Astronomer Royal for Scotland | Catherine Heymans @astroroyalscot.bsky.social Astronomer Royal for Scotland, Professor of Astrophysics, Edinburgh University. Author of How to Design a Universe. @astronomerroyal on insta (She/her)
World Travel Posters @worldtravelposters.bsky.social Visualize World Peace
Emily Gorcenski @emily.gorcen.ski Bluesky literacy crisis actor. Opinions mine.
📍Charlottesville
en / de / es
Posts autodelete after 2 days or if viral. Some posts automated.
Web:
- emilygorcenski.com
- registry.blue
SANS.edu Internet Storm Center @sansisc.bsky.social http://isc.sans.edu - Global Network Security Information Sharing Community - Daily blogs and cyber security news podcast.
Perimeter Institute for Theoretical Physics @perimeterinstitute.bsky.social We are an independent centre for research, training, and outreach in theoretical physics in Waterloo.
https://perimeterinstitute.ca/link-in-bio
tactical_legacy_kirbo @da667cant.hax.lol Senior Security Researcher, Proofpoint Emerging Threats. I stare at pcaps all day, and use my pattern-seeking scattered hunter-gatherer brain, to write IDS signatures. I'm also a huge fuckin nerd. Obligatory My words are not fit for consumption warning.
rand0h @akacki.net Goon / Degenerate / KD3CHT / Akacki.net / DEFCON610.org
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
Joe Slowik @pylos.co Threat Intel / CTI / OT / ICS / Critical Infra stuff along with other things. I genuinely care, and wish others did too.
Website: pylos.co
Training/Consulting: paralus.co
Blackwall | For a human internet. @blackwall.gg Check out our AI media labeler @labeler.blackwall.gg (lists are also here)
Not sure if something is AI? mention @isthisai.blackwall.gg under a post
Jade Van Kley @backlinenurse.bsky.social Accidentally started learning about weird baseball history and now I don’t know what else to do with myself.
@BacklineNurse on all the things.
Nashville.
John Hudson @johnphudson.bsky.social I cover diplomacy and national security for The Washington Post
Bookshop.org @bookshop.org A better way to buy books online where every purchase supports local bookstores ☀️📚
https://bookshop.org/
Max Colbert @mc00.bsky.social Freelance journo/researcher.
Bylines: Guardian, Mirror, DeSmog, Byline Times, Computer Weekly, Democracy for Sale, AOAV, The Nerve, Citizens, Good Law Project, Dawn etc.
Email:mcfoiareturns@proton.me
Josephine beckbook.com Riesman @josie.zone NYT-bestselling, US-born immigrant living in Portugal. Books: RINGMASTER; TRUE BELIEVER; and on Oct. 6, @beckbook.com. Married to @sirosenbaum.bsky.social. Co-hostess of @herecomestomorrow.net. PFP is Nomi Sunrider as drawn by David Roach.
Astronauts For America @astronauts4america.bsky.social Our Country is the Mission.
astronautsforamerica.org
The Diana Initiative @dianainitiative.bsky.social 501c3 nonprofit To create a more inclusive infosec industry.
TrustedSec @trustedsec.com End-to-end Cybersecurity consulting team leading the industry, supporting organizations, and giving back. #HackThePlanet
https://trustedsec.com/
DuckDuckGo @duckduckgo.com Independent online privacy company with browser, search engine, and optional AI.
Brian Phillips @brianphillips.lol Senior Writer at The Ringer covering the intersection of tech, politics, and media 🦉 NYT bestselling author of Impossible Owls 🦉 also, how can I put this: sports
https://bookshop.org/p/books/impossible-owls-essays-brian-phillips/7310179?ean=9780374175337
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
OSINTtechnical @osinttechnical.bsky.social PAI enjoyer, OSINT guy @truth.bsky.social , my views/freezing cold takes are my own. Standard spiel about not endorsing retweets, likes, and comments.
Judd Legum @juddlegum.bsky.social I write Popular Information, an independent newsletter dedicated to accountability journalism. | judd@popular.info | Signal: juddlegum.47
Popular.info
kc green @kcg.bsky.social cartoonist of Greatures, made "This is Fine" • he/him • http://kcgportfolio.site • https://linktr.ee/kcgreenn • email me: kcgreenn@icloud.com
Congresswoman Sara Jacobs @sarajacobs.house.gov Proud to represent San Diego and a new generation of leaders in Congress.
IFIN @ifin-intel.org The Independent Federated Intelligence Network.
Our mission: Empower organizations to independently collect, analyze, and disseminate relevant cyber threat intelligence through training, open source tools, and a decentralized intelligence sharing network.
Swapna Krishna @swapnakrishna.com space reporter. covering Artemis II for NatGeo.
occasionally: national geographic, engadget, fast company, wired, science friday, npr. links: http://bio.site/skrishna
also: Star Trek, Star Wars, knitting, books, parenting
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.
Matthew Facciani @matthewfacciani.bsky.social Social scientist @yalesph.bsky.social exploring how we form beliefs and make sense of health information in the age of AI. Author of Misguided. https://amzn.to/48zTs59
https://matthewfacciani.substack.com
www.matthewfacciani.com
Kate Marvel @drkatemarvel.bsky.social Climate scientist, formerly NASA, currently Project Drawdown. Former astrophysicist, current Earth supremacist. Author of HUMAN NATURE, best book of 2025 according to both Scientific American and my dad https://shorturl.at/aJRYb
Mar Hicks @histoftech.bsky.social Historian of technology, occasional dad jokes.
www.marhicks.com
Earth @earthin24.bsky.social A video of the earth everyday as seen from the Japanese himawari8, American GOES16/18, Two EUMETSAT and EPIC satellites. An unofficial bot by @ryanseddon.com
Andrea Tinker @andreadotweb.bsky.social UA alum / Reporter for Alabama Reflector / Lover of all things pop culture
Anna Barrett @annabjournalist.bsky.social JSU alum | Reporter at Alabama Reflector | lover of Taylor Swift and various grandma hobbies
Carl Quintanilla @carlquintanilla.bsky.social 26+ years at @CNBC and @NBCNews / @WSJ alum / Peabody, DuPont, Murrow & Emmy winner
Kris Asick @pixelmusement.com Proprietor of Pixelmusement, creator of PixelShips, and host of the web shows: Ancient DOS Games and No-Nostalgia Retro Gaming. (He/Him)
Website: https://www.pixelships.com
YouTube: https://www.youtube.com/@Pixelmusement
Maggie McNeill @maggiemcneill.bsky.social Overeducated and unrepentant whore who talks far too much and writes the popular blog The Honest Courtesan in addition to the usual harlotry.
CNBC @cnbc.com First in business worldwide. 💰
Karly Kingsley @karlykingsley.bsky.social #NotYourMamasMarthaStewart | Journalism l Politics l Tech + AI | Former Chef |
Connecticut + Massachusetts I
PoliticsGirl @politicsgirl.bsky.social Immigrant. Citizen. Mouthy advocate. NYT bestseller of A RETURN TO COMMON SENSE. Official account💙
https://linktr.ee/politicsgirl
adafruit @adafruit.com Engineer - Founder of Adafruit - Brooklyn, NY USA - Manufacturer, open-source hardware, certified Minority and Woman-owned Business Enterprise (M/WBE) https://adafruit.com - support https://forums.adafruit.com & order/customer help support@adafruit.com
Obsolete Sony @obsoletesony.com Embark on a journey through the obscure world of forgotten, odd, and obsolete Sony devices.
John Abernathy @john-abernathy.bsky.social Independent Documentary Photographer
Bearing witness without permission.
No badge. No distance.
📍Minneapolis
https://linktr.ee/john_abernathy_
Doug Jones @dougjones.bsky.social Louise's husband. Father of three. Granddad of two. Scout & Dakota’s buddy. Former U.S. Senator, former U.S. Attorney and candidate for governor of Alabama in ‘26. Author of ”Bending Toward Justice.”
Michael Richmond @beartoothskier.bsky.social Wilderness/outdoor and science oriented living in and documenting the changes we are seeing with environmental/climate collapse in the GYE. Live in Red Lodge, MT since 2020 with my two helpers Sundance (the big one) and Otter (the littler one).
AltWatcher @altwatcher.bsky.social Keeping an eye on "Alt" US Govt. accounts, and one account in particular.
For more of my writing on this subject:
https://dispatchesfromtheonlinevoid.wordpress.com/
My main account: @jjoycelynch.bsky.social
Visit altnationalparks.com to learn more!
Mayor Zohran Kwame Mamdani @mayor.nyc.gov Fighting every day to deliver a city that working New Yorkers can actually afford. Mayor of New York City.
Secrets & Spies Podcast: Global Affairs | Intelligence @secretsandspies.bsky.social A transatlantic podcast exploring the world of espionage, terrorism, geopolitics, and intrigue | Co-hosted by @chriscarrfilm.bsky.social and @mattfulton.net | linktr.ee/secretsandspies
Julie K. Brown @jkbjournalist.bsky.social Miami Herald Investigative journalist, author of "Perversion of Justice: The Jeffrey Epstein Story." Philly girl trying to make my way in the South Florida wilderness. Temple Owl. Jkbjournalist on Substack.
World Bollard Association™️ @worldbollardassoc.bsky.social The official Bluesky account of the World Bollard Association™️. MERCH STORE - https://worldbollardassociation.team-togs.com/shop/storeorderform.php
Chris Hayes @chrislhayes.bsky.social Bronx boy. Cubs fan. Dad, husband, writer, podcaster and cable news host.
The Sirens’ Call: How Attention Became the World’s Most Endangered Resource out now.
https://sirenscallbook.com/
Deviant Ollam ツ @deviantollam.bsky.social Philadelphian in Cascadia. Vociferous champion for Oxford commas, two spaces after a period, and ellipses. I break into buildings. 🔓
"Even if the world were ending tomorrow, I would still plant a tree." 🌲
(he/they)
Asha Rangappa @asharangappa.bsky.social Fmr FBI Special Agent, lawyer, @JacksonYale. Tiger(ish) mom. Legal and national security analyst. Editor @just_security. Steam mop influencer. Views mine.
https://asharangappa.substack.com
Chris Geidner @chrisgeidner.bsky.social Subscribe to www.lawdork.com for SCOTUS and other legal news. / lawdorknews@gmail.com / Signal: crg.32 / About me: Sober. Queer. Bipolar. Theater. Buckeye. And, now, F1. (I'm as surprised as you are.) / He/him.
Dr. Sarah Parcak @indyfromspace.bsky.social Professor, Archaeologist, Egyptologist, Award-winning writer of books, Dad joke lover, mom, rabble-rouser academic. Owned by cats. she/her 
Jeffrey Woolsey @wsvguy.bsky.social Principal Program Manager, Microsoft. Azure Stack HCI/Windows Server/Hybrid Cloud. He/Him. Posts are mine and don't represent my company. 🇺🇸 🇵🇦
Nat Lash @natlash.bsky.social Reporter and developer on ProPublica’s news applications team. Tracking disease on the molecular level 🧬 and land use from outer space 🛰️
NathanielLash.com
Cloudflare @cloudflare.social Cloudflare is the world’s leading connectivity cloud, and we have our eyes set on an ambitious goal — to help build a better Internet.
2600 - The Hacker Quarterly @2600.com Since 1984, 2600 Magazine has published the hacker perspective and documented the development of the hacking community. In addition to the magazine, we have a weekly radio show ("Off The Hook") and a biennial conference (Hackers On Planet Earth - HOPE).
Shodan @shodanhq.bsky.social Monitor your external network, search the Internet of Things and perform empirical market research. You can also find us on https://mastodon.shodan.io
Panderp @pndrp.bsky.social Former HS teacher, photographer, dishwasher, styrofoam fabricator. Current eater and breather. In the post-truth era, memes are power.
Kevin M. Kruse @kevinmkruse.bsky.social Historian: White Flight; New Suburban History; Fog of War; One Nation Under God; Fault Lines; Voter Suppression; Myth America. CAMPAIGN TRAILS: campaign-trails.ghost.io
Michael Whelan @michaelwhelan.bsky.social Fine artist of Imaginative Realism. Retired illustrator of Science Fiction and Fantasy. Winner of 15 Hugo Awards. Inducted into the SF Hall of Fame in 2009.
National Hurricane Center @nhc-atlantic.extwitter.link ⚠️ MIRROR OF twitter.com/NHC_Atlantic
⚠️ If you own the original account and want to claim this, please contact @twttr-mirrors.bsky.social
Stella Sacco @antlervel.vet writer • narrative designer • lesbian • nyc
repped @ HMLA by @ninarichner.bsky.social
Christopher Webb @cwebbonline.com Husband | Dad | Designer | California Native | Lifelong Dem | Strategist
Alabama Reflector @alabamareflector.com The Alabama Reflector is an independent, nonprofit news outlet dedicated to covering state government and politics in the state of Alabama. https://linktr.ee/AlabamaReflector
Liam Nissan™ @theliamnissan.bsky.social What I have is a particular set of skills; skills that make me a nightmare for Nazi dickbags on the internet. I joke, and drive a Nissan Altima 
Asawin Suebsaeng @swin24.bsky.social senior correspondent @ Zeteo / contributing writer @ Rolling Stone / co-author of ‘Sinking in the Swamp’ / adjunct prof. @ University of Cincinnati / volunteer @ St. Vincent de Paul / “a deranged hack” & “terrorist sympathizer,” says the Trump White House
Zeteo @zeteo.com Unfiltered news. Bold opinions. A new media organization from @mehdirhasan.bsky.social
https://zeteo.com
Have I Been Pwned @haveibeenpwned.com Check if you have an email address or password that has been compromised in a data breach. Created and maintained by
@troyhunt.com.
Nick Bednar @nicholasbednar.bsky.social McKnight Land-Grant Professor, Law and Political Science at U. of Minnesota. AdLaw, Admin. Capacity, and the Federal Workforce. Contributing Editor for Lawfare; Nonresident Fellow at Brookings. Signal: Nbednar.46
Opinions are my own; Not UMN.
Rosemary Mosco @rosemarymosco.com Nature comics (Bird and Moon). Books about nature. Talks. Bird facts. rosemarymosco.com She/her.
Mehdi Hasan @mehdirhasan.bsky.social Editor and CEO, Zeteo
Author, ‘Win Every Argument’
British-American
Justin Wolfers @justinwolfers.bsky.social Econ professor at Michigan ● Senior fellow, Brookings ● Intro econ textbook author ● Chief economist & Deputy platypus https://newsletter.platypuseconomics.com ● Find me: https://linktr.ee/justinwolfers- A Alan @alangisaac.bsky.social Economist and sci-fi fan.
Philip Bump @pbump.com Hearst data editor and columnist
Formerly: Washington Post
Book: "The Aftermath: The Last Days of the Baby Boom and the Future of Power in America"
Newsletter: www.ctinsider.com/newsletters/data/
Email: hello@pbump.com
Signal: pbump.11
DEF CON Franklin @projectfranklin.bsky.social A collaboration infusing critical DEF CON research into important policy and national security debates.
Read the DEF CON 33 Hackers' Almanack here: https://harris.uchicago.edu/sites/default/files/the_def_con_33_hackers_almanack.pdf
European Space Agency @esa.int Elevating the future of Europe through space.
Please see our Privacy Notice: https://esa.int/connectwithus
KC Lemson @kclemson.bsky.social Old-ish person who’s been online a long time and likes puns and tech, except when tech pisses me off. Also a mom of 2 adults, ADHD, draws/paints, and recently retired from working at Microsoft. #BlackLivesMatter 🏳️⚧️🏳️🌈
Techdirt @techdirt.com A good old fashioned blog that has been covering tech, law, policy, and democracy for almost three decades now.
Elizabeth Spiers @espiers.bsky.social NYT opinion writer, Slate Money co-host, Dem messaging consultant, former EIC The New York Observer, Dealbreaker founder and Gawker founding editor. Brooklyn via Bama. Rednexican. Striver with no chill.
https://linktr.ee/elizabethspiers
Alice Averlong 🏳️⚧️ @alice.averlong.com Mad Scientist and Necromancer, she/her 🏳️⚧️🏳️🌈
AuADHD creature of elemental internet
collector of keysmashes
used to be called Foone, before the war
Dave Jorgenson @davejorgenson.bsky.social Host of Local News International
Non-partisan public data petition: https://usafacts.org/data-we-depend-on/
Bundle: https://trustfnd.com/davejorgenson/c/local-garbage-fire--vSrCPBRkF8C4LhjLJbKo
Support us: http://LNI.media/membership
Jason Kander @jasonkander.bsky.social Recovering politician. Afghanistan Veteran. Bestselling Author. Podcaster. Founder of Let America Vote & American Rescue Project. Baseball player. Advisor, Veterans Community Project. Diana’s dude. True & Bella’s driver. JasonKander.com
The Intercept @theintercept.com Fearless, adversarial journalism. Join our newsletter to get our best investigative reporting delivered to you: https://theintercept.com/newsletter/
John Bull @garius.bsky.social He/Him. Writer. Historian. Host of "The Untitled History Podcast." Strategy streamer. Tech Strategist. Founding Editor of @lonrec. Orient fan. Business/Writing: business@longformist.co.uk. Agent: @pastpreservers.bsky.social
Henry Farrell @himself.bsky.social Professor of democracy and international affairs. http://www.henryfarrell.net and newsletter at http://www.programmablemutter.com. Underground Empire: How America Weaponized the World Economy (Holt, Penguin). https://www.publishersweekly.com/9781250840554.
ESA Space Science @science.esa.int Keeping you posted on space science activities from the European Space Agency.
Web: http://www.esa.int/science
Privacy Notice: esa.int/connectwithus
#astronomy #space #science
John Hultquist @hultquist.bsky.social Mandiant Intelligence at Google. CYBERWARCON and SLEUTHCON founder. Johns Hopkins professor. Army vet.
FalconFeeds.io @falconfeedsio.bsky.social Democratizing Cyber Security. Threat intelligence platform for Cyber Security professionals and Small / Medium business. Insights from Darkweb and Threat Actors.
Nick Turse @nickturse.bsky.social Senior reporter @theintercept.com
Words: @nytimes.com @harpers.bsky.social @latimes.com @rollingstone.com @yahoonews.com @teenvogue.com @vicenews.bsky.social
Leak documents to me at: nick.turse@theintercept.com
Or on Signal: nickturse.01
George Conway ⚖️🇺🇸 @gtconway.bsky.social Recovering lawyer | Owned by a Pembroke Corgi | Host of Psycho Politics pod and contributor, @TheBulwark.com | Crappy pol | Trying to figure out Substack
substack.com/@gtconway
Lorenzo Franceschi-Bicchierai @lorenzofb.bsky.social Real-time historian of the late cyber capitalist era @TechCrunch, writing about the intersection of hackers, human rights, and spies.
Also writing a book about Hacking Team and the history of government spyware.
☎️ Signal: +1 917 257 1382
Supriya @supriyam.bsky.social Now Google Threat Intelligence & doing fun things at DistrictCon, fmrly GreyNoiseIO and RecordedFuture, SAISHopkins MASCI alumna | ♡s & rts are my own, my employer definitely doesn’t like Taylor Swift that much
Elle Cordova @ellecordova.bsky.social A nerd at large. Writer. Musician.
Sometimes funny. 🏳️🌈
Join my sci-fi book club:
http://patreon.com/ellecordova
nerd humor • space & sci fi • books
Bridgy Fed for the fediverse @ap.brid.gy Bridgy Fed (https://fed.brid.gy/) bot user for the fediverse. To bridge your account to the fediverse, follow this account.
To ask a fediverse user to bridge their account, send their address (eg @user@instance) to this account in a chat message.
More i…
Jack Rhysider @jackrhysider.bsky.social Creator of Darknet Diaries.
Verification: https://twitter.com/JackRhysider/status/1675298532406984707