall.bsky.social He/him. TV Critic, author. Now searchable on Tubi. I am not Alan Sepinwall III.
https://whatsalanwatching.com
Nick Sullivan @nicksullivan.org Asymmetries in action
Shams Charania Tweets @shamsbot.bsky.social ESPN Senior NBA Insider
Reposting all the latest tweets by NBA news insider Shams Charania. This is a bot, to be clear.
Account Admin: @beastmoderocco.com
Will Stancil @whstancil.bsky.social Minnesota guy.
"This particular activist will not stop." Sen. Chris Murphy
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
Ohio Capital Journal @ohiocapitaljournal.com Connecting Ohioans to our state government and its impact on our lives. Free to read and republish, we are the Ohio Capital Journal, reporting for the people.
Sign up: ohiocapitaljournal.com/subscribe
Nick Evans @nckevns.bsky.social Ohio Capital Journal reporter
Justin Schuh @justinschuh.com Back in Chicago as a stay-at-home dad and small business owner. Expect some infosec/privacy/safety, 3D printing, and politics.
infosec.exchange/@jschuh
Defunct: twitter.com/justinschuh
Pessimists Archive @pessimistsarc.bsky.social We explore and catalog the history of technophobia and moral panic.
Our newsletter: http://newsletter.pessimistsarchive.org
Marty J. Wolf @martyjwolf.bsky.social Retired Computer Science professor, computing ethicist, fledgling philosopher, annoyed by contradiction. Chair ACM Committee on Professional Ethics. he/him
ACM Ethics @acm-ethics.bsky.social Helping promote ethics in computing & related professions. Re/posts ≠ endorsement - intended to inspire discussion.
ethics.acm.org is where you can find the Code and other supporting resources #ACMCodeofEthics #IReadTheCode
Gabriel Malor @gabrielmalor.bsky.social Oklahoman in Virginia. Appellate attorney.
I talk about federal court decisions. A lot.
Sometimes the most you can do is the best you can do.
gabriel.malor@gmail.com
USA Disappeared Tracker @disappearedtracker.bsky.social Alt-Account of @cripdyke.bsky.social
Tracking persons politically arrested, detained, or disappeared by the Trump regime since March 9, 2025.
Heather Havrilesky @heatherhav.bsky.social Author of Ask Polly + Ask Molly on Substack + four books, most recently Foreverland.
Magic Data Science @mtgds.bsky.social Doing math with Magic; doing Magic with math.
(Chromatic Lantern; Julie Dillon)
fwd:cloudsec @fwdcloudsec.org Non-profit, community-based cloud security conference.
Gina Matarazzo @ginamatarazzo.bsky.social Painter of whimsical animals in the pursuit of spreading peace and joy to all who need it.
https://linktr.ee/ginamatarazzo
Ransomware.live @ransomware.live Ransomware.live tracks & monitors ransomware groups' victims and their activity. It was created by @Julien.io, a security researcher. The website provides information on Ransomware groups, victims, negotiations, payment demands and much more.
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.
Ron Deibert @rondeibert.bsky.social Director of The Citizen Lab at the University of Toronto's Munk School of Global Affairs & Public Policy
Author of Chasing Shadows https://chasingshadowsbook.ca/ 
lokman tsui @lokman.org writer, (recovering) academic, amateur activist. teach at graduate institute of journalism, national taiwan university. fellow @citizenlab.ca.
he/him. writing a personal history of home and authoritarianism.
Jon Penney @penney.bsky.social Law Prof/Social Scientist | Osgoode Hall Law School | PhD Oxford (OII / Balliol) | Fellow/Affiliate: CitizenLab, BKCHarvard, CCRInitiative | twitter.com/@jon_penney | mastodon.social/@penney | jonpenney.com | Law, technology, and human rights
Bahr Abdul Razzak @syria.bsky.social Thwarting Online Autocrats, senior security researcher
@Citizenlab.ca 👨💻 @insyria.bsky.social is my other account
Siena Anstis @sanstis.bsky.social lawyer | senior legal advisor @ The Citizen Lab | PhD Fellow in Law @ University of Oslo | parent | currently: transnational repression, digital surveillance & international human rights law | EU-based (Geneva, Oslo) | https://sienaanstis.com
Alberto Fittarelli @fittarelli.com Sr. Researcher @citizenlab.ca, Disinformation & Harassment. Fmr. Meta. Trainer: find & expose covert influence. I like doers. Opinions my own.
Lex Gill @lex-is.bsky.social litigation for the people. senior fellow at @citizenlab, teaching at mcgill law, former scc clerk. constitutional red team. be brave, be brave, be brave.
Marcus Michaelsen @mmichae1sen.bsky.social Researching digital tech, human rights & authoritarian politics @citizenlab.ca. https://marcusmichaelsen.eu/ 
@jefnathan.bsky.social @jefnathan.bsky.social Part-time information security researcher, full-time daredevil. Infosec, science, skepticism, hobbies. Opinions are mine. Honeynet, Citizen Lab, w00w00
Elies Campo @elies.org Fellow CitizenLab. I like to build things. In love with the world, humanity, and its diversity. Formerly Growth, Business & Partnerships Telegram & WhatsApp.
Noura Aljizawi @noura.bsky.social Senior Researcher @Citizenlab.ca , UofT
Exploring the dark dimensions of digital power: authoritarianism, transnational repression & disinformation.
Free Law Project ⚖ @free.law We are the non-profit host of RECAP, CourtListener, and the Big Cases bots. We use technology and advocacy to make the legal sector better.
https://free.law | https://free.law/recap/ | https://courtlistener.com | https://bots.law
Virtual Routes @virtualroutes.bsky.social Virtual Routes tackles the impact of digital and emerging technologies on global affairs. Also check out @bindinghook.bsky.social, our media outlet.
BadThingsDaily @badthingsdaily.bsky.social THESE 👏 TWEETS 👏 ARE 👏 FICTION👏
This account tweets fictional or headline inspired breach scenarios.
To play: Share opinions on prevention or response steps.
Lawrence Piao @cdra90n.bsky.social PhD Student in Cybersecurity, Privacy and Trust at University of Edinburgh
Daniel W Woods @ieltop.bsky.social Economics of security and privacy. Lecturer at the University of Edinburgh + Researcher at Coalition.
Joe Uchill @joeuchill.bsky.social Potential game show contestant.
Former Axios, The Hill, Passcode. Founder of the Codebook cybersecurity newsletter. Once got lost in a Starbucks.
Chad D Heitzenrater @cheitzenrater.bsky.social Research & analysis in info security, cyber, AI, software, and acquisition | RANDCorporation | Opinions mine, RT ≠ endorsement
https://www.rand.org/about/people/h/heitzenrater_chad.html
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
Jamie MacColl @jamiemaccoll.bsky.social Senior Research Fellow @rusi.bsky.social | Senior Research Associate @virtualroutes.bsky.social | Usually researching ransomware and cybercrime | Sometime indie landfill guitarist
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
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.
Fernando Montenegro (he/him) @fsmontenegro.bsky.social Security technologist, always curious, industry analyst and practice lead at Futurum, trying to do the best I can re:work/life balance, etc… Work: Interplay between cybersecurity and economics is my catnip. Non-work: family, friends, golf, volleyball.
Luca @securescientist.eu Dad, husband, cybercrime prof with a kink for attacker economics. Head of the Threat Analysis group @tue.nl. 🇳🇱 by profession, 🇮🇹 by nature, 🇪🇺 by conviction. Optimistic cynicism is my thing. Love most. 🌏🔗securescientist.eu
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/
Ben Collier @susansegfault.bsky.social Senior Lecturer at University of Edinburgh in STS. Criminologist and author of Tor: From the Dark Web to the Future of Privacy. Chair of the Foundation for Information Policy Research. Researching power and harm in digital infrastructure. Pfp Jamie Buchan
Konstantinos Ioannidis @doctoriw.eurosky.social Postdoctoral Researcher in Economics at University of Cambridge.
Find me here https://konstantinosioannidis.github.io/
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
vx-underground (automated mirror) @vxundergroundre.bsky.social The largest collection of malware source code, samples, and papers on the internet.
Password: infected
(unofficial, this is a bot! Maintained by a private individual, the bot can't handle retweets or replies, support soonish)
Allan @allanfriedman.bsky.social SBOM Champion. Paranoid about supply chains of all kinds. Former full-service technocrat at CISA, NTIA. Lapsed{engineer, academic, author}. Now wandering the world doing acts of infosec-goodness, & occasionally getting paid for it. Poster of food pics.
Joseph Lorenzo Hall, PhD @josephhall.org Astrophysicist turned advocate; guiding the globe to a safer, stronger Internet. Distinguished Technologist @internetsociety.org, https://josephhall.org/, (former CDT, NYU, Princeton CITP, Berkekey iSchool/Astro)
Matt Blaze @mattblaze.org Scientist, safecracker, etc. McDevitt Professor of Computer Science and Law at Georgetown. So-called expert on election security and a few other things. Slow photographer. RF nerd. Occasionally blogs at https://mattblaze.org/blog
Christopher Soghoian @christopher.soghoian.net Previously: Senior Advisor for Privacy and Cybersecurity, Office of Senator Ron Wyden.
Beau Woods @beauwoods.com hack all the cybers
Jon Callas @joncallas.bsky.social Boffin, flâneur, ailouroboskos. Kubrick homage self-portraitist. Also cryptography, human rights, and stuff. Founded PGP, Blackphone, others; worked for DEC, Apple, SRI, ACLU, EFF, others. Was ShmooCon program chair for all twenty conferences.
Tarah Wheeler @tarah.org CSO of TPO.group ♦️ EFF Board of Directors♦️she/her ♦️ bestselling author but only that one time
Chris Gates @carnal0wnage.bsky.social Red Team, Hacking, Purple Teaming, AI, Stocks, Metaphysics, Plant Medicine, cryptocurrency
jck @ckesler.bsky.social 
Robert Auger @robertauger.bsky.social 25 years Appsec,PurpleTeam,Web Application Security Consortium(WASC) cofounder,Baythreat Organizer,Ex-PayPal/eBay/Box/Workday/Coinbase infosec. http://Sectemplates.com | https://www.cgisecurity.com/ | https://github.com/securitytemplates/sectemplates
Jason Chan @chanj.bsky.social Cat dad, recovering ultrarunner, reader, volunteer. Retired from cybersecurity. Marin County, CA.
Real World Crypto Symposium @rwc.iacr.org The official Real World Cryptography Bluesky feed. Follow us for news of upcoming events.
Assaf Keren @assafkeren.bsky.social 🛡️ CISO @Qualtrics | Advocating for a safer internet & the well-being of security pros. 
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."
Ryan McGeehan @mag00.bsky.social Security person. Formerly @ Federal Reserve, FB, Coinbase.
See Starting Up Security @ http://scrty.io
U.S. Consumer Product Safety Commission @cpsc.gov Your U.S. Consumer Product Safety Commission. Product safety info, data, and recalls. Standing for safety since 1972. Official account of the USCPSC. HQ: Bethesda, MD.
Subscribe for recall emails on CPSC.gov.
Report unsafe products on SaferProducts.gov
SwiftOnSecurity @swiftonsecurity.com computer security person. former helpdesk
Andrew Becherer @andrew.becherer.org I've been a software developer, application security engineer, a Chief Security Officer and a founder. I am a husband & dad. Formerly Datadog, Iterable, NCC & iSEC Partners. Living the dream in America's Pacific Northwest.
@seancatlett.bsky.social @seancatlett.bsky.social 
@bilcorry.bsky.social @bilcorry.bsky.social 
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
@smbowen.bsky.social @smbowen.bsky.social 
Andrew Hay @andrewsmhay.bsky.social COO, CISO, problem solver, team builder, silo breaker, data geek, international public speaker, competitive powerlifter, and proud husband.
shh @worldwise001.bsky.social 🇲🇾/🇨🇦. she/her
Shielder @shielder.com InfoSec boutique.
Owning things since 2014.
We love to go for the extra mile, where we usually find the best 🦟🐞🪲🪳🐛🐜🕷 the others miss.
Web: https://www.shielder.com
Twitter: @ShielderSec
Fediverse: @shielder.infosec.exchange
Vijay Bolina @vijaybolina.bsky.social Currently hacking AGI at Google DeepMind. Former Mandiant, Booz Allen, USG.
Chris Wysopal @weld.bsky.social Gray haired gray hat. Co-founder Veracode. Former L0pht security researcher. Builds tools to find and fix vulnerabilities in code at scale.
Grumpy dad energy @fdsignifier.bsky.social 
Sean Cassidy @seancassidy.me 
Alex Stamos @stamos.org CPO/CSO of Corridor.dev, teaching at Stanford.
wendy knox everette @wendyck.bsky.social Startup CISO. BSidesLV Lockpick. Hacker lawyer. Amzn & Google alum, USCG wife, Wellesley, GMU Law. IAAL but IANYL.
Adam J O’Donnell @adamjodonnell.bsky.social Deputy CISO @ Stripe. I like art. cDc ❤️🫵
gattaca @gattaca.bsky.social Grump, keynote, breaker of things, dad, podcaster, creator of (-:|3, OG, raconteur, gentleman spy, investor, whisky distillery owner
Emilio Escobar @eaescob.bsky.social CISO, investor, overall nerd, and wordle addict. Passionate about all tech, especially for tech that breaks the mold. https://emilio.blog
Adam Arellano 👩🏼🎤🧚🏼♂️🧜🏼♀️🏳️🌈 @adamarellano.bsky.social CyberQueer. Former Marine. Current Mexican and American. DEI Warrior. He/They.
Thoughts = Mine 🇲🇽🏳️🌈🇺🇸
David Oxley @oxley.io Senior leader for information security at Anduril Industries. @CitizenLab.ca Research Fellow. Former federal agent. Fan of space, books, cyberpunk, sci-fi, espionage history, and storms. Personal account. 🇺🇸 🇺🇦 🇹🇼 #ThreatIntel
Storm chasing 📸 🌪️: @wxdox.com
John Scott-Railton @jsrailton.bsky.social Chasing digital badness. Senior Researcher at Citizen Lab, but words here are mine.
Selena Larson @selenalarson.bsky.social loves dogs, sports, memes. she/her. podcaster. "bluesky's humblest resident nailfluencer 💅" - Jerry
my heart is in the west 🌵🌊 views mine.
Kevin Beaumont @doublepulsar.com cybersecurity weather man. scanning the horizons for cloudy cyber. Expert at nothing except computer rubbish. Anti-ransomware since 2015.
Marc Rogers @cjunky.bsky.social Ramblings of a Mad Englishman: Hacker @ BBC's Real Hustle & Mr Robot. Head of Sec @ DEF CON. Founder @ CTI-League, Ransomware Taskforce, w00w00, CDC NSF, (He/Him).
Also
Twitter @marcwrogers
Mastodon cj@chaos.social
Patrick Gray @patrick.risky.biz https://risky.biz/
Danny Moore @moore.bsky.social Cyber-warfare | PhD from KCL | Author of 'Offensive Cyber Operations' | Security @ Meta 
Bill Marczak @billmarczak.org senior researcher at @citizenlab.ca
Allan “Ransomware Sommelier” Liska @ransomwaresommelier.com Recorded Future - Ransomware Researcher
Owner @greenarcher.io - Yours Truly, Johnny Dollar | The Press Guardian | The Clock | The Green Archer
Weird mix of security, comics, photography and wine!
www.greenarcher.io
J. A. Guerrero-Saade (JAGS) @jags.bsky.social VP of Intelligence and Security Research, Senior Technical Fellow (AI) @ SentinelOne.
Distinguished Fellow and Adj Professor @ Hopkins SAIS Alperovitch Institute. Three Buddy Problem Co-Host. LABScon Founder, Cyber Paleontologist, Fourth-Party Collector.
David Agranovich @dagrano.bsky.social Fmr. NSC Director, Intelligence. Director, Threat Disruption @ Meta. Rescue Dog Pilot, Flight Instructor, Former Big Hair Practitioner 🏳️🌈
Shane Huntley @shanehuntley.bsky.social Aussie security / tech guy.
Google Threat Intelligence. Co-founder Threat Analysis Group (TAG). Tweets are my own not my employers.
Silas Cutler @silascutler.bsky.social You may know me from your server logs.
#Malware, Hacks, Internet Scanning, #CTI
Will T @bushidotoken.net 🇬🇧 | Senior Threat Intelligence Advisor at Team Cymru | Co-author SANS FOR589 | Co-founder Curated Intel