Chris Stokel-Walker @stokel.bsky.social Tech journalist and author, who increasingly also talks on TV and radio. Interested in the sparks that happen when the online and offline worlds collide
@stokel on the other place. Buy my book: How AI Ate the World!
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
Maggie Miller @maggiemiller.bsky.social Cybersecurity reporter for Politico based in DC. Also history, dog, and good TexMex taco nerd.
mmiller@politico.com, DM for Signal
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)
Sam Biddle @sambiddle.com Senior Technology Reporter at The Intercept
Got a tip? Signal: sambiddle.99 (Make sure you don’t contact me via a work-provided device)
https://sambiddle.com
Sam Sabin @samsabin.bsky.social Axios cybersecurity reporter, taking it day by day ✨ | 📩: sam.sabin@axios dot com, signal: SamSabin.01 (no pitches!), she/her
Suzanne Smalley @suzannesmalley.bsky.social Reporter covering digital privacy and cybersecurity policy for The Record. Mom. Pub trivia queen. Crossword enthusiast. Literary fiction connoisseur. Idiosyncratic. Signal: Suzanne.236 Email: suzanne.smalley@therecord.media.
Filippo Valsorda @filippo.abyssdomain.expert RC F'13, F2'17
Cryptogopher / Go cryptography maintainer
Professional open source maintainer
https://filippo.io / https://github.com/FiloSottile
https://mkcert.dev / https://age-encryption.org
https://sunlight.dev / https://filippo.io/newsletter
David DiMolfetta @ddimolfetta.bsky.social Nextgov/FCW cybersecurity + intelligence reporter. Tips: ddimolfetta@govexec.com Signal: @ djd.99 X/Twitter: @ddimolfetta
Sebastian Vandermeersch @sebkilli.bsky.social Investigative journalist at Bellingcat focused on conflict & human rights.
Formerly: BBC Verify and CIR. Views are my own.
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
Ryan Gallagher @rjgallagher.co.uk Investigative reporter @Bloomberg.com covering technology & cybersecurity.
Anonymous tips: https://tips.hushline.app/to/ryan
Email: ryan@rjgallagher.co.uk
Signal/WhatsApp: +44 737-678-6842
AJ Vicens @ajvicens.bsky.social Cybersecurity correspondent at Reuters; former Mother Jones, CyberScoop. Will bore you with skateboarding, UFO lore or Denver Broncos minutiae on request. Signal: ajvicens.57, additional contact methods: https://tinyurl.com/47jc45h7
Will Oremus @willoremus.com Covering online speech, the information economy and AI weirdness at @theatlantic.com. Shitposting about Bluesky on Bluesky.
Signal: willoremus.24
Sean Lyngaas @snlyngaas.bsky.social Cybersecurity reporter, CNN. Signal +1-202-355-8471 or SNLyng.11. sean[dot]lyngaas@cnn[dot]com|slyngaas@proton[dot]me
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
dell cameron @dell.bsky.social Senior writer @WIRED.com
Natsec, ADINT, surveillance
Signal: dell.3030
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
Mike Stone @michaelstone.bsky.social Reuters reporter covering the U.S. arms trade. Mainly focused on Ukraine and Golden Dome for now. Read my stories here: https://www.reuters.com/authors/mike-stone/; RP's≠endorsements. Views=own.
Yaroslav Trofimov @yarotrof.bsky.social Chief Foreign-Affairs Correspondent, The Wall Street Journal. 📕Author of No Country for Love, Our Enemies Will Vanish, Siege of Mecca and Faith at War 📕 Yarotrof.com
Dustin Volz @dustinvolz.bsky.social Washington correspondent for The New York Times focused on cyber conflict, digital espionage and intelligence. Prior stops at WSJ, Reuters, National Journal. https://www.nytimes.com/by/dustin-volz
Zach Dorfman @zachsdorfman.bsky.social National Security Reporter. Features in Politico, Rolling Stone, Wired, Foreign Policy. Working on a book on the history of deep cover for Penguin-Random House.
It’s always Berlin 1989 somewhere. Email: thebrushpass1@protonmail.com
Patrick Howell O’Neill @patrickhowelloneill.com Journalist at Bloomberg News in DC. Signal: @howelloneill.01, email: patoneill1@bloomberg.net https://www.bloomberg.com/authors/AXb8dLPHBFc/patrick-howell-oneill
BeijingPalmer @beijingpalmer.bsky.social Deputy editor at Foreign Policy, China nerd, gaming nerd, reads a lot. Never again a country without consequences.
Tim Starks @timstarks.bsky.social Senior reporter, CyberScoop, covering spyware, cyber policy and more. Russia-sanctioned. Former Washington Post, POLITICO, CQ Roll Call. @timstarks.02 on Signal. tim.starks@cyberscoop.com. Mastodon timstarks@infosec.exchange, X timstarks, Threads tstarks2.
Chris Bing @chrisbing.bsky.social Cyber, natsec and foreign affairs. Formers with ProPublica, Reuters and CyberScoop
https://bing-chris.medium.com/how-to-contact-me-d2fd4bd3ed7b
Kevin Collier @kevincollier.bsky.social I cover digital threats for NBC News. Tip me! @kevincollier.01 on signal, kevin.collier@nbcuni.com. NYC, from West Virginia.
International Cyber Digest @intcyberdigest.bsky.social Independent reporting on cybersecurity, tech, AI & digital policy. Got a tip? http://internationalcyberdigest.com/tips
https://www.internationalcyberdigest.com/
Martin Matishak @martinmatishak.bsky.social Senior Cybersecurity Reporter at The Record from Recorded Future News. Send tips to martin.matishak@therecord.media. Signal: mmatishak.80
Hannah Neumann @hneumannmep.bsky.social 🇪🇺 Member of @europarl.europa.eu 🕊 #Defence #ForeignPolicy #MiddleEast & #Feminism #Security @gruene.de & @greens-efa.eu 📍#MV I #Berlin 🦸🏻♀️ Mother of 3
Matt Burgess (WIRED) @mattburgess1.bsky.social Security writer @wired.com
Cybercrime, privacy, surveillance, and more.
Signal: mattburgess.20 | Email: matt_burgess@wired.com
Lily Hay Newman @lhn.bsky.social Security reporter for WIRED Magazine. she/her/my man. Signal +1 (347) 722-1347
The Citizen Lab @citizenlab.ca We are an academic research unit at the University of Toronto investigating novel threats to democracy, human rights, and global security in the digital ecosystem.
Marcus Michaelsen @mmichae1sen.bsky.social Researching digital tech, human rights & authoritarian politics @citizenlab.ca. https://marcusmichaelsen.eu/ 
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
Sam Cole @samleecole.bsky.social journalist / co-founder @404media.co
signal: sam.404 (sensitive comms)
sam@404media.co (everything else)
complain about the paywall, catch a block
Jeremy Kirk @jkirk.bsky.social Okta Threat Intelligence. Personal account. Interests: Cyber threat intelligence, OSINT, data breaches, AI. Formerly intel analysis @ Intel 471. jeremykirk.com
BleepingComputer [Unofficial] @bleepingcomputer.com.web.brid.gy BleepingComputer is a premier destination for cybersecurity news for over 20 years, delivering breaking stories on the latest hacks, malware threats, and […]
🌉 bridged from 🌐 https://bleepingcomputer.com/: https://fed.brid.gy/web/bleepingcomputer.com
Joseph Cox @josephcox.bsky.social Hacking/crime/privacy journalist. Author of DARK WIRE, buy here: https://www.hachettebookgroup.com/titles/joseph-cox/dark-wire/9781541702691/#preorder Co-founder of 404 Media. Signal: joseph.404 Email: joseph@404media.co
emma best 🏳️🌈🏴☠️🏳️⚧️ Mxy @emma.best Journalist and historian of intelligence agencies and hacking. Whistleblower and former hacker. Leaking at @DDoSecrets.org. Бáба-Ягá Antifa. (she/they)
Wife of @brazenqueer.bsky.social
Follow me on Mastodon https://kolektiva.social/@Mxy
P.S. Abolish ICE
Ryan Mac 🙃 @rmac.bsky.social NYT tech reporter
Co-author of Character Limit
Signal: rmac.18
ryan.mac@nytimes.com
rmac18@protonmail.com
https://www.penguinrandomhouse.com/books/737290/character-limit-by-kate-conger-and-ryan-mac/
https://linktr.ee/ryan_mac_
ChiefGyk3D @chiefgyk3d.com #Cybersecurity and #InfoSec by Trade and content creator by night for #Tech, Cybersecurity, #IT, #Linux, #AmateurRadio, and #GamingonLinux
Twitch | YouTube | TikTok | Mastodon
CISSP
Socials and Tipping: https://links.chiefgyk3d.com/socials
#OpenSource
The Verge @theverge.com Covering life in the future
Subscribe here: https://www.theverge.com/subscribe
Internet Archive @archive.org Internet Archive is a non-profit research library preserving web pages, books, movies & audio for public access. Explore web history via the Wayback Machine. 
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
Meredith Whittaker @meredithmeredith.bsky.social President of Signal, Chief Advisor to AI Now Institute 
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.
FOCAL EU @focal-eu.bsky.social Functional cOmpostion of post quantum Crytptosystems At Large
Anna Bower @annabower.bsky.social Just asking questions.
Senior Editor, Lawfaremedia.org.
Send story ideas and tips to anna.bower@lawfaremedia.org
Fiona Cunningham @fiona-cunningham.bsky.social Assistant Professor of Political Science at the University of Pennsylvania. Author of “Under the Nuclear Shadow” (Princeton, 2025). China, nukes, cyber, space, international security. She/her. Personal website: www.fionascunningham.com
Eliza Bettinger @scalywager.bsky.social libraries, privacy, surveillance, new york state, digital humanities, odd datasets, maps, indigenous-settler history of the northeast.
member, Library Freedom Project.- S Sico van der Meer @sicovandermeer.bsky.social
Emily M. Bender @emilymbender.bsky.social Book: https://thecon.ai
Web: https://faculty.washington.edu/ebender
Ed Zitron @edzitron.com British, But In Las Vegas and NYC
ezitron.76 Sig
Newsletter - wheresyoured.at
https://linktr.ee/betteroffline - podcast w/ iheartradio
Chosen by god, perfected by science
CEO at EZPR.com
Colin @colin-fraser.net Driven by industry progress, inspired by provocative leadership, plus don't mind a good pair of shoes or a great @PennStateFball scoreboard either.
Dr Rupert Barrett-Taylor @rbarretttaylor.bsky.social Turing Institute Research Fellow. PhD critical of targeting processes, intelligence production and the software they rely on from Sussex University. Bowel cancer survivor. All views my own.
Theodora Skeadas @theodoraskeadas.bsky.social Ex-Tweep, hiker, traveler, and fantasy fiction reader!
Faine Greenwood @faineg.bsky.social civilian drone technology and GIS/spatial data consultant, journalist and writer, monitors small drones in the Ukraine war, humanitarian-aid adjacent, always annoying online. they/them pronouns. read my newsletter: https://little-flying-robots.ghost.io
Catalin Cimpanu @campuscodi.risky.biz ☆ Cybersecurity reporter
★ Newsletters at Risky Business
#infosec #cybersecurity
https://risky.biz
Lilian Edwards @lilianedwards.bsky.social Director of Pangloss Consulting for all your AI and GDPR needs! Emerita Prof Newcastle Law School: Hon Prof, @CREATe Glasgow Uni. Formerly @ATI, @SCRIPT: Trying not to be a grey skies thinker & use this place more , lilian@lilianedwards.co.uk
Joanna Bryson @j2bryson.bsky.social Professor of Ethics & Technology @ Hertie School, Berlin. Interests: Artificial & Natural Intelligence; Behavioural Ecology; Cooperation; Digital Governance. Social media policy: https://joanna-bryson.blogspot.com/2024/10/guidance-to-my-social-media.html
Peter Schrijver @psguu.bsky.social PhD student Faculty Military Sciences Breda | Leiden University | interests: influence, intelligence, drones | BA History Utrecht, MA Military Strategic Studies Breda
Latest article: https://www.tandfonline.com/doi/full/10.1080/02684527.2026.2669810
CyberScoop @cyberscoop.bsky.social We report on news and events impacting technology and security. https://linkin.bio/cyberscoop/
Matthias Schulze @percepticon.bsky.social PhD in political science, studying infosec, cyber conflict & information war. Blue Team at SRLabs in Berlin.
Blog and podcast about my work over at https://percepticon.de or https://ioc.exchange/@percepticon
Cynthia Brumfield @metacurity.com DC resident and cybersecurity writer, analyst, book author, publisher. https://metacurity.com/ https://cyberriskbook.com/
https://www.csoonline.com/profile/cynthia-brumfield/ https://infosec.exchange/@metacurity
Send tips to Cynthia.507 via Signal.
Natalia Krapiva 🕊️👩🏻💻 @natynettle.bsky.social Lawyer working on human rights, technology, spyware, litigation, Russia and Eastern Europe.
Currently Senior Tech-Legal Counsel at Access Now. Formerly OSINT investigator and prosecutor.
Cybersecurity Dive @cybersecuritydive.bsky.social We provide business journalism into the most impactful news and trends shaping cybersecurity.
Eric Geller @ericjgeller.com Senior reporter at @CybersecurityDive.bsky.social covering all things digital security. I also co-host @hothtakes.bsky.social. | Send me tips: https://ericjgeller.com/contact.html
TechCrunch @techcrunch.com Technology news and analysis with a focus on founders and startup teams.
Got a tip? http://techcrunch.com/tips
Costin G. Raiu @craiu.bsky.social Romanian antihacker from another planet. #threatintel #yara #chess #taekwondo black belt
Motto: "One reboot a day keeps the implant away"
Australian Strategic Policy Institute @aspi-org.bsky.social The Australian Strategic Policy Institute is an independent, non-partisan think tank focused on Australia's defence, cyber, tech and strategic policy.
Ric @ricderby.com Principal security researcher - Orange Cyberdefense
Honorary researcher - @imperialcollegeldn.bsky.social
OT, CNI, novel attack techniques, quantitative risk
motorcycle & guitar obsessive | cat hoarder
Bob @bobherc.bsky.social War Studies at KCL alum.
Cyber, Maritime, CNI Defense.
Journalism, Film, Music.
I know a lot about cocktails.
ILoF.
Fabio Seferi @fabioseferi.bsky.social PhD Candidate & Consultant | digital policy and regulation - cyber risk, readiness and resilience
Jon Lindsay @jonrlindsay.bsky.social Job: Assoc Prof @ GaTech School of Cyber & Privacy; Intl Affairs.
Books: Age of Deception, Elements of Deterrence, IT & Mil Power. Interests: kids, mountains, philosophy, classics, democracy
Saher @saffronsec.bsky.social Espionage Threat Research @ Proofpoint. Former @virtualroutes.bsky.social fellow. @warstudieskcl.bsky.social alum. She/her
Eileen Guo @eileenguo.bsky.social Tech features and investigations at @technologyreview.com | proud Los Angeles resident | send me tips (not PR pitches) on Signal: eileenguo.15 | português-español-中文 https://www.technologyreview.com/author/eileen-guo/
TJ Nel @idr0p.net Insikt Group @ Recorded Future
Malware, AI, data, and coffee.
Greg Otto @gregotto.bsky.social @gregotto from twitter, now on bluesky. Editor-in-Chief at CyberScoop. Host of Safe Mode. Better with words than I am with code.
Zack Whittaker @zackwhittaker.com Security editor, TechCrunch
Signal: zackwhittaker.1337
My stories: techcrunch.com/author/zack-whittaker
My newsletter/blog: this.weekinsecurity.com
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
Vas Panagiotopoulos @vaspanagiotopoulos.com Journalist interested in #surveillance | Contributor: @wired.com | @ftm.eu | Covers 🇬🇷 for @rsf.org | Researcher: @deakinuniversity.bsky.social | 2026 Fellow @techpolicypress.bsky.social
☏ Signal: vas.99
http://vaspanagiotopoulos.com
Nathalie Tocci @nathalietocci.bsky.social Professor at John Hopkins University SAIS Europe. Senior fellow, IeP Bocconi University. Views my own
Marina Henke @mephenke.bsky.social Professor at Hertie School, Berlin and SAIS, Washington DC. European security and defense. Hot dog lover 🤤
James Sullivan @mrjamessullivan.bsky.social Director, Cyber, RUSI
Calwarez @calwarez.bsky.social Director for Malicious Infrastructure Discovery @ Recorded Future | Views my own
Julian-Ferdinand Vögele @julianferdinand.bsky.social Threat Research @ Recorded Future. Previously @ Security Research Labs. He/Him. 🏳️🌈
Lawrence S. @lawrencesec.bsky.social 🇬🇧 Threat Research @ Recorded Future.
I Like Tracking ASNs and ISPs for some reason...
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
Max @disclosing.observer PhD Candidate in Anti-Abuse Strategy & Ethics @ TU Delft
CSIRT Operations Lead @ https://divd.nl
Virtual Routes Fellowship Alumnus '24-'25
Writing about it all on https://disclosing.observer
Eugenio Benincasa @euben.bsky.social Cyber Defense Researcher @ethz.ch. Former Italian govt, Pacific Forum and NYPD. LUISS & Columbia University Alum.
Melissa K. Griffith @melissakgriffith.bsky.social Faculty at Johns Hopkins SAIS & the Alperovitch Institute | former Wilson Center; Stanford CISAC | PhD from UC Berkeley | cyber and national security; semis; 5G; AI | usual disclaimers apply
Coordinates: melissakgriffith.com
Ben Read @benread.bsky.social CTI @wizsecurity.bsky.social
Adjuct at @jhu.edu - SAIS
Nonresident Fellow at @atlanticcouncil.bsky.social - Cyber Statecraft
Previously NSC44, Mandiant, Google
Go Mammoths
Mauro Gilli @maurogilli.bsky.social Professor of Military Strategy and Technology at the Hertie School in Berlin. Great powers rivalry, future of war, tech competition. Born 🇮🇹, 9y 🇺🇸, 9y🇨🇭, 🇩🇪 https://sites.google.com/site/maurogilli2/
Andrea Gilli @aagilli.bsky.social 
The Record @therecordmedia.bsky.social Covering the world of cyber and intelligence from every angle.
Council on Foreign Relations @cfr.org 🌏 CFR is a resource for foreign policy news and analysis.
CFR takes no institutional positions on policy. Follows, reposts, likes ≠ endorsements.
✉️ Subscribe to our newsletters: http://cfr.org/newsletters
Onyendidi @onyendidi.bsky.social Christian| Wife| Mom| Doctoral Researcher
David Kirichenko @kirichenko.bsky.social Ukrainian-American freelance journalist | Associate Research Fellow, Henry Jackson Society
https://youtu.be/Rz5tYcQDzuE
National Crime Agency (NCA) @nca-uk.bsky.social