James In Beta @jamescheung.bsky.social Building my AI products:
https://www.x-jumper.com
https://www.redditmaster.com
UCLA alumni ➜ ex-FAANG Software Engineer ➜ Founder
Simon Willison @simonwillison.net Independent AI researcher, creator of datasette.io and llm.datasette.io, building open source tools for data journalism, writing about a lot of stuff at https://simonwillison.net/
🇵🇹 snipe, lixo tóxico ⭑⭒⭒⭒⭒ @snipe.lol Hacker, dev, CEO of @grokability.com, author, speaker, open sourcerer, sudo incarnate, poo doula. I make @snipeitapp.com. Was @snipeyhead. Married to @uberbrady.com. Vivo em Lisboa 🇵🇹. #Laravel #FOSS
🔗 snipe.net
🔗 snipe.pt
🐘 @snipe@hachyderm.io
@cyfluencer.bsky.social @cyfluencer.bsky.social 
Victoria Walberg @vickyjo.bsky.social Insomniac security & tech geek.
Lancashire lass in The Netherlands, via Brighton, London, and Switzerland.
Tweeting in a personal capacity.
Martin Mckeay @mckeay.bsky.social No simple description could encapsulate the awesomeness that is me!
Most people know me from my career in computer security. Blogging, podcasting, and writing the Akamai State of the Internet Security Report.
Don't ask how I'm doing. Life isn't pretty.
Matthew Hughes @matthewhughes.bsky.social Journalist (ex The Register, The Next Web, HowToGeek). Writer. Software developer. Dog owner (x3). Scouser.
I have a newsletter about how tech companies are ruining our lives. https://whatwelost.substack.com/
Stefan @irreality.bsky.social 
Gary Hawkins @garyhawkins.net Mostly memes and shitposting, with maybe the occasional smidge of the cybers.
Marques Brownlee @mkbhd.com Video maker
Buffer @buffer.com The social media management platform for scheduling, publishing & analytics across every major network. Plan your content calendar in one place. This account is managed by real humans. 💙
⬇️ buffer.com/bluesky
David 🏴 @davidsheryn.bsky.social InfoSec and aviation. Likes are bookmarks not endorsements.
No DMs, please use Signal: David.7323
London, Buckinghamshire, Bristol, Wales.
Sarah Armstrong-Smith @sarahasmith.bsky.social Executive Security & Crisis Leader, Keynote Speaker, Best-selling Author, Lover of Doggos 🐶 🇬🇧
Quentyn @quentyn.bsky.social the artist formally known as Quentynblog on twitter - i do infosec, running and outdoors things. Not verified so don't message me here as i cant read them at all
Roy Tait @roytait.bsky.social 
Andrew Hay @andrewsmhay.bsky.social COO, CISO, problem solver, team builder, silo breaker, data geek, international public speaker, competitive powerlifter, and proud husband.
Jacob @biosshadow.bsky.social I manage people that do things with computers
@beccacybersec.bsky.social @beccacybersec.bsky.social 
Scuttlebutt @anthonymfreed.bsky.social Director of Research/Comms at http://Halcyon.ai - but these posts are mine...
#FuckTrump
Chris Nickerson @indi303.bsky.social Red Teamer, Business Owner, Hacker, CEO, Investor, Cybersecurity, dog dad, Lares, Breachquest, Liability, B-sides co-founder, @TEDalumni , kinda canadian, #303
Raj Samani @rajsamani.bsky.social Chief Scientist @Rapid7 (ex @McAfee) | @cloudsa | Co-author of @CyberGridBook & CSA Guide to Cloud | Advisor
@EC3Europol
https://bsky.app/profile/rajsamani.bsky.social
SPCoulson @spcoulson.bsky.social Ranter of things - A lot of tech posting, reposting with a smattering of gifs and cheeky fun.
I was @SPCoulson on Twitter
I am occasionally wrong.
#HiddenText
bit.ly/HiddenText
Mainly post on LinkedIn though...
https://www.linkedin.com/in/stuartcoulson/
Dan Klinedinst @imdklined.bsky.social Infosec engineer, hacker, and author of Shall We Play a Game? Analyzing Threats to Artificial Intelligence.
Matt Palmer @matt.je Cyber defence, incident response & international finance. Personal acct, my views. Connect at https://www.linkedin.com/in/mattpalmercyber
Willa @willasaywhat.bsky.social Infosec princess with a penchant for secure code, mother of two, wifey ⚢. My words are my own. 🏳️🌈
https://infosec.exchange/@willasaywhat
Himanshu Anand @noob.bsky.social Capturing some flags!!
https://himanshuanand.com
jaVasCript:/*-/*`/*\`/*'/*"/**/(/* */oNcliCk=alert() )//%0D%0A%0d%0a//</stYle/</titLe/</teXtarEa/</scRipt/--!>\x3csVg/<sVg/oNloAd=alert()//>\x3e
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
@maxsec.bsky.social @maxsec.bsky.social #TeamLH , infosec, aviation, technology and car nut
Chris Morrison @chrismo76.bsky.social 
Azgard @yestinj.bsky.social South African software engineer, hacker 👾
Robert McMillan @bobmcmillan.bsky.social Cybersecurity reporter for the Wall Street Journal
Marcus Hutchins @malwaretech.com threads.com/@malwaretech
https://linkedin.com/in/malwaretech
https://marcushutchins.com
Richard Stiennon @stiennon.bsky.social Industry analyst. Author. Curator of data on the entire cybersecurity industry.
Kenn White @kennwhite.bsky.social cryptography • neuro • cloud • biscuits
ORD-DCA-NYC-BCN ✈️
kennwhite@mastodon.social
Peter Hesse @pmhesse.bsky.social Sharing my super retro banner image but I look a lot older than this now.
Beth Maundrill @gunshipgirl.bsky.social Editor at Infosecurity Magazine 👩💻
B2B journalist/editor for over a decade, started off in defence and now covering cybersecurity.
Rowenna. 2 ‘n’s. Ro-WEN-na. @missiggeek.bsky.social She/her. Aka Miss IG Geek on other socials. Humanity in data, digitech-ethics, and misanthropology, occasional puffins. #ActuallyAutistic 🏳️🌈
Everything you know is actually way more complicated than you think
Ken Munro @thekenmunroshow.bsky.social 
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)
Tanya Janca | SheHacksPurple @shehackspurple.bsky.social Secure Code Trainer - Best-selling author of Alice and Bob Learn Secure Coding & Alice and Bob Learn Application Security. #AppSec she/her
https://shehackspurple.ca 🌻
Simon Wardley. @swardley.bsky.social Mapper. I like ducks, they're fowl but not through choice.
(╯°□°)╯︵ S︵T ︵U ︵🔥 @cybersecstu.bsky.social I'm a Teams reaction GIF, I like OSINT, Consulting Director ✍️ CTI & Analytics book ~202X, Tracelabs Black badge x3, Ex-Podcaster, ex The many hats club, #cyber Views my own or the AI's.
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
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
Corey Quinn @quinnypig.com Snarkmonger. Chief Cloud Economist at The Duckbill Group.
he/him.
Get my opinionated take on AWS news: http://lastweekinaws.com/t/
Signal: 833-AWS-BILL (833-297-2455)
Stacey Holleran @staceyholleran.bsky.social Working at the intersection of cybersecurity, B2B tech, and media/comms | ATL based, WI accent, Danish heritage | Dog enthusiast | Above the clouds is my happy place | It’s the guns
Perry Carpenter @perrycarpenter.bsky.social Cybersecurity geek, author, podcaster, and deceptionologist. Chief Human Risk Management Strategist at KnowBe4.
Author of "FAIK: A Practical Guide to Living in a World of Deepfakes, Disinformation, and AI-Generated Deceptions." Cohost of "The FAIK Files."
Alethe @alethe.bsky.social ‘Uh-Lee-th’ | Bishop Fox 🦊 Red Team | DEF CON Goon & Black Badge Hall of Fame | DEF CON Social Engineering CTF Winner 2019 | Physical Pentester | IVR Pentester | IR Tabletop King 👑
Safa 🇿🇦 in NorCal 🇺🇸 - Fish 🐠 Nerd - Jeep Girl
Kate O'Flaherty @kateoflaherty.bsky.social Freelance cybersecurity and privacy journalist @theguardian.com | @wired.com | @Forbes | IT Pro | SC Media UK and more.
Dogs 🐕
ThinkstCanary @thinkstcanary.canary.tools Know. When it matters.
https://canary.tools
@Fuzztech / Nick Selby @nickselby.com Tech transformation & infosec. Board member NCPTF; Advisor, Sightline Security. Former NYPD Intel, current reserve TX CSAM/Cyber detective. Co-Host, Tech Debt Burndown podcast. Bayern, DE and Bedford, TX
https://nickselby.com
https://techdebtburndown.com
James Fridman @jamesfridman.com Do not submit any personal photos that you do not wish to be made public. T&C apply.
Stevie Martin @5teviem.bsky.social I’m a comedian and writer and hello hi hello
Come see me live March 3-5 in london. Tickets and everything else I do here: https://linkin.bio/5teviem
JJ @jacquelinejayne.bsky.social Hello! I’m focused on reducing human error in cyber and educating 1 million people about #onlinesafety.
www.JacquelineJayne.com.au
#securityinfluence #humanriskmanagement #jacquelinejayne #peepsandgeeks
74rku5 (He/Him) @74rku5.bsky.social Dad, Fur dad, neurodivergent, SecEng strong man, a supporter of the less-privileged, foodie, and generous giver of free hugs.
https://security-spectrum.com/
ethicalhack3r @ethicalhack3r.bsky.social Founder of Damn Vulnerable Web App (DVWA)
Founder of WPScan (acquired by Automattic)
Check out my new project! https://kevintel.com
Shawn Newman @shawnjnewman.bsky.social AWS Analyst Relations Revenue Enablement
Vladimir Jirasek @jirasek.uk Talking Technology & Cyber Security | CISO | Start-up Advisor
🌐 vladimir.jirasek.uk
#Chess #Cybersecurity #privacy
Sarah Cooper @sarahcpr.bsky.social President
Jen Golbeck @jengolbeck.bsky.social Computer scientist, psychologist, journalist. Professor at UMD
On the dystopia beat- AI, social media, extremism, radicalization, privacy, information warfare, and bad stuff people do on the internet
she/her
JerryRigEverything @jerryrigeverything.bsky.social I review tech from the inside
Maddie Stone @maddiestone.bsky.social Security Researcher at Google Project Zero. 0-days all day. Love all things reverse engineering. she/her
Mark Stockley @ai-fix-mark.bsky.social Host of the award-winning AI Fix podcast (@theaifix.show) and cybersecurity evangelist for ThreatDown.
Jake Moore @jakemooreuk.bsky.social Global Cybersecurity Advisor at ESET
www.jakemoore.uk
Rachel Tobac @racheltobac.bsky.social Hacker & CEO @SocialProofSec security awareness/social engineering training, videos, talks | 3X @DEFCON🥈 | Ex Chair @WISPorg | Ex @CISAgov Technical Advisory Council under Director Jen Easterly
Mike Thompson @appsecbloke.com Information security leader, vendor adversary, occasionally opinionated.
Shitposts, memes, music and thoughts on the state of the place.
linktr.ee/appsecbloke | https://soundcloud.com/michael-thompson-70891340
Sean Gallagher @thepacketrat.net Birb stalker. Cat tree. Cyber Threat Researcher. Recovering cyber and natsec reporter. Meme war and US Navy veteran.
@thepacketrat everywhere since 1994. These posts are not my employers’. https://falling-anvil.com
Dr. Bilyana Lilly 🦋🌻 @bilyanalilly.bsky.social Author of “Russian Information Warfare” | Cyber chair, WSF | Randite | Oxonian | Bear huntress
Mathew J Schwartz @mathewjschwartz.bsky.social Cybersecurity reporter 
Nick Drage @sonofsuntzu.bsky.social Co-author of Random The Book: https://randomthebook.com/2026/05/29/its-here/
I'm abstractly interested in everything: https://blog.sonofsuntzu.org.uk/about
Nyctophile.
Oliver Dowson, Author @oliverdowson.bsky.social Author of 'The Repurposed Spies' series. Before retiring and turning to writing, CEO of a multi-national energy data management company. Passionate about travel - I've visited 150 countries for business and pleasure, and user them as settings for my books.
Mehdi Hasan @mehdirhasan.bsky.social Editor and CEO, Zeteo
Author, ‘Win Every Argument’
British-American
Joe Pettit @jpettit.bsky.social Director at Bora
Cybersecurity & Marketing 
Dave Shackleford @daveshackleford.bsky.social SANS, IANS, Voodoo Security. So many other things, too. 
Kelly Shortridge @shortridge.bsky.social software resilience, cybersecurity, complex systems | chief product officer @fastly.com | nyc
“In the information society, nobody thinks. We expected to banish paper, but we actually banished thought.”
kellyshortridge.com
@swagitda_ on Twitter
Amanda Natividad @amandanat.bsky.social Yeah, I’m here now. | VP Marketing for SparkToro | Writer, cook, mom, wife, former baby.
burritosec @unauthorized.computer he/him 🏳️🌈 | cyber dude | and it only seems so strange right now
Ciaran Martin @ciaranm.bsky.social Cyber War. Huh. What is it good for?
John Leyden @jleyden.bsky.social Cybersecurity journalist for csoonline.com (past Daily Swig, The Register and others). Sports fan and travel enthusiast.
John Hultquist @hultquist.bsky.social Mandiant Intelligence at Google. CYBERWARCON and SLEUTHCON founder. Johns Hopkins professor. Army vet.
ProfDanny @profdanny.bsky.social Technology and risk delivering information security: Professor, PhD, FCIISec, cyber researcher, analyst, consultant, practitioner, father, grandfather.
HD Moore @hdm.io runZero & Metasploit
PedroStephano @pedrostephano.bsky.social Aussie in Pommieland. Disturbed by how gullible Brexit proved Brits to be. Looking to get back into Europe.
Loves wearing out first adopted tech. Infosec is my hobby, and healthcare is my career. I know all the shortcuts. 
Zack Whittaker @zackwhittaker.com Security editor, TechCrunch
Signal: zackwhittaker.1337
My stories: techcrunch.com/author/zack-whittaker
My newsletter/blog: this.weekinsecurity.com
JJTurner @jjturner.bsky.social Security and networking for sooooo long
Oscaron ☕🧐 @oscaronactual.bsky.social @oscaron at Twitter. 
Alec Muffett @alecmuffett.bsky.social everybody deserves good security.
https://alecmuffett.com/about
Christian Renaud @xianrenaud.bsky.social Misanthrope. Curmudgeon.
Chris Rice @handle.invalid British nerd living in Amersfoort 🇳🇱 Working in tech 💻
STH: Fulham FC 🖤🤍 and Fortuna Düsseldorf ❤️🤍
F1 enthusiast 🏎️ Train traveller 🚆 German football enjoyer 🇩🇪
D̒͂̕ᵈăᵃn̕ᶰ Ť̾̾̓͐͒͠ᵗe͗̑́̋̂́͡ᵉn̅ᶰtᵗl̀̓͘ᶫe̓̒̂̚ᵉrʳ @viss.hax.lol Viss from twitter and mastodon.social.
startup founder, hotsauce guy, public speaker
eater of pineapple on pizza, listener of ska, flooper of quads
internet grandpa, former sysadmin turned infosec
https://phobos.io/rtg/
https://ravenholmspices.etsy.com
Mo Amin @infosecmo.bsky.social Work: Cyber Security - Minimise the burden. Optimise for balance. Interested in lots of things.
Adrian Sanabria @sawaba.bsky.social 🎙️ Enterprise Security Weekly Podcast Host,
🤝 BSides Knoxville Founder,
🗣️ IANS Research Faculty,
🍳 Cooking,
🏎️ F1,
⛰️ Hiking
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
Phillip Wylie @phillipwylie.bsky.social Offensive Security Professional | Phillip Wylie Show Podcast Host | The Pentester Blueprint coauthor | TribeOfHackers Red Team | https://linktr.ee/phillipwylie
Zoë Rose @rosesec.bsky.social #mumSec
Chris Sistrunk @chrissistrunk.bsky.social Husband, Dad, ⚡EE⚡, OT Security,
OT Practice Leader @Mandiant.com,
Ex-Entergy 💡, BEER-ISAC #002, LaTech Alum
#BBQ, Bourbon, Mississippi Sippers 🥃🦟, weirdo, klugemeister, #sockstatus, #dadjokes #DJaaS #NAPCON Keynote
📍 Mississippi, y'all
Lisa Forte @lisaforte.bsky.social Cyber security, climbing, caving and diving! 💜