Matt Blaze @mattblaze.org Scientist, safecracker, etc. McDevitt Professor of Computer Science and Law at Georgetown. So-called expert on election security and a few other things. Slow photographer. RF nerd. Occasionally blogs at https://mattblaze.org/blog
Louis Gray @louisgray.bsky.social 15 year Googler: Data Cloud Marketing. Dad to 3 teenagers. Baseball, puppies, analytics. In that order.
Jason Chan @chanj.bsky.social Cat dad, recovering ultrarunner, reader, volunteer. Retired from cybersecurity. Marin County, CA.
Seth Vargo @sethvargo.com Distinguished engineer at LinkedIn, formerly Google, HashiCorp, Chef, CustomInk, and various startups. 🏳️🌈 with @robotj101.bsky.social.
Yael Grauer @yaelwrites.com Pulitzer-winning investigative tech reporter. Looking for TPM roles supporting cybersecurity teams. 💕
📣 https://yaelwrites.com
💌 yael@yaelwrites.com
💥 #alwaysantifascist
☕️ Support my work: https://ko-fi.com/kofisupporter11745
Eliot Higgins @eliothiggins.bsky.social Founder and creative director of Bellingcat and director of Bellingcat Productions BV. Author of We Are Bellingcat.
Maarten Van Horenbeeck @maartenvhb.bsky.social Former CSO at Adobe, Zendesk. Cybersecurity and public policy.
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.
Jason Geffner @geffner.bsky.social Senior Principal Engineer for AI & Product Security at Workday. Formerly at Google, Microsoft, and Amazon.
Matt Linton @amuse.bsky.social @0xMatt on Twitter
Rescue, DFIR, Cello and Birds
@peterludemann.bsky.social @peterludemann.bsky.social Retired from software {Google, Yahoo, start-ups, IBM, BNR}; sometime bicyclist, sailor, & non-gardener; easily amused by PL design and type inferencing.
Los Altos, California (previously Tokyo, Osaka, Toronto, Ottawa, Victoria, Vancouver)
Brandon Downey @bdowney.bsky.social Computational demonologist (infosec?), photog, math enthusiast, periodic augmented reality warlord. Peculiar but refined tastes in triangles, cinema, and cocktails. Azad certified.
Signal: bdowney.23
Opinions are my own and not those of my employer
Kai Ryssdal @kairyssdal.bsky.social Dad, husband. IPAs. Soccer referee, trail runner, mountain biker. Veteran.
Bluesky USGS Quakebot @usgs-quakebot.bsky.social This bot pulls data from the USGS's real-time earthquake feed and posts a summary of any event in the lower 48 states having a preliminary magnitude 3.5+
made with 🫶🏼 by @DataDrivenMD.social
**NOT AFFILIATED WITH USGS**
Techdirt @techdirt.com A good old fashioned blog that has been covering tech, law, policy, and democracy for almost three decades now.
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
Naomi Alderman @naomialderman.bsky.social I write novels (eg The Power, new novel is The Future), I make games (eg Zombies, Run!), unorthodox Jew. not-getting-into-pointless-arguments-on-the-internet is an act of revolution. However complex you think things are, they're more complex than that
derek guy @dieworkwear.bsky.social Menswear writer. Editor at Put This On. Words at The New York Times, The Washington Post, The Financial Times, Esquire, and Mr. Porter.
If you have a style question, search:
https://dieworkwear.com/ | https://putthison.com/start-here/
Next door in Silicon Valley @nextdoorsv.bsky.social Learn more about what your *real* neighbors are thinking in Silicon Valley! Comedy. Parody. Not official/affiliated with, or sponsored by anyone.
Please support my GoFundMe to help me pay for parking at Valley Fair
Joseph Menn @joemenn.bsky.social Washington Post alum covering hacking, disinformation and what’s 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
sarah jeong @sarahjeong.bsky.social journalist and lawyer based in Portland, OR.
Kendra Albert @kendraserra.bsky.social They/them. Public interest tech and media lawyer at albertsellars.law, recovering academic. 💜 Philly, video games, and plants.
More at kendraalbert.com.
Kelly @justkelly.bsky.social ex-technologist, middle-aged 3L at cornell law, yakuza/rgg fangirl, she/her
WeRateDogs @weratedogs.com Your Only Source For Professional Dog Ratings
nonprofit: @15outof10.org ❤️🩹
links.weratedogs.com
Micro SF/F by O. Westin @microsff.com Very short science fiction/fantasy stories by O. Westin.
Please repost any you like.
Patreon: https://patreon.com/microsff
Ko-Fi: https://ko-fi.com/microsff
Books: https://microsff.com/books
- B @bstoler.bsky.social @bstoler.bsky.social
Patrick Gray @patrick.risky.biz https://risky.biz/
Jimmy Zelinskie @jimmy.zelinskie.com Cofounded @authzed.com. Exited Red Hat, CoreOS.
I build distributed systems, databases, authorization systems, containers, and businesses. NYC transplant in SF.
Randall Munroe @xkcd.com 
Nicole Wong @nicolewong.bsky.social Forever OOO. Formerly US Deputy CTO, also previously at Google, Twitter, Perkins Coie. Now board member for Mozilla Foundation, Tech Talent Project, CalMatters & Open Technology Fund. Currently studying words.
The Associated Press @apnews.com Advancing the power of facts, globally 🌎
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
John Scalzi @scalzi.com I enjoy pie.
Social Media FAQ: https://whatever.scalzi.com/2025/04/16/the-official-john-scalzi-social-media-faq/
Ask a Manager @askamanager.org Creator of Ask a Manager – home to all your questions about lunch-stealing bosses, coworkers who won't stop hugging you, and how much you can drink at work.
Kate Starbird @katestarbird.bsky.social Researcher of online rumors & disinformation. Former basketball player. Prof at University of Washington, HCDE. Co-founder of the UW Center for an Informed Public. Personal account: Views may not reflect those of my employer.
Emma @hi-im-emma.bsky.social 
Steve Weis @handle.invalid Security Engineer interested in cryptography, information security, & privacy engineering.
omkhar @omkhar.net Security guy.
Website: https://omkhar.net
Scholarship: https://skscholarship.com
Twitter/X: https://x.com/omkhar
Mastodon: https://infosec.exchange/@Omkhar
Bluesky: https://bsky.app/profile/omkhar.net
LinkedIn: https://linkedin.com/in/omkhar
Chris Colohan @colohan.com 
Blair Braverman @blairbraverman.bsky.social writer and dogsledder, host of story podcast “what to carry, what to burn”
U.S. Consumer Product Safety Commission @cpsc.gov Your U.S. Consumer Product Safety Commission. Product safety info, data, and recalls. Standing for safety since 1972. Official account of the USCPSC. HQ: Bethesda, MD.
Subscribe for recall emails on CPSC.gov.
Report unsafe products on SaferProducts.gov
bubbe yaga @ellearmageddon.bsky.social i’m not a girl, not interested in being polite or cisgender. jewish, anarchist, still punk, in my daddy era.
this is not a place of honor.
no highly esteemed thoughts are skeeted here.
ngl.link/armageddon1312
don’t explain, you’ll only make it worse
Matthew Green @matthewdgreen.bsky.social I teach cryptography at Johns Hopkins. https://blog.cryptographyengineering.com
Ed Felten @edfelten.bsky.social Co-founder and Chief Scientist at Offchain Labs. Emeritus Professor of Computer Science & Public Affairs at Princeton. Formerly: Deputy US CTO at White House. Currently: husband, dad, concerned American.
Sheera Frenkel @sheeraf.bsky.social NYTimes reporter and co-author of NYT bestseller “An Ugly Truth” with Cecilia Kang.
Tell me a story. (Ideally through a non-work device using Signal. Find me via my username sheera.11)
Ben Adida @benadida.com I lead an incredible team building voting machines everyone can trust. https://voting.works
Optimistic about judicious uses of tech. Systems, security, privacy, cryptography, and the web are my jam.
Previously: Clever, Square, Mozilla, Harvard, MIT.
Justin Schuh @justinschuh.com Back in Chicago as a stay-at-home dad and small business owner. Expect some infosec/privacy/safety, 3D printing, and politics.
infosec.exchange/@jschuh
Defunct: twitter.com/justinschuh
jamelle @jamellebouie.net The real jbouie. Columnist for the New York Times Opinion section. Co-host of the Unclear and Present Danger podcast. b-boy-bouiebaisse on TikTok. jbouienyt on Twitch. National program director of the CHUM Group.
Send me your mutual aid requests.
Liz Fong-Jones (方禮真) @lizthegrey.com Technical Fellow, @honeycomb.io
American by birth, Chinese by heritage, Australian by choice
living on occupied and unceded Gadigal and Musqueam/Squamish/Tsleil-Waututh land
she/it
Tilde Lowengrimm @tilde.lowengr.im Them.
Nonbinary, Trans, Queer, Disabled, Jewish, Socialist, AntiFacsist, Urbainist. Berkeley, CA.
Technologist, Activist, & Product Manager in Privacy, Security, Trust & Safety. Former: Tall Poppy, Brave, CPJ, Tor, Mozilla.
https://tildelowengrimm.com
Vitaly G @vitalygud.bsky.social 
Ariana Mirian @arianamirian.bsky.social I get excited about empirical measurement and improving security. Senior Security Researcher @ Censys, avid birder, views my own | http://arianamirian.com
Wendy Seltzer @wseltzer.bsky.social Lawyer, techie, governance wonk. Also @wseltzer@infosec.exchange
e. hashman @eha.sh Hacker and open sourcerer, 🇨🇦 settler south of the medicine line, exhausted tech worker (SWE @ Apple). Tea aficionado 🍵 Amateur botanist, naturalist, and radio operator. Fighting severe ME/CFS. ♿ https://hashman.ca/
רעדסטו יידיש?
Assaf Keren @assafkeren.bsky.social 🛡️ CISO @Qualtrics | Advocating for a safer internet & the well-being of security pros. 
Emilio Escobar @eaescob.bsky.social CISO, investor, overall nerd, and wordle addict. Passionate about all tech, especially for tech that breaks the mold. https://emilio.blog
Alex Stamos @stamos.org CPO/CSO of Corridor.dev, teaching at Stanford.
Sean Cassidy @seancassidy.me 
Adam Arellano 👩🏼🎤🧚🏼♂️🧜🏼♀️🏳️🌈 @adamarellano.bsky.social CyberQueer. Former Marine. Current Mexican and American. DEI Warrior. He/They.
Thoughts = Mine 🇲🇽🏳️🌈🇺🇸
evacide @evacide.bsky.social Director of Cybersecurity @eff.org
Co-founder of @stopstalkerware.bsky.social
These opinions are my own, not my employer's
I did a TED talk once
Amanda Walker @aw90.bsky.social security & privacy geek by day, decorative artist by night.
Not interested in cryptocurrency or gofundme scams, sorry.
Peter Bowen @pzb.bsky.social Bainbridge Island, WA
Martin Shelton @mshelton.bsky.social Security therapist. Deputy director of digital security @freedom.press.
Mastodon: https://mastodon.social/@mshelton
Digisec newsletter: https://freedom.press/newsletters
Emily Stark @estark.bsky.social Encryption, HTTPS, certificates, web security, security UX, software engineering and management, TMI about parenting. Opinions are my own.
David Schinazi @davidschinazi.com Leading IP Privacy efforts at Google. OG MASQUE Enthusiast. Opinions my own. he/him. 🇫🇷➡️🇺🇸. I fight for the users.
Michael A. Specter 👻 @mikespecter.com | Assistant Professor, CS @ Georgia Tech |
| Research Scientist @ Google |
| Prev: PhD in EECS from MIT |
| spdr.cc.gatech.edu |
| mikespecter.com |
Andy Sayler @andysayler.bsky.social Information Security, Public Policy, and Food Stuff. Risk @Patreon. Ex-Infosec @Workday, ex-InfoSec @twitter. (he/him)
Jeff Hodges @handle.invalid I like to be called Jeff.
https://www.somethingsimilar.com
San Francisco, CA
Tarah Wheeler @tarah.org CSO of TPO.group ♦️ EFF Board of Directors♦️she/her ♦️ bestselling author but only that one time
rahaeli @rahaeli.bsky.social Cofounder @dreamwidth.org / disabled queer cat lady / running social media since before it was "social media" and Trust & Safety since the dawn of time / do not cite the deep magic to me, I wrote it / no, I'm allergic to that, too- V Vijaya Gadde @vijaya.bsky.social
rev. howard arson @theophite.bsky.social god created him and demanded that he die
Brian Fitzpatrick @therealfitz.com Chasing Wonder, Engineer, Author, ORD Camp Instigator, Feminist. Potter. Recovering technologist. Would like to pet your dog.
Previously: Founder & CTO of Tock, Xoogler, Ex-Apple. He/Him.
Optimizing for kindness
wonder.voyage
debuggingteams.com
Amie Stepanovich @amiest.bsky.social Privacy, tech, security
My opinions are mine.
Riana @riana.bsky.social Tech policy researcher at Stanford. Former litigator. Anger is an energy. Dum spiro spero. she/her
Yoel Roth @yoyoel.com Internet sanitation enthusiast and full-time corgi wrangler.
Rosa @rgb.bsky.social Currently: 🤷♀️
Previously: Privacy Engineer at Google
twitter.com/rosa
instagram.com/rosa
Marcia Hofmann @marciahofmann.com Digital rights lawyer and writer. Former Twitter, Electronic Frontier Foundation, Electronic Privacy Information Center, US-UK Fulbright.
Parag Agrawal @para.ga 
Richard Rabbat @richardrabbat.bsky.social Technology is my love language. Google. Zynga. Twitter. Founder of Gfycat (acq. Snap). Founder at stealth AI company. 
Filippo Valsorda @filippo.abyssdomain.expert @geomys.org founder / RC F'13, F2'17
Cryptogopher / Go cryptography maintainer
https://filippo.io / https://github.com/FiloSottile
https://mkcert.dev / https://age-encryption.org
https://sunlight.dev / https://filippo.io/newsletter
Deirdre Connolly¹ ² @durumcrustulum.com 🜗 🝒 🝲 crypto as in 'cryptography' 🝳 🝡 🜖
¹ isogenist, co-host SCWpod
² https://durumcrustulum.com, https://www.youtube.com/@durumcrustulum
Katie Moussouris (she/her/she-hulk/she-ra)🌻 @k8em0.bsky.social Founder & CEO LutaSecurity @payequitynow MIT&Harvard visiting scholar, @MasonNatSec fellow, 1/2 Chamoru, 1/2 Greek all-American hacker
Ted Han★ 韓聖安 @knowtheory.net pfp by @montoulieu.dev's gameboy
Joseph Lorenzo Hall, PhD @josephhall.org Astrophysicist turned advocate; guiding the globe to a safer, stronger Internet. Distinguished Technologist @internetsociety.org, https://josephhall.org/, (former CDT, NYU, Princeton CITP, Berkekey iSchool/Astro)
wendy knox everette @wendyck.bsky.social Startup CISO. BSidesLV Lockpick. Hacker lawyer. Amzn & Google alum, USCG wife, Wellesley, GMU Law. IAAL but IANYL.
Menotti Minutillo @menotti.bsky.social Encinitas CA. Dogs, sports, gaming, home improvement, food. Engineering Leadership @ Netflix Security. he/him
kate conger @kateconger.com tech reporter for the NYT!
co-author of CHARACTER LIMIT!
signal: kateconger.11
buy our book: https://www.penguinrandomhouse.com/books/737290/character-limit-by-kate-conger-and-ryan-mac/
tour dates & translations: https://linktr.ee/kateconger
Mekka Okereke @mekka.mekka-tech.com Building Digital Ecosystems at Google.
https://hachyderm.io/@mekkaokereke
He/him.
Adriana Porter Felt @apf.bsky.social I like writing silly skeets, but that doesn't pay so I also make Google Chrome. mamá, Eng Director, volunteer at Second Harvest. 🇺🇲🇨🇷
Twitter: @__apf__
Øyvind Bye Skille @byeskille.no journalist, and a bit of a nerd. Working for Norwegian Broadcasting Corp. (NRK)
Other means of contact (incl Signal and PGP): https://byeskille.no/en/encrypted-contact/
April King @april.social Staff Security Engineer at some random tech company, previously Mozilla, Dropbox, LinkedIn, and (pre-Elon) Twitter. Has read @kateconger.bsky.social’s autobiography.
web @ grayduck.mn // also github.com/april
Jay 🦋 @jay.bsky.team Founder & Chief Innovation Officer @ Bluesky
Working on @attie.ai
🌱 🪴 🌳
Ian Coldwater 🧊🚫 @lookitup.baby Kubernetes SIG Security Co-Chair, goose in the mainframe. Minneapolis. They/them. Stay punk 🏴
MSP feed info: https://bsky.app/profile/amityf.bsky.social/post/3mrv36uo4pc2a
Mike Masnick @masnick.com Techdirt guy. Writes about social media, copyright, free speech, content moderation, civil liberties and stuff like that. Once wrote a paper that may have helped inspire this service & now I'm on its board: https://bit.ly/protocolnotplatform
Bluesky Support @support.bsky.team Submit bug reports, feature requests, and feedback with the in-app form in your left side menu (mobile) or right column (desktop), or email us at support@bsky.app.