Space Rogue @spacerog.bsky.social I fight for the user. | L0pht Heavy Industries - ATStake - Whacked Mac Archives - Hacker News Network - Cyber Squirrel 1 | Semgrep
Myrtus @malwareindepth.com Malware Researcher | Developer | @Cryptolaemus1
| @NVIDIA
Will happily talk about malware with anyone.
jduck @jduck.me Continuously learning about computer security through research and development.
Ewan Mellor @ewanmellor.org Research engineer at XBOW.
Brendan Dolan-Gavitt @moyix.net AI researcher at XBOW. Security, RE, ML. PGP http://keybase.io/moyix/
Gadi Evron @gadievron.bsky.social CEO & Co-Founder at Knostic, CISO-in-Residence for AI at Cloud Security Alliance. Former Founder @Cymmetria (acquired). Host at Prompt||GTFO. Threat hunter, scifi geek, dance teacher. Opinions my own.
Chess Puzzles @chesspuzzles.bsky.social Chess puzzles for your practice and enjoyment. Automated by @evanbaldonado.com.
Jeff Moss @thedarktangent.defcon.social.ap.brid.gy Founder of DEF CON & Black Hat. Maintainer of infocon.org.
Member of the UK Gov Cybersecurity Advisory Board & The Council on Foreign Relations.
Working to […]
🌉 bridged from ⁂ https://defcon.social/@thedarktangent, follow @ap.brid.gy to interact
Guillem Balagué @guillem-balague.bsky.social Football author, journalist, storyteller, YouTuber, club chairman. CBS Sports, BBC 5Live, LaLiga TV, Biggleswade United.
📧 George@blueprintx.co.uk
📚 david@davidluxtonassociates.co.uk
IG: @guillembalague
FotMob @fotmob.com The essential football app.
Download:
https://click.fotmob.com/974672417/BlueSky
Nature Machine Intelligence @natmachintell.nature.com A Nature Research journal on AI, robotics and machine learning
@natureportfolio.bsky.social
nature.com/natmachintell
Nature Computational Science @natcomputsci.nature.com A @natureportfolio.nature.com journal on mathematical models and computational methods/tools that help advance science in multiple disciplines. https://www.nature.com/natcomputsci
La Liga Stats @la-liga-stats.bsky.social 
shenetworks @shenet.works Networking • Hacking • Hacking Networks (she/her)
shenet.works
Rob Joyce @rgblights.bsky.social Cyber guy. Former NSA cybersecurity director and chief of TAO. Lover of memes. Warning - occasional outrageous Christmas light content.
GreyNoise @greynoise.io GreyNoise analyzes Internet background noise. Use GreyNoise to remove pointless security alerts, find compromised devices, or identify emerging threats.
stacksmashing @stacksmashing.bsky.social Security researcher with a focus on hardware & firmware. I occasionally publish stuff on YouTube. Co-founder of
hextree.io. Contact: contact@stacksmashing.net
The Hacker's Choice (1995) @hackerschoice.bsky.social Security Research Group.
OpenSecurityTraining2 @opensectraining.bsky.social 501(c)(3) Nonprofit providing Open Source and Open Access computer security training material. #OST2 re-launched July 2021!
Aaron Portnoy @aaronportnoy.bsky.social Hacker-in-Residence @ Dartmouth College; Program Director, Applied Research @ IBM
cje @cje.io founder @bugcrowd && co-founder @disclose_io || hacker, entrepreneur, executive, advisor || عصا موسى || #w00w00
Piotr Bazydło @chudypb.bsky.social Principal Vulnerability Researcher at the watchTowr | Previously: @thezdi | https://chudypb.github.io
International Intrigue @internationalintrigue.io Your favorite foreign affairs newsletter and the only one written by former diplomats. Also a bunch of memes about the absurd world of diplomacy. Sign up for the newsletter here 👉 https://tinyurl.com/e94tvu9d
override @override.bsky.social IT Generalist | Cybersecurity🔒 | Web Exploitation | Reverse Engineering
XBOW @xbow.com Bringing AI to offensive security by autonomously finding and exploiting web vulnerabilities. https://xbow.com/
Natalie Silvanovich @natashenka.bsky.social Google Project Zero
Ryan Naraine @ryanaraine.bsky.social Three Buddy Problem
https://securityconversations.com
Luta Security @lutasecurity.bsky.social #1 process planning partners for vuln disclosure & bug bounties. More bugs won't help you fix a broken process! Stop premature bountification. More info: LutaSecurity.com
Contact Us: Info@LutaSecurity.com & Press@LutaSecurity.com 
Paged Out! @pagedout.bsky.social Paged Out! is a free magazine about programming, hacking, security hacking, retro computers, modern computers, electronics, demoscene, and other similar topics. Always accepting submissions of one-page articles.
Xeno Kovah @xenokovah.bsky.social Interested in reverse engineering, firmware, bluetooth, trusted computing, and training. Founder of OpenSecurityTraining2 https://ost2.fyi
Michael Moore @michaelmoore.ai #AI, #Cybersecurity, and other technology topics. Trying to make the world a better place. Personal account; my views only. Work: https://s1.ai/purple at @sentinelone.com
UK_Daniel_Card @mrr3b00t.bsky.social 
Alex Ionescu @ionescu.bsky.social Windows Internals Author, Developer, Reverse Engineer, Security Researcher, Speaker, Trainer, and most recently Nation State Hacker.
Core OS Platform Developer at Apple, Hyper-V Vendor at Microsoft, Chief Architect at CrowdStrike and now Director at CSE.
The Cyber (in)Security Hub @cybersecurity.bsky.social Former NSA hacker; Cyber Expert; Current CISO, TV Cyber Expert & Keynote Speaker
Twitch.tv/cyber_insecurity
topmate.io/neal_bridges
https://linktr.ee/cyber_insecurity
#cybersecurity #redteam #hacking #blueteam #securityoperations #ciso
Best of r/cybersecurity @cybersecurity.page Automatically summarizes the hottest posts on r/cybersecurity so you can stay up-to-date wherever you are. Uses open source LLMs.
Operated by @tweedge.net
Bot code @ https://github.com/r-cybersecurity/best-of-bot
ϻг_ϻε @steven.srcincite.io Hermetic Initiate. Exploring conscience and the nature of reality. I also hack things.
David Litchfield @litchfield.bsky.social Dad, Powerlifter, Security at Apple, Photographer
Lea Kissner @leak.bsky.social Security, privacy, respect. Was the Twitter CISO until it was terrible. Now LinkedIn CISO. they/them
John Hultquist @hultquist.bsky.social Mandiant Intelligence at Google. CYBERWARCON and SLEUTHCON founder. Johns Hopkins professor. Army vet.
Jordan Wiens @psifertex.bsky.social Binary Ninja dev, Cuber, EUC rider.
Binary Ninja @binary.ninja https://binary.ninja/
Made with ❤️ by https://vector35.com/
Ron Bowes @iagox86.bsky.social Staff Product Detection Engineer @ Censys. https://skullsecurity.org
Mostly post about professional stuff, maybe some improv stuff and maybe even magic some day. Seattle-based (originally Canadian), queer, cybersecurity nerd.
(He/him)
Nathan Hamiel @nhamiel.bsky.social Senior Director of Research. Black Hat Review Board Member (AI, ML, and DS track lead) and International public speaker. I focus on emerging technologies and risks at the intersection of humanity and tech. Hype Critic. My writing: https://perilous.tech
Stefano Zanero @raistolo.bsky.social Tinkerer, security geek, recovering entrepreneur, full professor at www.polimi.it, frequent flyer, private pilot, and generic pundit. He/Him 🏳️🌈
For aviation follow me on Instagram, same id!
chompie @chompie.rip hacker, poster, weird machine mechanic
https://chompie.rip
Łukasz @maldr0id.bsky.social Military-grade reverse engineer @ Google, working on Android malware
Got mistaken for a member of Project Zero once.
Everything here is my own opinion
he/him ✨🌈🦄
Jenna McLaughlin @jennamclaughlin.bsky.social NPR Correspondent covering technology and national security.
Send me a tip: Text JennaMcLaughlin.54 on Signal from personal (nonwork) devices.
Michael Skelton @codingo.com VP of Security Operations at Bugcrowd, Security Content @ http://youtube.com/codingo, tools @ http://github.com/codingo. SecTalks and BSides Gold Coast co-organizer - He/Him
Gynvael Coldwind @gynvael.bsky.social Security researcher/programmer ⁂ Managing director @ HexArcana ⁂ @DragonSectorCTF founder ⁂ he/him
Tib3rius @tib3rius.bsky.social Web App (mostly) Hacker | Cybersecurity Educator | Content Creator | Ex-Brit | Links: http://linktr.ee/tib3rius (he/him) 🇺🇸 A mostly unserious person. @therealc3rul34n.bsky.social is bae 🥰
auonsson @auonsson.bsky.social Every system is a sensor if you hold it right.
Main arena, Baltics. 🇸🇪
mastodon.world/@auonsson , x.com/auonsson backup 🇸🇪
Meduza in English @meduza.io Breaking news in Russia, investigative reports, interviews, and opinions. In English. You’re welcome. https://meduza.io/en
AnubisSec @anubissec.bsky.social Logging into things I shouldn't.
Red Team Lead @ NVIDIA
@mikko @mikko.bsky.social Fighting malicious use of technology.
Azadeh Akbari @azadehakbari.bsky.social Prof. Critical Data & Technology Studies @ Goethe University Frankfurt / digital authoritarianism, surveillance, smart cities/
Co-Director @Survstudiesnet.bsky.social /
Founder @surveillancemw.bsky.social
*personal account*
Matt Johansen @mattjay.com Friendly neighborhood cybersecurity guy | expect infosec news, appsec, cloud, dfir. | Long Island elder emo in ATX.
vulnu.com <- sign up for my weekly cybersecurity newsletter
Meredith Whittaker @meredithmeredith.bsky.social President of Signal, Chief Advisor to AI Now Institute 
Alex Stamos @stamos.org CPO/CSO of Corridor.dev, teaching at Stanford.
Thomas Rid @ridt.bsky.social @ridt on X
Olga Belogolova 🌻 @olgs7.bsky.social Director, Emerging Tech Initiative at SAIS; Professor at the Alperovitch Institute on disinformation/influence ops. SAIS & BU alum. Former IO Policy Lead at Meta, former journalist at Atlantic Media.
Craig Silverman @craigsilverman.bsky.social Cofounder of https://indicator.media, your essential guide to understanding and investigating digital deception. Sign up for free! Investigative journalist and OSINT trainer.
https://craigsilverman.ca
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
John Scott-Railton @jsrailton.bsky.social Chasing digital badness. Senior Researcher at Citizen Lab, but words here are mine.
Shelby Grossman @shelbygrossman.bsky.social Professor of Practice at the Howard Center for Investigative Journalism at the Walter Cronkite School of Journalism and Mass Communication at Arizona State University
Emma Beals @ejbeals.bsky.social Constructive disrupter. Working on: the crisis in peace/conflict, disrupting aid, democracy/human rights, systems change and the mess we’re in. Former: Syria. Do: research, analysis, policy, piloting. Affiliations: EIP, MEI. Opinions my own. EmmaBeals.com
Katherine Denkinson @kdenkwrites.com UK-based Investigative Journalist & OSINT bod.
Author of Incel:The Weaponisation of Misogyny (out now with Aurora Metro Books)
Email: katherinedenkinson@protonmail.com
Website: www.KDenkWrites.com
Noura Aljizawi @noura.bsky.social Senior Researcher @Citizenlab.ca , UofT
Exploring the dark dimensions of digital power: authoritarianism, transnational repression & disinformation.
Tessa Knight @awildknight.bsky.social Researching disinformation for DFRLab | She/her | DMs usually open | tessaknight132@protonmail.com
EU DisinfoLab @disinfo.eu Independent EU-focused NGO whose mission is to raise awareness on #disinformation & contribute to a better information landscape.
Matt DeVerna @matthewdeverna.com Postdoc with Stanford's Tech Impact and Policy Center
(@techimpactpolicy.bsky.social). Past: Indiana University / Observatory on Social Media.
Societal impacts of AI within the information ecosystem.
🧨 matthewdeverna.com
Andrew Chadwick @andrewchadwick.com Prof, Media and Communication, Loughborough University. Ed. Oxford Studies in Digital Politics. Been dubbed “that hybrid media guy.” More active on LinkedIn these days.
andrewchadwick.com
Occasional posts on music.
Dr. Ashley Mattheis @draamattheis.bsky.social Lecturer in Digital Media and Culture at the University of Manchester. Researching gender, racism, and digital cultures of far-right, white supremacists, and male supremacist extremism. Views my own.
Mike Cowburn @mikecowburn.bsky.social Research Fellow, @demolaw.bsky.social, Zeppelin Universität
Intra-Party Politics | Candidate Selection | Legislative Politics | PolComm | Primaries
Author: Party Transformation in Congressional Primaries https://tinyurl.com/4w6tfvjx
www.mikecowburn.com
Alan Jagolinzer @jagolinzer.bsky.social Professor of Financial Accounting, Vice Dean of Programmes, co-Director, Cambridge Centre for Financial Reporting & Accountability, Univ of Cambridge
Founder & Chair, Cambridge Disinformation Summit
Research: IFRS, GAAP, governance, information risks
Yoel Roth @yoyoel.com Internet sanitation enthusiast and full-time corgi wrangler.
Jay Rosen @jayrosen.bsky.social Let's see... 39 years teaching journalism at NYU. A critic who tries to be useful. PressThink: the name of my subject and my site. My book: "What Are Journalists For?" (1999, Yale University Press)
Justin Hendrix @justinhendrix.bsky.social Concerned with tech, media and democracy. CEO & Editor at Tech Policy Press. Research & Adjunct Professor at NYU Tandon School of Engineering. Opinions mine.
Thierry Breton @thierrybreton.bsky.social Entrepreneur. Teacher. Policy Maker 🇫🇷🇪🇺
Marietje Schaake @marietjeschaake.bsky.social Proud European 🇪🇺 Fellow at Stanford 👩🏼💻 column in FT 🗞️Member of European Parliament 2009-2019 📕Author: The Tech Coup
Sander van der Linden @profsanderlinden.bsky.social Professor of Social Psychology in Society at the University of Cambridge and Author of FOOLPROOF: Why We Fall for Misinformation and How to Build Immunity (2023) + The Psychology of Misinformation (2024). Bad News Game.
www.sandervanderlinden.com
Eliot Higgins @eliothiggins.bsky.social Founder and creative director of Bellingcat and director of Bellingcat Productions BV. Author of We Are Bellingcat.
Giancarlo Fiorella @giancarlofiorella.bsky.social Director of Research and Training | Bellingcat
Assistant Professor | Utrecht University
PhD, Criminology & Sociolegal Studies | University of Toronto
www.giancarlofiorella.com
Opinions my own
David Rand @dgrand.bsky.social Prof at Cornell studying how human-AI dialogues can correct inaccurate beliefs, why people share falsehoods, and ways to reduce political polarization and promote cooperation. Computational social science + cognitive psychology.
https://www.DaveRand.org/
Gordon Pennycook @gordpennycook.bsky.social Associate Professor, Psychology @cornelluniversity.bsky.social. Researching thinking & reasoning, misinformation, social media, AI, belief, metacognition, B.S., and various other keywords. 🇨🇦
https://gordonpennycook.com/
Lauren Feldman @laurenfeldman.bsky.social Professor of Journalism & Media Studies @ Rutgers. I study climate change communication, partisan media and misinformation, and comedy and social change.
https://comminfo.rutgers.edu/feldman-lauren
Nora Benavidez @attorneynora.bsky.social Civil Rights & Free Speech Attorney. Disinformation & AI Expert. Nonfiction Author.
Now: Senior Counsel @freepress | 2026 Bellagio Residency Fellow @rockefeller (writing a book) | Board of Directors @benandjerrys
www.norabenavidez.com
Philipp Lorenz-Spreen @lorenzspreen.eurosky.social Heading the Computational Social Science group within SynoSys & ifK at TU Dresden, where we study how online information environments impact public discourse and develop alternatives that benefit democracy. Views are my own. https://synosys.github.io/
Bill McCarthy @billmccarthy.bsky.social Senior digital investigation journalist covering online mis- and disinformation for AFP • Formerly with PolitiFact and the Raleigh News & Observer • Duke alum • “The internet folks” - Stephen Colbert
https://factcheck.afp.com/Bill-MCCARTHY
Joe Pierre, MD @psychunseen.bsky.social Academic psychiatrist at UCSF and author of the Psych Unseen blog at Psychology Today and the book False: How Mistrust, Disinformation, and Motivated Reasoning Make Us Believe Things That Aren't True (Oxford University Press, 2025) drjoepierre.com
Claire Wardle @cward1e.bsky.social Associate Professor, Dept of Communication, Cornell University. Bit partial to information ecosystems.
Hossein Derakhshan (حسین درخشان) @h0d3r.bsky.social PhDing on listening and mass personalization @MediaLSE @MediaLab @Shorensteinctr+ Iran Evin prison (6yrs). co-wrote ‘Information Disorder’, wrote 'Web We Have to Save'.
Anuj Chopra @anujchopra.bsky.social Disinformation correspondent, AFP. New America Fellow. Based in Washington D.C. Past lives: New York, Riyadh, Kabul, Hong Kong, Pune. Ex-Knight Bagehot and Dart Center Ochberg Fellow at Columbia University. Scoops, food recs? anuj.chopra@afp.com
Bill Marczak @billmarczak.org senior researcher at @citizenlab.ca
Women's Chess Coverage @onthequeenside.bsky.social Covering the top #womeninchess players in the world!
Same as Women's Chess Coverage on Twitter! Still mainly on Twitter (and lichess blogs!). One post per day here for now.
Jennifer Shahade @jenshahade.bsky.social 3x National Chess Champ and PokerStars Pro
Newsletter: https://jenshahade.substack.com/
New book: https://geni.us/ThinkingSideways
How to Beat your Mom at chess videos: https://www.youtube.com/@JenShahade/shorts
Peter Svidler @polborta.bsky.social i have the best dog. chessplayer, cricket tragic, reader of books
Mr Dodgy from chess @mrdodgy.bsky.social it's me I'm free
Malware Unicorn @malwareunicorn.bsky.social @Straiker. Ex-Microsoft. Ex-Meta RedTeam, Ex-Endgame, Ex Fireeye. malwareunicorn.org
Adam Savage @asavage.bsky.social Maker. Science Communicator. Connector.