Sergiu Gatlan @serghei.bsky.social Cybersecurity/tech reporter @BleepingComputer / serghei.ro
Kim Zetter @kimzetter.bsky.social Journalist - cyber/natn'l security. Speaker. Georgetown adjunct prof. Author - COUNTDOWN TO ZERO DAY: Stuxnet and the Launch of the World's First Digital Weapon
Signal: KimZ.42
https://www.zetter-zeroday.com
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.
Carissa VΓ©liz @carissaveliz.bsky.social Associate Professor at the University of Oxford. Author of Prophecy ("Witty and surprising...intelligent" - NYT) and Privacy Is Power (An Economist Book of the Year). TED Speaker. Posts about #privacy, #AIethics, #philosophy, #philtech
Matthew Green @matthewdgreen.bsky.social I teach cryptography at Johns Hopkins. https://blog.cryptographyengineering.com
Ronan Farrow @ronanfarrow.bsky.social Pulitzer-winning investigative journo at New Yorker. Documentaries at HBO. Ex-diplomat. Bad lawyer. Disused phd. Tips: ronan_farrow@newyorker.com.
Daniel Solove @daniel-solove.bsky.social I'm a law professor at GW Law School and an expert on privacy, AI, technology, and data security law. I also write about law, literature, and the humanities. More about me at https://danielsolove.com 
TeachPrivacy @teachprivacy.bsky.social Founded by Prof. @Daniel-Solove.bsky.social, TeachPrivacy provides privacy & data security training. Engaging and interactive 150+ topics: AI, GDPR, HIPAA, PCI, FERPA, phishing and more. Learn more: teachprivacy.com
Amie Stepanovich @amiest.bsky.social Privacy, tech, security
My opinions are mine.
Emanuel Maiberg @emanuelmaiberg.bsky.social Co-founder and journalist at 404media.co
I read every email
Yael Grauer @yaelwrites.com Pulitzer-winning investigative tech reporter. Cybersecurity educator.
ππ»ββοΈ #opentowork
π£ https://yaelwrites.com
π yael@yaelwrites.com
π₯ #alwaysantifascist
βοΈ Support my work: https://ko-fi.com/kofisupporter11745
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
Privacy Guides @privacyguides.org We are an impartial, non-profit media outlet dedicated to consumer tech rights and freedoms. Privacy is a human right, we need to protect it.
π Find our work at https://www.privacyguides.org
Bart Butler @butlerb.art Proton CTO, @proton.me. Current software engineer and executive, former experimental particle physicist and data scientist. Opinions are my own.
Meredith Whittaker @meredithmeredith.bsky.social President of Signal, Chief Advisor to AI Now Institute 
Signal @signal.org Signal is a nonprofit end-to-end encrypted communications app. Privacy isnβt an optional mode, itβs the way Signal works. Every message, every call, every time. https://signal.org/donate/
noyb β European Center for Digital Rights @noyb.eu About us π http://noyb.eu
Become a member π http://noyb.eu/support
#MakePrivacyReality #InvestInPrivacy
dell cameron @dell.bsky.social Senior writer @WIRED.com
Natsec, ADINT, surveillance
Signal: dell.3030
Kashmir Hill @kashhill.bsky.social Journalist, currently at The New York Times. I cover privacy, technology, A.I., and the strange times we live in. Named after the Led Zeppelin song. Author of YOUR FACE BELONGS TO US. (Yes, in my head it will always be All Your Face Are Belong To Us)
Proton @proton.me Choose a better internet where privacy is the default. Start protecting your personal information online with Proton Mail, Proton VPN, Proton Drive, Proton Pass, Proton Wallet, and Lumo: https://proton.me/
Nellie @emilynamo.bsky.social Obsessed with cool design and art β¨
Product designer π», chocolate cookie baker πͺ, occasional traveler π«, π«π·πΈπͺ
Trying this new thing called BlueSky
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 [β¦]
π bridged from β https://defcon.social/@thedarktangent, follow @ap.brid.gy to interact
Electronic Frontier Foundation @eff.org We're the Electronic Frontier Foundation. We're a nonprofit that fights for your privacy and free speech online. Find all of EFF's social media accounts at eff.org/social.
Joseph Menn @joemenn.bsky.social Washington Post alum covering hacking, disinformation and whatβs left of privacy. Author of books on the Cult of the Dead Cow, organized criminal hacking, and Napster. Pulitzer co-finalist 2024. Signal joemenn.01
Dennis @dennisf.bsky.social Gentleman of leisure. Legendary wedding guest. I wrote two of the best books you haven't read. Friend of hackers. https://decipher.sc
Eli Omen @eliomen.bsky.social This space left intentionally blank.
Baptiste Robert @fs0c131y.com CEO @ Predicta Lab | French Security Researcher, Ethical Hacking, OSINT
Charlie Stross @cstross.bsky.social SFF author, triple Hugo award winner (and three times Locus award too), over a million books sold.
Mostly on Mastodon: @cstross@wandering.shop
Blog: https://www.antipope.org/charlie/blog-static/
Distributed Denial of Secrets @ddosecrets.org DDoSecrets is a 501c3 journalist non-profit devoted to publishing and archiving leaks and other data in the public interest.
DDoSecrets.org
LibraryOfLeaks.org
https://en.wikipedia.org/wiki/Distributed_Denial_of_Secrets
DonorBox.org/ddosecrets
Larry W. Cashdollar @larry0.bsky.social Principal Security researcher at Akamai. Exploit Coder. Research covered by Slashdot, ZDNet, arstechnica, MSN + more also a Mitre CVE CNA with 200+ CVEs
A Dwarf Named Warren @oxbloodruffin.bsky.social Hacktivist | Writer | Antibody
Kore @kore.bsky.social Legendary Hacker, Security Hero, Coffee aficionado. I love Sci-Fi, even terrible Sci-Fi. We live in the future, from AI to space travel, we've come so far, yet I still find myself telling my cats about your bullshit.
You may also know me from Clubhouse.
Space Rogue @spacerog.bsky.social I fight for the user. | L0pht Heavy Industries - ATStake - Whacked Mac Archives - Hacker News Network - Cyber Squirrel 1 | Semgrep
emma best π³οΈβππ΄ββ οΈπ³οΈββ§οΈ Mxy @emma.best Journalist and historian of intelligence agencies and hacking. Whistleblower and former hacker. Leaking at @DDoSecrets.org. ΠΓ‘Π±Π°-Π―Π³Γ‘ Antifa. (she/they)
Wife of @brazenqueer.bsky.social
Follow me on Mastodon https://kolektiva.social/@Mxy
P.S. Abolish ICE
obscure - cDc π
@obscure.bsky.social I am angry, I am ill, and I am as ugly as sin. My irritability keeps me alive and kicking. I know the meaning of life, it doesnβt help me a bit.
cDc Cultee
Hackers On Planet Earth π³οΈβππ³οΈββ§οΈ @hope.net HOPE Conference
The New Yorker Hotel
August 14-16, 2026
NY, NY
https://hope.net
Walter Scheirer @wjscheirer.bsky.social Prof. @notredame.bsky.social. IEEE Computer Society PAMI TC Chair Emeritus. Computer Vision Foundation CTO. Artificial Intelligence + Digital Humanities + History of Technology. wjscheirer.com
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).
Dino A. Dai Zovi @ddz.bsky.social I drink amari and I know things. $ddz
LMDDGTFY: https://duckduckgo.com/?q=dino+dai+zovi
NYC/BK
Deth Veggie @dethveggie.bsky.social Herr Doktor Professor Deth Vegetable -- CULT OF THE DEAD COW -- .ooM
Hacker / Archaeologist / Gadabout / Professional Something-or-Other. Anti-fascist and Pro-science. As the old axiom says, reality has a liberal bias.
Nazis need to be punched.
The Official Pulpit of CULT OF THE DEAD COW @cultdeadcow.com www.cultdeadcow.com
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.
Heather Adkins @argv.bsky.social VP Security at Google. Co-Chair Cybersafety Review Board, Co-Author Building Secure and Reliable Systems. r00t. Medieval historian.
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
DilDog π
@dildog.l0pht.com Tech Dysangelist
cDc/hack.xxx/Veilid
Support Veilid! Badge: π
www.veilid.com
Merch at: @hack.xxx
he/him/"hey buddy"
the grugq @thegrugq.bsky.social 
Lea Kissner @leak.bsky.social Security, privacy, respect. Was the Twitter CISO until it was terrible. Now LinkedIn CISO. they/them
Marcia Hofmann @marciahofmann.com Digital rights lawyer and writer. Former Twitter, Electronic Frontier Foundation, Electronic Privacy Information Center, US-UK Fulbright.
Lesley Carhart @hacks4pancakes.com I am eminently qualified to speak from experience about a variety of dumpster fires.
ICS DFIR at Dragos, martial artist, marksman, humanist, level 14 Neutral Good rogue, USAF retired. I post *very serious* things about infosec. Thoughts my own. Enby. π³οΈβπ
Marcus Hutchins @malwaretech.com threads.com/@malwaretech
https://linkedin.com/in/malwaretech
https://marcushutchins.com
evacide @evacide.bsky.social Director of Cybersecurity @eff.org
Co-founder of @stopstalkerware.bsky.social
These opinions are my own, not my employersβ
I did a TED talk once
Ian Coldwater π§π« @lookitup.baby Kubernetes SIG Security Co-Chair, container escape artist, goose in the mainframe. Minneapolis. They/them. Stay punk π΄
MSP feed info: https://bsky.app/profile/amityf.bsky.social/post/3l3frqadlo32h
Uncle Joe @sydseter.com Co-leader OWASP Cornucopia. If you like what we do for open source, visit our code repository https://github.com/OWASP/cornucopia and give us a star β
π Β«Difference is of the essence of humanityΒ» π¦ β John Hume
#appsec #owasp #cornucopia #threatmodeling
omg! ubuntu @omgubuntu.co.uk A blog about Ubuntu β est. 2009! Follow to get news, tips, cool apps, and other content about the world's most popular desktop Linux distro.
json derulo @jsonderulo.bsky.social Follow me if youβre a nerd who likes computers, Linux, baseball or engineering. I follow back
rekdt @rekdt.com // sr cybersec leader megacorp usa
// ex big tech, else
// unethical hacker
// malware de(v)generate
// take bsky sincerely at your own risk
// https://linktr.ee/rekdt
Misty Miller β» @mistymadonna.bsky.social Founder @ Miller Labs, Past: Apple, Microsoft, GE. Author, Product leader, software engineer, plant lover, time traveler ππ»ππ‘π https://linktr.ee/mistymadonna
Dwight Silverman @dwightsilverman.com Retired, getting better at it. 30+ years as a tech guy at the @houstonchronicle.com, but no longer columnizing. Still an aspiring cat lady, passable iPhone photographer. Also at https://mastodon.social/@dsilverman, https://www.threads.net/@dsilverman
Mac84 (Steve) π @mac84.bsky.social Vintage computer enthusiast and archivist. EEP! http://www.mac84.net
nixCraft @cyberciti.biz Enjoy Linux & Unix-like systems, open-source software, and programming/compsci? Into Sysadmin & DevOps? Follow us to make the most of your IT career! Discover new tools and apps daily, plus a dose of humor ‡οΈ
https://www.cyberciti.biz
Amiga Love β€οΈ @amigalove.com Eric K. Hill: Sharing the β€οΈ for the Amiga and all things Commodore. Create and manage design @sporcle by day.
amigalove.com
https://www.youtube.com/@AmigaLove
https://www.threads.net/@amigal0ve
nulleric @eric.scsi.blue Creator of @bluescsi.com, retro enthusiast, software developer.
Follow me on Mastodon too:
https://mastodon.social/@nulleric
https://hachyderm.io/@BlueSCSI
https://www.patreon.com/c/nulleric
Nzyme @nzyme.org www.nzyme.org
EVERY WHISPER FINDS ITS ECHO
Lennart Koopmann @lennart.0x58ed.com Building @nzyme.org // Leichtes Wirkmittel 30+
Houston, TX, USA
KJ5KRF
BlueSCSI Ultra @bluescsi.com BlueSCSI is an open source, open hardware, and open design SCSI solution for vintage computers. Itβs designed to replace a SCSI hard drive inside of your vintage computer or device, but it can also do so much more!
https://bluescsi.com/
Natalie @nataliethenerd.com Self taught maker just trying to make and learn more.
LEDs and Game Boys.
and a bit of gaming ofc
she/her
https://links.nataliethenerd.com/
Kathleen Mandt, PhD @mommascientist.bsky.social Planetary scientist and Yorkie Mom. Exploring the solar system. Opinions are my own.
Ben Hong @bencodezen.io π¨βπ» staff dx engineer / io psychologist / educator hybrid
π productivity / notes / docs nerd
π vue core β πΊ angular team β ποΈ nuxt ambassador
David Buchanan @retr0.id reverse engineering, cryptography, exploits, hardware, file formats, and generally giving computers a hard time
Fedi: @retr0id@retr0.id
Macroblog: https://www.da.vidbuchanan.co.uk/blog/
Charles Hawn @charleshawn66.bsky.social I have loved computers since my Timex Sinclair 1000 in 1982. Then my #C64 that I got for Xmas in 1983, which I still use. #Commodore64 #Commodore #RetroComputing #retrogaming #retrogames
chelβ¨ @chelfaust.bsky.social β§Art (Mostly Pixels)π
β§Wallpaper Packs: https://ko-fi.com/chelfaust/shop β¨
β§INPRNT Shop: https://www.inprnt.com/gallery/chel/ π
β§other stuffs: https://linktr.ee/chelseafaust π
β§game jolt: gamejolt.com/@chelfaust
Randall Munroe @xkcd.com 
Lary Crews Β© @larycrews.bsky.social 79 years old. Retired writer and broadcast journalist with 43 years of computer expertise.
Actor in theater, TV episodes and the movie Insidious (2011).
Content provider for Bluesky.
Living alone in Reno NV. Donβt drink. Donβt gamble. No DMs.
Retro Rudders @steverudland.bsky.social Retro gamer and Atari fan. The Jaguar is the best console ever made, and the Falcon is the best home computer.π
Also own and enjoy Commodore, Acorn and other great retro stuff.
Gary Whitta @garywhitta.bsky.social Writer. Rogue One, The Book of Eli, Star Wars Rebels, Batman, The Walking Dead, Gundog etc #COYS
Emily Hunt @emily.space Postdoc @univie.ac.at working on star clusters & machine learning
Passionate about a better future for science communication via @astrosky.eco
π³οΈβπ π³οΈββ§οΈ (she/her), β
Website: https://emily.space
GitHub: https://github.com/emilyhunt
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.
Phil Plait @philplait.bsky.social Bad Astronomer (formerly @BadAstronomer), SciCommer, Dork. Crash Course Astronomy guy. He/him. Newsletter: badastronomy.beehiiv.com
I'm self-employed so my opinions do in fact represent my company's.
CosmicRami π³οΈβππ³οΈββ§οΈ @rami.spaceaustralia.com Astronomer, driving The Dishπ‘ to study pulsars in my PhD. Also, founded SpaceAustralia.com. Also, love a bit of astrophotography. Also, do everything with my little mate, Max. Also, Ultra-Gay. He/Him.
Mike Brown @plutokiller.com Astronomer, planet hunter, Pluto killer, bear whisperer, finger-wrapped dad. Dangerous secularist. Foot soldier in the War on Cars. He/him.
mikebrown.caltech.edu
Robert McNees @mcnees.bsky.social Physicist and Professor at a university in Chicago. I study black holes, quantum gravity, and cosmology. Rocky Top, Tar Heel. Reposts are spooky action at a distance.
My views, not my employer's.
https://jacobi.luc.edu
https://mcnees.github.io
Nora's Guide to the Galaxy @ngttg.bsky.social I love space!
PhD, Astrophysics
πβ¨β¨π
come explore our galaxy with me
π: https://galaxy.nora-bailey.com/linktree
Dr. Jessie Christiansen @aussiastronomer.bsky.social Caltech/IPAC Planet Hunter | Chief Scientist, NASA Exoplanet Science Institute | @TEDFellow | Science consultant | SHERA PI | My views are not the views of NASA | She/her
sanjana! @sanjanacurtis.bsky.social big fan of stars π»β¨π¦«π³οΈβπ
Sarah Tuttle @niais.bsky.social Disabled, queer, Jewish, (chimerical?) cyborg, load bearing, professor of space stuff, abortion funder, antifascist, wielder of wrenches and too many pens. Building joy with a side of chaos. Team Lightning Thunder Unicorn. Team Peace Rose.
Sarah HΓΆrst @planetdr.bsky.social Professor of planetary science at Johns Hopkins. Titanβs biggest fan. Pomeranian wrangler. Runner. Love many, trust few, always paddle your own canoe. She/her. sarahhorst.com
Planetdr.26 on signal
Raven Baxter, Ph.D. @ravenscimaven.bsky.social Dr. Raven the Science Maven. Molecular biologist, science communicator, entrepreneur.
Jonathan McDowell @planet4589.bsky.social Astrophysicist
Support the work of Jonathan's Space Report:
https://www.gofundme.com/f/fund-jonathans-space-report-library-transition
Chris Lintott @chrislintott.bsky.social Astronomer, writer and zookeeper. Oxford, Gresham and the Zooniverse. The human half of the Dog Stars podcast. New book: 'Our Accidental Universe' (UK/rest of world) and 'Accidental Astronomy (US) now out.
Karen Masters @karenlmasters.bsky.social Prof. of Astronomy and Physics, Haverford College. PI of Galaxy Zoo. Radio astronomer. Check out my latest book βThe Astronomers Libraryβ about books, libraries and astronomy - three of my favourite things. Brit/US.
Mike Boylan-Kolchin @mbkplus.bsky.social Dad, husband, astrophysicist, dog herder. Samuel T. and Fern Yanagisawa Regents Professor in Astronomy at UT Austin. This is a personal account and the views expressed in my posts here are mine. https://mrbk.github.io
Michele Bannister @astrokiwi.bsky.social Planetary astronomer @UCNZ: envisioning worlds from here and elsewhere, in a dark & glorious sky. Rutherford Discovery Fellow & Assoc. Professor. Asteroid (10463). PΔkehΔ; she
Yvette Cendes @whereisyvette.bsky.social Astronomer here! Iβm a Hungarian-American radio astronomer, alias /r/Andromeda321 on Reddit. Assistant professor at the University of Oregon 
Nicole Gugliucci @noisyastronomer.com Physics professor, astronomer, education researcher, and scicommer who loves dogs, speculative fiction, weights, and good trouble. NH, US. She/They.
Opinions are mine alone. RTβ endorsement. Posts are ephemeral.
I swear a lot.
noisyastronomer.com
Astrobites @astrobites.bsky.social Digestible summaries of the latest astronomy research. Written by an international team of grad students for undergrads! Supported by the @AAS_Office. #scicomm
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)
Saavik βImpaired Ankleβ Ford @saavikford.bsky.social CUNY Astro prof, AMNH research assoc, runner, astronomer, crafter, camper, gardener, mom, all opinions completely my own (she/her)