Sergio ‘shadown’ Alvarez @searchio.bsky.social Lead Cyber Sec Engineer @ GE Vernova | Berlin. 25+ yrs RE, vuln dev, exploits (embedded/defense). Ex: n.runs AG, Recurity Labs, COSEINC. AI sec researcher since 2017. Inventor (EP3726776A1). Author on AI attacks.
Space Telescope Science Institute @stsci.edu STScI is the Science Operations Center for Webb, Hubble, and Roman space telescopes, & Mission Operations Center for Webb. We help humanity explore the universe with advanced space telescopes and data archive. news.stsci.edu
LIGO Scientific Collaboration @ligo.org Official account of the LIGO Scientific Collaboration. We detect gravitational waves!
Email: questions@ligo.org
Pedram Amini @pedramamini.com Repeat founder, investor, hacker. Advisor for Exodus Intelligence and Mozilla's 0din.ai. Previously founded the Zero Day Initiative and OpenRCE. NYC born, Austin transplant.
Pwnallthethings @pwnallthethings.bsky.social Just thinking out loud.
Things @things.app We make Things, the award-winning to-do app for Mac, iPad, iPhone, Watch & Vision.
things.app
ESO @eso.org The European Southern Observatory designs, builds & operates world-class observatories on the ground for the benefit of society. More info on eso.org
Julien Cornebise @jcornebise.bsky.social Hon. Associate Professor UCL CS | Ex-Dir. Research AI for Good & Head of Element AI London Office | Ex-DeepMind. He/Him | https://cornebise.com
Project Jupyter @jupyter.org Multi-language interactive computing environments. Jupyter Notebook, JupyterLab and related projects – @mentions not monitored. Open issues on GitHub.
Matt Levine @matt-levine.bsky.social the money stuff guy
Pedro Duarte @ped.ro Hype @raycast.com • Co-creator Radix, Stitches • Prev Rainbow
https://ped.ro
@hugobowne.bsky.social @hugobowne.bsky.social 
Poorly Drawn Lines @poorlydrawnlines.bsky.social Comics by Reza Farazmand (official account!)
Rodney Brooks @rodneyabrooks.bsky.social Primarily Robotics and AI. Distinguishing hype-notism from plausibility one press release at a time. rodneybrooks.com/blog people.csail.mit.edu/brooks
Bear - Markdown Notes @bearnotesapp.bsky.social Beautiful, powerfully simple Markdown notes app to help you write naturally anytime, anywhere. 🐻❤️📝
Available on Mac, iPhone & iPad.
🏠 Website: https://bear.app
🔗 FAQ & Support: https://bear.app/faq/
💬 Community: https://community.bear.app
Vitaly Kamluk @vkamluk.bsky.social Cybersecurity Researcher
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
Christopher Berry @cplberry.bsky.social Gravitational-wave astrophysicist. University of Glasgow Senior Lecturer. Science, education, LEGO & cake. May contain traces of nuts
🐘 https://mastodon.online/@cplberry
📚 https://cplberry.com
Jaime Blasco @jaimeblascob.bsky.social Cofounder and CTO at Nudge Security. Ex-AlienVault. Talking about AI, Threat Intel, SaaS security
Yann LeCun @yann-lecun.bsky.social Professor a NYU; Executive Chairman at AMI Labs..
Researcher in AI, Machine Learning, Robotics, etc.
ACM Turing Award Laureate.
http://yann.lecun.com
Loic Guelorget @lguelorget.bsky.social Security Engineering Leader | 'Hope is not a strategy'.
Alexandre Andorra @alex-andorra.bsky.social Causal Inference & Probabilistic AI
Senior Data Scientist @ Meta
🎙️ Creator @learnbayesstats.com podcast
Robert (Bob) Kubinec @rmkubinec.bsky.social Political scientist @ Texas A&M Bush School of Government. Interests: business politics/corruption, Middle East, measurement, Bayesian statistics
The Bayesian Hitman: https://a.co/d/e4QmtKo
Website: www.robertkubinec.com
The Banshee Queen 👑 @cyberoverdrive.bsky.social #threatintel @Recorded Future | Formerly @PwC GTI | Malware & infrastructure analysis with a side of cyberpunk. 🌃🌌 She/her, support 🏳️🌈🏳️⚧️✨
visi stark @invisig0th.bsky.social Founder of The Vertex Project (@vtxproject)
Father of the #APT1 Report @Mandiant.
Inventor of #synapse, #vivisect, UNCs, imphash, ...
DEFCON CTF Champion, Founder of Kenshoto
Ole Peters @opeters.bsky.social Physicist, Ergodicity Economics
http://ergodicityeconomics.com
Marina Aísa @marinaaisa.com I'm a software engineer at Apple , focused on making web products more accessible and enjoyable 👩🏼💻
🏳️🌈 Opinions are my own
📍 London, UK
https://marinaaisa.com/
ArviZ @arviz.bsky.social Official account for the ArviZ project. We provide #FOSS tools for exploratory analysis of #Bayesian models in #Python and #JuliaLang
www.arviz.org
Osvaldo Martin @aloctavodia.bsky.social Research Fellow at Aalto University. Open source contributor #ArviZ, #Bambi, #Kulprit, #PreliZ, #PyMC, #PyMC-BART.
Support me at https://ko-fi.com/aloctavodia
https://bayes.club/@aloctavodia- S Andrew Gelman et al. @statmodeling.bsky.social Automatically tweets new posts from http://statmodeling.stat.columbia.edu
Please respond in the comment section of the blog.
Old posts spool at https://twitter.com/StatRetro
cephalopod @macrocephalopod.bsky.social you may know me from such social platforms as: twitter
Zeke Hausfather @zekehausfather.com "A tireless chronicler and commentator on all things climate" -NYTimes.
Climate research lead @stripe, writer @CarbonBrief, scientist @BerkeleyEarth, IPCC AR7 lead author.
Website: https://zekehausfather.com/
Substack: https://www.theclimatebrink.com/
Frank Harrell @f2harrell.bsky.social Professor of Biostatistics
Vanderbilt University School of Medicine
Consultant, clinical trials/drug development
https://hbiostat.org https://fharrell.com
Raycast @raycast.com Your shortcut to everything.
✨ Pro → https://raycast.com/pro
🏪 Store → https://raycast.com/store
👥 Community → https://raycast.com/community
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
PIVOTcon @pivotcon.bsky.social Threat Research Conference in Malaga, Spain, 6-8 May 2026
#StayTuned #ComingSoon #PIVOTcon #PIVOTcon26
https://pivotcon.org
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
Michael Kofman @michaelkofman.bsky.social Senior Fellow, Carnegie Endowment. Defense analysis with a focus on the Russian and Ukrainian militaries.
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.
Demetri @phdemetri.bsky.social Whoa, everything's computer!
Catalin Cimpanu @campuscodi.risky.biz ☆ Cybersecurity reporter
★ Newsletters at Risky Business
#infosec #cybersecurity
https://risky.biz
@halvarflake.bsky.social @halvarflake.bsky.social 
Dmitri Alperovitch @dmitri.silverado.org Geopolitics, Russia, China, Cyber
Chairman @silverado.org
Author of WorldOnTheBrink.com
Host GeopoliticsDecanted.com podcast
Founder Alperovitch Institute for Cybersecurity Studies at Johns Hopkins SAIS
Co-Founder CrowdStrike
@DAlperovitch elsewhere
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.
Mark Dowd @mdowd.bsky.social Internet hacker
Thomas Rid @ridt.bsky.social @ridt on X
Rob Joyce @rgblights.bsky.social Cyber guy. Former NSA cybersecurity director and chief of TAO. Lover of memes. Warning - occasional outrageous Christmas light content.
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
Tom Uren @tom.risky.biz Author of the Seriously Risky Business cyber security newsletter
Bluesky @bsky.app official Bluesky account (check username👆)
Bugs, feature requests, feedback: support@bsky.app
Patrick Gray @patrick.risky.biz https://risky.biz/