Philippe Auclair @philippeauclair.bsky.social Writes and sings for Josimar, The Guardian and Tapete Records
Hourly Cosmos @hourlycosmos.bsky.social Photo sharing bot for planetary and deep space images.
Run by @kevinmgill.bsky.social
Content providers added with permission.
🇵🇸Martin “Doomsday” Pfeiffer🖖🏳️🌈 @nuclearanthro.bsky.social Anthro PhD Candidate.
nukes, cats, semiotics, FOIA, existential threats, heritage, nationalism, secrecy, etc.
QUEER
RT/Fave/etc ≠agree
he/him
http://patreon.com/nuclearanthro
http://paypal.me/nuclearanthro
https://osf.io/46sfd/
Allison Nixon @nixonnixoff.bsky.social Chief Research Officer @ Unit 221B
most reliable way to reach me is my company's outreach form on the website
my other urls:
https://infosec.exchange/@nixonnixoff
https://www.linkedin.com/in/allison-nixon-81822124/
don't bother contacting me on twitter
BeijingPalmer @beijingpalmer.bsky.social Deputy editor at Foreign Policy, China nerd, gaming nerd, reads a lot. Never again a country without consequences.
Kingston Reif @kingstonareif.bsky.social Senior International/Defense researcher at the RAND Corporation. Former DASD for Threat Reduction and Arms Control + Arms Control Association. Wisconsin sports fanatic. Personal account.
Cheryl Rofer @cherylrofer.bsky.social Retired nuclear scientist. Worked in Estonia, Kazakhstan, and Los Alamos on environmental cleanup, nuclear nonproliferation, and the nuclear fuel cycle.
She/her.
Blogs at Nuclear Diner and Lawyers, Guns & Money
Photo: Semipalatinsk Nuclear Test Site
Ankit Panda @nktpnd.bsky.social Stanton Senior Fellow, Carnegie Endowment for International Peace; Author of ‘THE NEW NUCLEAR AGE’ (Polity) & ‘KIM JONG UN AND THE BOMB’ (Hurst/Oxford)
Subscribe to my newsletter (Nukesletter): https://panda.substack.com/
Quinta Jurecic @qjurecic.bsky.social Writing about law and democracy at The Atlantic, previously Lawfare. Not a lawyer. It's KWIN-ta.
Signal: qjurecic.32
Patrick Gray @patrick.risky.biz https://risky.biz/
Joshua Keating @joshuakeating.bsky.social Foreign policy/national security reporter
Author of Invisible Countries
Here, there, everywhere
Sangsin Lee @sslee.bsky.social Political Scientist. Ph. D.
Korea Institute for National Unification
KINU Unification Survey.
Andrew Exum @exum.bsky.social 
SpyTalker @spytalker.bsky.social Founding editor, SpyTalk.co. Longtime DC-based natsec journalist. Pvsly Newsweek, WaPo, CQ/Homeland Security, books, magazine freelance
Claire Willett @clairewillett.bsky.social Chaos Muppet. Raconteuse. The internet’s gay Catholic aunt. Playwright, novelist, arts journalist, grantwriter. Archbishop of Bluesky. Schism enthusiast. Never not thinking about Star Trek. Long threads, all caps, can’t lose.
James @gravitysra1nbow.bsky.social Uphold Thucydidian-Clausewitzian-Hegelian-Fukuyamist thought.
https://othermeans.substack.com/
Secretary of Defense Rock @sodrock.bsky.social The defense policy views of the people's champ. AKA Great One, Flex Kavana, and Brahma Bull. Might be Dwayne Johnson, could be Harold Brown. Views my own. Substack⬇️
https://secretaryrofdefenserock.substack.com/
Popehat @kenwhite.bsky.social Defunct account of Ken White, criminal defense attorney and First Amendment litigator. Co-host of Serious Trouble podcast and writer at The Popehat Report. Opinions here are my own. Decent people fight evil.
Signal: KenWhite.1969
Nicholas Grossman @nicholasgrossman.bsky.social International Relations prof at U. Illinois. Editor of Arc Digital. Author “Drones and Terrorism.” Politics, national security, and occasional nerdery.
Alex Wellerstein @wellerstein.bsky.social Nuclear historian. Professor at Stevens Institute of Technology. Visiting researcher at Nuclear Knowledges program, Sciences Po (Paris). Author of THE MOST AWFUL RESPONSIBILITY (2025). Creator of NUKEMAP. Blogging at https://doomsdaymachines.net.
Michael Shurkin @michaelshurkin.bsky.social Ex-CIA, Ex-RAND, ex-historian. I post on things related to defense, national security, Africa (esp. the Sahel), and all things French military. Sometimes troll antisemites.
Shashank Joshi @shashj.bsky.social Incoming Washington bureau chief at The Economist. Previously defence editor for eight years.
Visiting Fellow at Department of War Studies, KCL. For speaking engagements: https://chartwellspeakers.com/speaker/shashank-joshi
Peter Lucier @peterlucier.bsky.social War is bad. Books are good. He/him. STL. Go Cards. Let’s Go Blues. AllForCity
Jack Murphy @jackmurphyrgr.bsky.social National security journalist: https://thehighside.substack.com
Host on @theteamhouse.bsky.social
Military Thriller, The Most Dangerous Man: https://www.penguinrandomhouse.com/books/803651/the-most-dangerous-man-by-jack-murphy/9798892424509/
Kai Ryssdal @kairyssdal.bsky.social Dad, husband. IPAs. Soccer referee, trail runner, mountain biker. Veteran.
ThreatInsight @threatinsight.proofpoint.com Proofpoint's insights on targeted attacks and the cybersecurity threat landscape.
Jérôme Meyer @jmeyer.infosec.exchange.ap.brid.gy Security research at Nokia Deepfield (he/they).
EN/FR posts | Fan of Crocker’s Rules, art, and the Oxford comma.
[bridged from https://infosec.exchange/@jmeyer on the fediverse by https://fed.brid.gy/ ]
Dustin Volz @dustinvolz.bsky.social Washington correspondent for The New York Times focused on cyber conflict, digital espionage and intelligence. Prior stops at WSJ, Reuters, National Journal. https://www.nytimes.com/by/dustin-volz
Jon B. Wolfsthal @jonatomic.bsky.social Nuclear Fellow @ Pax Sapiens, former Bulletin of Atomic Scientists and State Department International Sec Advisory Board, CNAS Sr. Fellow, former National Security Council. No #manels, Yankees/Gunners.
Hans Kristensen @nukestrat.bsky.social Director, Nuclear Information Project, Federation of American Scientists. Tracking nuclear arsenals, co-author of Nuclear Notebook, SIPRI Yearbook. Opinions my own.
Website: https://fas.org/initiative/nuclear-information-project/
Pavel Podvig @russianforces.org Russian nuclear forces, nuclear arms control, disarmament, verification. Strictly personal views here.
All coordinates are at http://russianforces.org/podvig
Will T @bushidotoken.net 🇬🇧 | Senior Threat Intelligence Advisor at Team Cymru | Co-author SANS FOR589 | Co-founder Curated Intel
Brad Duplessis @bradduplessis.bsky.social It doesn’t matter.
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
Wesley Morgan @wesleymorgan.bsky.social Writing about America’s post-9/11 wars
https://linktr.ee/wesleysmorgan
Author of THE HARDEST PLACE (2021)
https://www.penguinrandomhouse.com/books/227894/the-hardest-place-by-wesley-morgan/
Signal: https://tinyurl.com/kzmejtaw
B. A. Friedman @bafriedman.bsky.social University of Reading (UK) PhD student studying naval strategy and amphibious warfare. Author of books On Tactics and On Operations. Occasional blogger: https://bafriedman.substack.com/
Nad @nadsec.online Hacker (the good kind[mostly]). Breaking things, fixing them, then breaking them again. AI, robotics, honeypots, and whatever else keeps me up at night
https://github.com/Rat5ak
https://medium.com/@Nadsec
https://x.com/Nadsec11
Catalin Cimpanu @campuscodi.risky.biz ☆ Cybersecurity reporter
★ Newsletters at Risky Business
#infosec #cybersecurity
https://risky.biz
Christiaan Triebert @trbrtc.bsky.social Visual Investigations reporter at The New York Times. Previously with Bellingcat and Airwars. Retired hitchhiker.
Ariane Tabatabai @atabatabai.bsky.social Vice President of Research for Security & Defense at Chicago Council on Global Affairs • Contributing Editor at Lawfare • Ex Pentagon & State Department • Author of No Conquest, No Defeat (Oxford University Press) & co-author of Triple Axis (Bloomsbury)
Nicole Grajewski @nicolegrajewski.bsky.social Assistant Professor at Sciences Po CERI | Associate with Harvard’s Managing the Atom | working on nuclear issues involving Russia and Iran | author of Russia and Iran: Partners in Defiance from Syria to Ukraine (OUP/Hurst)
404 Media @404media.co it's a website (and a podcast, and a newsletter) about humans and technology, made by four journalists you might already know. like and subscribe: 404media.co
Mike Black @mikeblack114.bsky.social Are you shittin me?!?!! No, but you'll print that and I'll probably be investigated
Posts mine, but if you see something you think you can use to get me in trouble I did it on my own time and my own device, so good luck
John Carl Baker @johncarlbaker.bsky.social foreign policy, international peace and security, nuclear weapons, antiquity
Words: Nation, Bulletin of the Atomic Scientists, NK News, US Institute of Peace, New Republic, elsewhere
seniores tollunt omnia
Zach Dorfman @zachsdorfman.bsky.social Washington Post National Security Reporter. Past features in Politico, Rolling Stone, Wired, Foreign Policy. Working on a book on the history of deep cover for Penguin-Random House.
It’s always Berlin 1989 somewhere. Signal: zsd.19
Michael Duitsman @duitsmanms.bsky.social Fellow at the Foreign Policy Research Institute. Rocket propulsion and radiological security (usually not at the same time). Opinions my own. Faves/RTs ≠ endorsements
David DiMolfetta @ddimolfetta.bsky.social Nextgov/FCW cybersecurity + intelligence reporter. Tips: ddimolfetta@govexec.com Signal: @ djd.99 X/Twitter: @ddimolfetta
Lawfare @lawfaremedia.org Straight-shooting information and analysis at the intersection of national security, law, and policy.
Support Lawfare at https://www.lawfaremedia.org/support
Oleg Shakirov @shakirov2036.bsky.social I study Russian foreign policy, cyber security, arms control
Dr. Jonathan Schroden @jjschroden.bsky.social 23 years as a military ops analyst. Lots on DOD, especially special ops & irregular warfare. Author of a forthcoming book on the history of US CT in Afghanistan (https://a.co/d/00ChSA82). All views my own, RT not endorsement. Be droll, not a troll.
Sam Sabin @samsabin.bsky.social Axios cybersecurity reporter, taking it day by day ✨ | 📩: sam.sabin@axios dot com, signal: SamSabin.01 (no pitches!), she/her
Cloudflare Radar @radar.cloudflare.com Internet trends, as seen by the Cloudflare global network.
The Kyiv Independent @kyivindependent.com Independent English-language journalism in Ukraine
Become a member: kyivindependent.com/membership
Dr Emma Salisbury @salisbot.bsky.social Naval Iconoclast, Military-Industrial Expert
Senior Fellow, National Security Program, Foreign Policy Research Institute
Decker Eveleth @dexeve.bsky.social PRC and DPRK strategic forces analyst with CNA. BA Reed College, MA Middlebury Institute. NSF GRFP. 
Andy Greenberg @agreenberg.bsky.social Writer for WIRED. Author of SANDWORM. Latest book, TRACERS IN THE DARK: The Global Hunt for the Crime Lords of Cryptocurrency, out now. agreenberg@wired.com. Andy.01 on Signal.
Zach @thrustwr.bsky.social Former NavalNews & USNINews writer, Track Fuser, R-1/P-1 Budget Reader.
For defense-related stuff
Site: https://defensearchives.com/news
Mike Petersen @michaelbpetersen.bsky.social Russian military and warfighting analysis at the Center for Naval Analyses; Senior Non-Resident fellow at Foreign Policy Research Institute; former Senior Advisor to US Navy CNO; former director of Russia maritime studies at U.S. Naval War College.
Aaron Stein @aaronstein1.bsky.social President/CEO @fpri.bsky.social; Podcast w/ blogfather @armscontrolwonk.bsky.social; Recent Substacker; Author: US War Against ISIS. Views are all my own
Sam Lair @slair.bsky.social Fellow at FPRI | MIIS NPTS '24 | RTs/views my own etc. Also @sam_lair on Twitter
Jeffrey Lewis @armscontrolwonk.bsky.social William J. Perry Lecturer at Stanford CISAC & Distinguished Research Fellow FPRI. Member of the Bulletin of Atomic Scientists Science and Security Board & National Academies Committee on Int’l Security and Arms Control.