Thomas @zetascrub.bsky.social Penetration tester, PC gamer, Tech enthusiast and generally a nerdy guy... Come say Hi
Nathan 🏳🌈 @somebritishguy.bsky.social Elon Musk is a twat
0n1ydan5 @0n1ydan5.com ❤️s Hax, Code, Running. Chaos Monkey. Feminist.
5x Marathon Runner, 2x HM, 2x 10k🏃
BCS / ACM / OWASP / OpenUK member. Personal Acc.
https://linktr.ee/0n1ydan5
Keir Snelling @keirsnelling.bsky.social Father. Open minded. Progressive. CyberSec vendor customer herder. Known to smoke large chunks of beef. Might become his drag queen alter ego - Donna Keirbab
WearyAndroid @wearyandroid.bsky.social Novice infosec student and newbie ethical hacker.
Posts progress on #tryhackme #HTBAcademy #pentesterlab.
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 ⭐
🌈 «Difference is of the essence of humanity» 🦄 – John Hume
#appsec #owasp #cornucopia #threatmodeling
Paul D @pjd83.bsky.social 
CΛRL DΞΛN @carldean.bsky.social 🎧 DJ
👾 CISM Certified InfoSec Expert
👨💻 ISO27001 Lead Auditor
📊 Governance, Risk & Compliance SME
🎓 MSc Cyber Security
👨👧 Proud Father
⚔️ 🔴⚪ UTB
aoighost @antichrist.satan.social 
DC151 @dc151.org Regular Leeds gathering for hackers, makers & people interested in security & tech | Meets every 2nd Wednesday | Disorganised by @glenn.pegden.com, @laurawhit.bsky.social and @roachy.net
* No longer affiliated with DEFCon Groups *
SwiftOnSecurity @swiftonsecurity.com computer security person. former helpdesk
pimoroni @pimoroni.com Purveyors of fine Maker goods worldwide and creators of fun, useful, and educational electronics for all skill levels. Come play with us! 🏴☠️
Andy H 🇬🇧🇺🇦💜 @wh-y.bsky.social Andy’s the name, IT Security is the game.
Experience in all kinds of tech stuff - spanning many years. opinions=own
Human (but don’t hold that against me)
Cthulhu Answers @cthulhu-answers.bsky.social You will find me at @cthulhu.network
Phyu @phyushin.bsky.social 
Scott McGready @scottmcgready.bsky.social Maker, breaker, fixer, faker | Hacker, writer, keynote speaker | Mediocre engineer | As seen on TV | Musician | Co-Founder Damn Good Seucritu | Hack Thursday/Hack Glasgow organiser | Anti-leafblower 🐿
Taller than Jake Moore™
Cyber House Party @cyberhouseparty.bsky.social 
Mike W @mike.helix-labs.io Cyber Security doer of things | Bass guitarist | Football fan | Dad
https://medium.com/@Mike.Whitehead
Moosey McMooseFace @moosesec.bsky.social Disgruntled old northern git who does security type things.
BSides Leeds @bsidesleeds.bsky.social BSides Leeds 🦉- 13th of June 2026. Cloth Hall Court, Leeds, UK! ✨❤️
DEF CON @defcon.bsky.social The world’s premier hacker conference. Serving the global hacker community since 1993.
Defcon.org
Forum.defcon.org
Defcon.social
Phat Hobbit @phat-hobbit.bsky.social CISO Inversion6.com, CTO Octopi Managed Services, CyberEd Board Member, Gartner Peer, Defcon SOC Goon, Amateur Dentist & Infosec Fashionista - opinions expressed are my own.
Cthulhu Answers @cthulhu.network 
Glenn Pegden @glenn.pegden.com Good Guy Hacker, Dad, App Sec / Vuln Man / Pentest specialist and leader, conference organiser, volunteer, speaker and attendee, retro gamer, Blackburn Rovers and Leeds Knight fan ….. hacker
http://Glenn.pegden.com/findmeon
Lisa Forte @lisaforte.bsky.social Cyber security, climbing, caving and diving! 💜
Marcus Hutchins @malwaretech.com threads.com/@malwaretech
https://linkedin.com/in/malwaretech
https://marcushutchins.com
TomNomNom @tomnomnom.com Computer booper and food enthusiast. He/him.
Random Robbie @what-security.co.uk #infosec | #exploiter | #asm | fox | #LFC | scanner of the internet | #wordpress exploiter | #greynoise lover. | #Bugbounty hunter | Northerner | #UK
UK_Daniel_Card @mrr3b00t.bsky.social 
Alex Chapman @ajxchapman.bsky.social Full Time #BugBounty Vulnerability Researcher
https://blog.ajxchapman.com
Alexander Martin @alexmartin.bsky.social Journalist covering cybersecurity and intelligence. UK Editor at The Record from Recorded Future News. Dad of two.
🏠 Sheffield
📧 alexander.martin@therecord.media
📱 Signal: AlexanderMartin.79
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
SeanWrightSec @seanwrightsec.com Principal Application Security Engineer focused on all things #AppSec. Occasionally dabble in my own research. Also keen gamer and aspiring photographer.
Happygeek @happygeek.bsky.social Veteran cybersecurity journalist and hacker, senior contributor at Forbes.com, contributing editor PC Pro.
James Kettle @jameskettle.com Director of Research at @portswigger.net
Also known as albinowax
Portfolio: https://jameskettle.com/
Nick Drage @sonofsuntzu.bsky.social Co-author of Random The Book: https://randomthebook.com/2026/05/29/its-here/
I'm abstractly interested in many things: https://blog.sonofsuntzu.org.uk/about
Nyctophile.
—>realhackhistory.org @bsky.realhackhistory.org O͖̺͊̕͡ͅfficial bluesky for realhackhistory YouTube channel & blog, skeeting the #history of phreaks, #hacking & #hacktivism as well as portrayal of hackers in media. I do some threat intel & OSINT. No AI used. Hobbyist #skystorian.
https://realhackhistory.org/
Graham Cluley @grahamcluley.com Award-winning #cybersecurity keynote speaker, writer, podcaster | Host of multi-award-winning @smashingsecurity.com podcast.
❤️ #DoctorWho, #Beatles, #Chess
He/him
🌐 https://grahamcluley.com
🎙️ https://www.smashingsecurity.com
@sailingbikeruk.bsky.social @sailingbikeruk.bsky.social Ex sailor, ex biker, long suffering Stoke City supporter.
Infosec, Football, Politics, ShitPosting
Mintynet @mintynet.com CVE-2023-29389 - CAN injection on Toyota vehicles, ironically had car stolen in 2022 via method previously found on 'secret' vehicle in 2018!
Also follow @bigrinnyo.com
https://www.mintynet.com/
https://github.com/mintynet
Dave McK @davewm.bsky.social Cyber, IT, Geek, may or may not be Batman. Speaker. mentor, doer of good deeds. My comments are my own or stolen and not the views of my employer or cat.- F F/Dubsox @funsox.bsky.social Name is Funsox. A friend to Coleen and I stand by her. Comes running with a shovel when she calls !
Old skool hacker. Into retro things. Has a sense of humour. Promoter of all things 2600. Andrew Hojman victim. This is my only account here.
David @tia568b.bsky.social Infosec geek, all views expressed are my own, all anecdotes fiction and any resemblance to persons living or dead is purely coincidental. Chaotic good. He/him
Ryan @chick3nhawk01.com Sr. Threat Intelligence Consultant @NCCGroupplc | Ex Org @bsidesncl | ThreatIntel | Views are my own
Joe Gardiner @thecyberjoe.bsky.social Lecturer in Cyber Sec of CPS (ICS,OT, IoT) at the University of Bristol. Director and Instructor at @hacktonics.bsky.social
AnguaSec @anguasec.bsky.social Fuelled by caffeine and anxiety.
Lady Cyber Rosie 🧚♀️ @ladycyberrosie.bsky.social th4ts3cur1ty.company Magical Genie Person 🧚♀️
Former/Recovering Cyber Security Recruiter
BSides Lancashire Founder
Responsible adult for BSides Leeds
Supporter of the Infosec community
Working Parent
Unded Inside @undedinside.bsky.social Cyberpunk Magnetic Operator #LolzCrew. IT helpdesk analyst who writes cybersec guides as a hobby. (He/him) 🍉🌻
Binarysleeper @binarysleeper.bsky.social Infosec bod, thinker of silly thoughts
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
barsteward @barsteward.bsky.social The world’s on fire, so let’s grab some marshmallows and not take everything so seriously. #UK based, working in hardware security hacking. Into #Infosec, #Standup #Comedy, and bad puns.
Twitter: @barsteward
Mastodon: @barsteward@infosec.exchange
Robin Bradshaw @en4rab.bsky.social Cybersecurity and hardware hacking
Nikki Webb @nikkic360.bsky.social Happiest by or in the sea 🖤🌊 Global Channel Manager for MSSP Custodian360, part of The Cyber House Party team, Volunteer at The Cyber Helpline. Total cat lady 🖤🖤🖤🐱🐱🐱
Bigrinnyo @bigrinnyo.com I'm the cheeky mascot for #CarHackVillageUK, I like cooking, eating and #BigiHugs www.bigrinnyo.com
Also follow @mintynet.com
Roachy @roachy.net Herder of cats, wrangler of packets, jack of some trades. RFC 3514 compliant. @DC151.org co-(dis)organiser.
Not really a cow
Alan @ukcougar.bsky.social Geek
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/
Katie Paxton-Fear @insider.phd Dr, apparently. Security Adovcate @semgrep & Hacker. #BugBounty hunter & #infosec YouTuber. APIs & Interlinked OffSec, PhD in AI+Sec @hacknotcrime. she/her
Alec Muffett @alecmuffett.bsky.social everybody deserves good security.
https://alecmuffett.com/about
Sarah Young @sarahyo.com Ex - Security & AI stuff @ Microsoft | Co-host of @azsecpod.bsky.social | Dogs, food and cyber security posts | Opinions mine, not my employer's | 🇬🇧 living in 🇦🇺 | Sarahyoung.io
Rik Ferguson @rikferguson.com Immigrant. VP Security Intelligence @Forescout, Co-founder @RespectInSec. Board @vaultree, Cybersecurity Futurist, Researcher, Award-winning writer/producer. He/Him. Pussy in bio.
Substack - Ferguson.ink
Slava Ukraini 🇺🇦
Dan Conn @danconn.dev Staff Platform Security Engineer by day, bad musician by night. Also Hacker, Coder, Runner, Feminist.
5x Marathon Runner, 2x HM, 2x 10k🏃
Personal Acc.
https://danconn.dev
Daniel Cuthbert @dcuthbert.bsky.social Ageing hacker, long time documentary photographer. Black Hat Review board. Now sitting on numerous government cyber security boards so I guess that means I’ve grown up right?
Matthew Di Ferrante @mattdf.bsky.social software engineer, vuln finder // into machine learning, formal methods, cryptography, pure maths, finance, game theory // links/contact: https://mattdf.com // twitter: @matthewdif
Chris Boyd @paperghost.bsky.social Award winning security researcher | Microsoft MVP x7 | Google Hall of Fame | Music & video creation |
Hacktics and Telemetry Producer |
UK Immigration (family reunion)
https://soundcloud.com/umawing
XPN @xpnsec.com Hacker for hire at @specterops.bsky.social
Blog: https://blog.xpnsec.com
Tim Brown @timfsbrown.bsky.social Journalism dude for @Oregonian / OregonLive. Frenchman. Internet veteran. Hub City made me.
Scott Helme @scotthelme.bsky.social Hi, I'm Scott Helme, a Security Researcher, Entrepreneur and International Speaker. I'm the creator of Report URI and Security Headers, and I deliver world renowned training on Hacking and Encryption.
https://scotthelme.co.uk
Tom Quinn @tomquinn.bsky.social Number cruncher. Story teller. Coalition builder. Vision setter.
Working to build a better future and drive emissions down as fast as possible.
#atypoineverypost
#climate #energy #economy #IntRel
Posting from Dja Dja Wurrung Country
hackerfantastic.crypto @hackerfantastic.bsky.social Co-Founder https://hacker.house cyber security assurance & hacker training ~ ISBN9781119561453 ~ a book on professional hacking. Contact for competitive quotes on cyber security projects. 
Mark C @largecardinal.bsky.social Logician (PhD), Quantum Hacker, ML miscreant. Feral academic. Co-founder of Quantum Village @ DEF CON
Sam Swift 🏎️🎧🦊 @safesecs.bsky.social Cybers. DJish. Conwife. Nephophile. F1 Diva. Opinion Owner. Karaoke Disaster. ChiefDataSnarkist. She/Her/Bird.
BSidesNCL, BSides Leeds and BSides Lancs witch. DC SOC Goon 🌈🏳️⚧️Ally.
HollyGraceful @hollygraceful.bsky.social I climb stuff and I hack things.
zseano @zseano.bsky.social @zseano
Alan Woodward @profwoodward.bsky.social Computer Scientist interested in cyber security and quantum computing 
Chris Truncer @christruncer.bsky.social Deputy Chief Red Team @ CISA && BJJ && Open Source Dev
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
James Bore @coffeefueled.org My book's great, go buy it: https://sbbooks.store/cybercircuit
"...sartorially he’s what you’d get if The Doctor decided to park the Tardis and spend some time in cyber security." - Andrew Peck
Taz Wake @tazwake.bsky.social DFIR & Threat Hunting Professional | SANS Course Author - FOR577 Linux IR Class | Certified SANS instructor | Incident Responder | I have no access to DMs.
Tautology @tautology.uk @tautology0
@tautology@infosec.exchange
@tautology.uk
vi is the best editor. The Oxford comma is totally superfluous and does not need to be used in 90% of cases. "Die Hard" is not a Christmas film. "Internet" is a proper noun.
Bitquark @bitquark.io 🥷 British hacker and coder
✨ Space and language nerd
🎩 Black Hat EU review board
🐈 Neurodivergent. Poly. He/him.
🛠️ https://github.com/bitquark
Nathan Jones @pixelatednathan.bsky.social Senior Policy and External Affairs Lead at the National Care Forum. ✝️. Views my own!
Rag @ragsec.bsky.social Long before time had a name, the First Spookjitsu Master created Rag using four surveillance agencies. | Co-Founder, ConInt & NoPainOnlyPlane | CTI/OSINT
Mostly gonna post 40k stuff
@clarkee.co.uk @clarkee.co.uk 
Cooper @ministraitor.bsky.social Dutch software dev who spends his free time travelling all over the place to film a whole bunch of (mostly) security conferences.
Vic @vicharkness.bsky.social Big nerd, @bsidesbsk.bsky.social organiser
Robin @digi.ninja Hacker, coder, climber, runner, triathlete.
Always learning.
Co-flounder of SteelCon
B:\a.zza @mcbazza.com I.T. geek. Does things with computers/tech.
All views are own. Don't take seriously. Or, should you?
Servant to 5x cats. He/him
You may know me as 'mcbazza' on the bird-site
James Ogden @jamesog.bsky.social 
Neil Johnson @iamtweek.bsky.social Internet security geek, rugby fan, Dad, collector of way too many t-shirts, has been known to dance in shops. 
Lisa Ventura MBE FCIIS @cybergeekgirl.bsky.social 💻 #CyberSecurity & #AI geek, writer & speaker
👩 Founder of #AICyberSecAssoc and #NeuroUnity
❤️'s #MartialArts #Films #SciFi #QueenBand #FreddieMercury #Tech #RetroComputing
🧠 #OpenlyNeurodivergent #Autistic #ADHD
Ian Murphy @ianmurphy.bsky.social He/him/his. Cat butler. Shuffling with a bovine grace 🐄 
charlie 🐱 (they/them) @charlieamber94.bsky.social part robot, all panic, no disco. keeping it weird since 94. mecm engineer. 🏳️🌈
SeCURiTY NiHiLiST @autom8on.bsky.social Offensive security nut job (you don’t *have* to be mad to work here, so I’m told 😝). Lock collector, and occasional locksport competitor. Appropriately obsessed with dogs…
Victoria Walberg @vickyjo.bsky.social Insomniac security & tech geek.
Lancashire lass in The Netherlands, via Brighton, London, and Switzerland.
Tweeting in a personal capacity.
Mike Somers @mwsomers84.bsky.social Cyber Security professional, consultant, PCI-DSS, Co-Founder of BSides Lancashire, Dog-Dad to a Cockapoo, Marvel fan,
Stevǝ @northvein.bsky.social Hacker in corpo infosec | Detection & Response | CTI | Vulnerability Management | Security Architecture