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.
🌞Enjoy The Day🌞 @enjoytheday.bsky.social Never pass up an opportunity to be kind Melbourne, AU
Lily Canter @lilycanter.bsky.social Freelance running and adventure travel journalist. Writes for Adventure.com, Runner's World, TechRadar, Metro.
Ultra runner and UK Athletics women's running coach.
www.lilycanter.co.uk
Order Ultra Women now! https://www.amazon.co.uk/Ultra-Women-Trailblazer
BigFeetBigHeart @penpensl.bsky.social Open water/cold water swimmer, rides a bike, runs a bit, lifts weights. Vegan. Tea drinker. Bad at taking photos. Mum & Wife
Maurice Fitzgerald @mojofitz.bsky.social A refugee from Twitter, looking for a fresh start away from hateful posts and interminable adverts. A parkrun addict & fan of lots of sports including football ( especially Crewe Alex), horse racing, cricket. I have to solve Wordle and Nerdle every day.
Georgina Kent @georginadoodles.bsky.social Artist 👩🏻🎨 Mummy 💖 Cat mum 🐈⬛ Gamer 🎮 Board game geek ♟️ Socialist 🥰 Ally 🏳️🌈🏳️⚧️ 🚫AI
www.georginadoodles.com 🇬🇧🏴
Like what I do but don't have space for artwork? https://ko-fi.com/georginadoodles
Montane Spine Race @spinerace.bsky.social The MONTANE Spine Race is one of the world’s toughest endurance events. Truly EPIC races every winter and summer. #britainsmostbrutal #spinerace
David Irwin @davidirwin.bsky.social 120 marathons
10 ultras (inc B2B comrades)
500+ parkruns & volunteering
Reluctant Triathlete
Going for Brathay10in10 😳
Lover of Zwift
Mo Amin @infosecmo.bsky.social Work: Cyber Security - Minimise the burden. Optimise for balance. Interested in lots of things.
BSides Leeds @bsidesleeds.bsky.social BSides Leeds 🦉- 13th of June 2026. Cloth Hall Court, Leeds, UK! ✨❤️
Slow Ways @slowwaysuk.bsky.social What if we created the ultimate walking, running, wheeling, cycling and horse-riding network for Britain and Ireland? Up for helping?
linktr.ee/slowwaysuk
www.slowways.org
Martin Elcoate @melcoate.bsky.social Volunteer for The Green Runners; low carbon running & birding in Devon, mostly in squares.
Running in Squares - my blog for the OS
https://linktr.ee/MartinElcoate?utm_source=linktree_profile_share<sid=0a99957a-af9c-4481-81d1-6ba562fb06ff
Peter Hampshire @peterunner.bsky.social Runner, music lover & 🐕 owner. Critical Care & Anaesthetic Consultant @ Royal Liverpool Hospital.
Div Medical Director @ Liverpool Women's Hospital. He/Him
Marcus Tettmar @tettmar.bsky.social CTO/cofounder untied.io (tax tech). Cofounder/lead dev nerdlegame.com. Founder mjtnet.com (RPA). Classta class booking platform: https://classta.co . Dad, Runner, Music in between: jamarca.band
Firefox @firefox.com The only major non-profit backed, people-first browser ️🔥
Sir Michael Take CBE @sirmichaeltake.bsky.social The former Conservative MP for Dorset East.🇬🇧
Andy Gill @zephrfish.yxz.red Defcon goon, Adversarial Architect. Photography, Driving, Blog and general purveyor of chaos. Metal/DnB Fan creator and owner of https://lms.zsec.red
The Future Forest Company @futureforestco.bsky.social 🌳 We do award-winning landscape scale nature restoration and reforestation projects to fight climate change and help nature thrive. Certified B Corp.
https://thefutureforestcompany.com
🐝 #peatland #wetlands #trees #biodiversity #carbon #climate #nature
The Wildlife Trusts @the-wildlifetrusts.bsky.social Sharing nature stuff, stories & news from The Wildlife Trusts - our goal is nature's recovery on land and at sea. Posts by The Wildlife Trusts comms team.
Woodland Trust Scotland @wtscotsocial.bsky.social
🌳 The Scotland arm of the UK's largest woodland conservation charity.
💚 We create, protect & restore native woods & trees for people & wildlife, to combat climate change & build a greener future.
🌐 www.woodlandtrust.org.uk/scotland/
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.
njcve @njcve.bsky.social Bishop Fox || GoogleVRP (UK): 5th || HackerOne UK Ambassador || AWC UK Hacking Team
Jay @jayharris-sec.bsky.social Founder, pen tester, researcher @ digitalinterruption.com
Really good at breaking things, now trying to figure out how to make things!
Ian Murphy @ianmurphy.bsky.social He/him/his. Cat butler. Shuffling with a bovine grace 🐄 
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. 
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?
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/
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
—>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/
Happygeek @happygeek.bsky.social Veteran cybersecurity journalist and hacker, senior contributor at Forbes.com, contributing editor PC Pro.
Random Robbie @what-security.co.uk #infosec | #exploiter | #asm | fox | #LFC | scanner of the internet | #wordpress exploiter | #greynoise lover. | #Bugbounty hunter | Northerner | #UK
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
Damian Shields @damianshields.bsky.social Scottish Landscape Photographer and Deputy Picture Editor at the Herald,Times & National. Prints and enquiries at www.damianshields.com
Nico @nico-copper.bsky.social Photography, Science Art and Literature Appreciation, Werd Nerd + clouds, rocks, and cool bugs along the way.
Senior #Runner
No Politics, No Religion Too - Imagine
_______________________________________
Mira🌺 @deepgreens.bsky.social Photography enthusiast.
I post my own photographs from beach walks, travels, and just because…
No AI, just my eye, Canon EOS, Olympus OM, and IPhone Pro Max.
#BeachLife
BSides Birmingham @bsidesbirmingham.bsky.social 
Yeray Portela @reverbcenital.bsky.social Fotografía📷
ZAP by Checkmarx @zaproxy.org The Worlds Most Popular Web App Scanner.
DESIGN THINKING! Comic @designthinking.lol Comics pulled kicking and screaming from a designer’s head.
https://designthinking.lol
Free comics newsletter: https://designthinkingcomic.substack.com
Patreon: https://www.patreon.com/cw/designthinkingcomic
Nicki Lygo @drlygo.bsky.social Acute medicine resident doctor
Spine Race Systems & Performance Lead
European
Proud to be woke
Science
Van tripper
She/Her
Love is love 🧷 #EndDuchenne
Adharanand Finn @adharanand.bsky.social Author of Running with the Kenyans, The Way of the Runner & The Rise of the Ultra Runners. That's a lot of running.
Andròmines de paper @pandromines.bsky.social Un moment, un detall, una història que no et pots treure del cap.
@peakdistrictrunner.bsky.social @peakdistrictrunner.bsky.social Happiest outdoors in all weather🌧️
Animals and birds over people🐮🦉
Qualified lifeguard 🏊 Cat mum to3
Somewhere where no one else is .
Ultra Damo @ultradamo.bsky.social GB ultrarunner (NNormal), coach, author, activist, tea addict, @thegreenrunners.bsky.social +Into Ultra co-founder,
https://www.ultradamo.com/
Galw y mynyddoedd Ⓥ @galw-y-mynydd.bsky.social 📍 Donosti, Euskal Herria
"Itzala emateko
Argia jaso behar da"
The Rivers Trust @theriverstrust.bsky.social We are river and catchment conservation experts; a UK & Ireland charity fighting for a cleaner, healthier and wilder rivers. We are together, for rivers. 👊
Stop Hacklore! @hacklore.bsky.social Visit us at https://hacklore.org today, and don't forget to sign up for the newsletter at https://buttondown.com/hacklore!
Adela @adelapazos.bsky.social Black, White and the whole range of Grays
Mmm... You can't squeeze blood from a turnip, but that's what there
North Wales Wildlife Trust / Ymddiriedolaeth Natur Gogledd Cymru @northwaleswt.bsky.social Working to bring nature back in North Wales
Gweithio i ddod natur â nôl yng Ngogledd Cymru
www.northwaleswildlifetrust.org.uk
image: Mark Hamblin/2020VISION
Crystal @ Ciss Outdoors @cissoutdoors.bsky.social Independent outdoor publication shaped by time spent outside.
Hiking, outdoor travel, judgement, and gear that earns its place.
Long-form articles at www.cissoutdoors.co.uk
Hack Glasgow @hackglasgow.bsky.social People make Glasgow, but together we Hack Glasgow.
Stephen King @stephenking.bsky.social Writer
Ambabheg @ambabheg.bsky.social Scotsman exploring overlooked light and shadow, using unexpected perspectives to create fine art photography.
Edges fade to mist,
shadows fold into the frame,
truth drifts into trace.
Prints and portfolios available at Fotosbyfaj.com
Steve Lovell @steviesingsabit.bsky.social Retired international minigolfer, likes the odd beer, cheese, exploring, cheese, lists, cheese, old football shirts and cheese.
And cheese.
And just started parkruns with a cheese chaser.
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
The Green Runners @thegreenrunners.bsky.social We are running out of time. We are a community of runners making changes for a greener future.
https://thegreenrunners.com
Lily Hay Newman @lhn.bsky.social Security reporter for WIRED Magazine. she/her/my man. Signal +1 (347) 722-1347
Marcus Hutchins @malwaretech.com threads.com/@malwaretech
https://linkedin.com/in/malwaretech
https://marcushutchins.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).
Read before You Ultra @readbeforeultra.bsky.social Sharing fun-sized quotes about running crazy-sized distances. Subscribe to my regular-sized newsletter!
✍️ → readbeforeultra.substack.com
💙 → buymeacoffee.com/ReadbeforeUltra
#running #trailrunning #ultrarunning 
BSides London @bsideslondon.bsky.social 📅 13 Dec 2025 | 📍 Novotel London West
Grassroots-driven security conference.
Built by the local InfoSec community, for the community.
Web: https://BSides.London
X/Twitter: https://x.com/BSidesLondon
#BSidesLDN2025
@parkrunuk.bsky.social @parkrunuk.bsky.social 
Randall Munroe @xkcd.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
Kevin Beaumont @doublepulsar.com cybersecurity weather man. scanning the horizons for cloudy cyber. Expert at nothing except computer rubbish. Anti-ransomware since 2015.
Kathryn McCreedy @kathrynm1991.bsky.social • @rcn.org.uk Northern Regional Officer • Registered Children’s Nurse - Former A&E Nurse & Allergy Specialist Nurse • #FairPayForNursing #SafeStaffingSavesLives
NCSC UK @ncsc.gov.uk We are the National Cyber Security Centre – part of the UK’s intelligence & cyber agency GCHQ. We help to make the UK the safest place to live and work online.
Jason Koebler @jasonkoebler.bsky.social Journalist @404Media.co
Signal: jason.404 // email: jason@404media.co
@tgkruns.bsky.social @tgkruns.bsky.social Runner, professor, author
Lymphoma Survivor
Joe Tidy BBC News @joetidy.bsky.social Cyber Correspondent, BBC News. Author of Ctrl+Alt+Chaos. I cover cyber security, online safety, crypto, AI, social networks and everything 💻📱📡. Global news mainly. DMs always open for tips/ feedback.
X2Y @x2y.tech Cybersecurity | Finance Protection | Digital Safety Guides | Tech Insights
Jenn @ ChargeToTheParks ⚡️ @chargetotheparks.com ✍️ @CleanTechnica.bsky.social Author
⚡️🛻 Electric RV and towing
👩👩👧👦🐈⬛ Traveling w/ Laura, Mouse & kids.
📍 chargetotheparks.com
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 *
Gerald Benischke @beny23.github.io Maker, breaker and fixer of software. Adventures in #appsec and #agile: beny23.github.io he/him
Paul S-H @pauls-h.bsky.social Founder of parkrun
Jayson E. Street💜🤗💜 @jaysonstreet.bsky.social Hacker - Helper - Human
JaysonEStreet.com
@bsidesncl.bsky.social @bsidesncl.bsky.social 
Mick @mickz13.bsky.social Scottish Glasgow lad.
"You'll never gain a better qualification for life than what some of us have lived"
RSPB @rspb.bsky.social Filling these blue skies with birds, and saving nature while doing it.
🦅🦆🦉🐦🐤🐧
Our Website: https://brnw.ch/21wQQ1O
Cover photo: Aintright 📷
rnbwkat 🏳️🌈 @rnbwkat.bsky.social BSidesChicago Lead, Drummer, hacker, skydiver, photographer, lover of fine tequilas & Dancing Flamingos. Teller of PopTart tales!
Susie Dent @susiedentwords.bsky.social Always in the Corner
The Register @theregister.com Your favorite enterprise technology news vultures, flying high in the Bluesky – On the web since 1998 – More here: https://www.theregister.com/
SteelCon @steelcon.info SteelCon is a family friendly hacker conference in Sheffield.
Next event is July 2026.
OWASP® Foundation @owasp.org We improve the security of apps with community-led open source projects, 260 local chapters, and tens of thousands of members worldwide. Famous for OWASP Top 10
grom @grommoss.bsky.social Pretending to be a responsible adult in the cyber community
BSidesLeeds organiser. Provider of reliable adulting skills to cybersec community events.
https://linktr.ee/grommoss- 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.
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.
@thesmartass83.bsky.social @thesmartass83.bsky.social 
OWASP Manchester @owaspmcr.bsky.social OWASP Manchester, UK chapter. Quarterly meet-ups posted here.
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
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
Adrian Edmondson @adrianedmondson.bsky.social Berserker!
Out now from all good bookshops, and bad ones, and ones in between.
Dafydd Stuttard @dafyddstuttard.bsky.social Founder and Chief Swig at PortSwigger. Creator of Burp Suite and the Web Security Academy. Author of The Web Application Hacker's Handbook.
Burp Suite @burpsuite.bsky.social Burp Suite is the leading software for web security testing.
PortSwigger Research @portswiggerres.bsky.social Web security research from the team at PortSwigger.
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
Robin @digi.ninja Hacker, coder, climber, runner, triathlete.
Always learning.
Co-flounder of SteelCon
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
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