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.
NCC Group InfoSec @nccgroupinfosec.bsky.social Insights and research from our global cybersecurity team.
https://www.nccgroup.com/us/research-blog/
@huntfortheprecious.bsky.social @huntfortheprecious.bsky.social Relentlessly pursuing the unseen and uncovering what’s hidden, I’m a cyber threat hunter with a flair for the navigating threats like a ranger hunting for the Precious in the dark corners of Middle-earth.
The Voice of Cyber @corpstigris.com Cybersecurity & Infosec | Gov, Risk & Compliance | Project & Risk Mgmt | Workforce Training | Cisco & CompTIA instructor | AmericanMensa | Posts are mine
Phyu @phyushin.bsky.social 
z0mbi3 @z0mbi3.bsky.social The World's most prolific procrastinator.
Runs 1/3 of @dc44131.
My role is to raise problems, not have solutions.
My opinions aren't even opinions!
Michael Maclean @mgdm.net Developer, software architect, former sailor, occasional photographer, sometime cyclist, full-time geek. He/him.
Sam Stepanyan @securestep9.bsky.social OWASP London Chapter Leader. #OWASP Global Board Member. OWASP #Nettacker Project Leader. #AppSec Consultant, #CISSP. Follow me on Twitter/X and Mastodon https://twitter.com/securestep9 https://infosec.exchange/@securestep9
Ben Findlay @teescdf.uk Senior Lecturer @ Teesside University in Computer and Digital Forensics. Previously @ North Yorkshire Police Digital Forensic Unit. ORCID: https://orcid.org/0000-0001-8747-3772
#digitalforensics #cybercrime #ukpolicing
I use Arch BTW
Steven Folek @pir00t.bsky.social *insert caffeine to start* | Sr. Principal Security Analyst | DFIR | CTI | RE dabbler | Odd bit of banter and other musings
@infosecgreybeard.bsky.social @infosecgreybeard.bsky.social Grumpy old InfoSec beard. Whether it's physical security or grumbling about firewalls and governance, I ramble about it all.
gabsmashh @gabsmashh.bsky.social security engineer | 1L JD Candidate | NYU alum |
@redgoatcyber.bsky.social @redgoatcyber.bsky.social 
Lauren Spokes @laurenspokes4.bsky.social 
Klaus Agnoletti @klausagnoletti.bsky.social Infosec pro gone with a broad profile. I try to post mostly infosec and not politics. Hard task. Posts are my own. Get in touch.
BSides Cheltenham @bsideschelt.bsky.social Watch this space 👀🍩
BSides Birmingham @bsidesbirmingham.bsky.social 
Ossprey Security @ossprey.bsky.social Stop Malicious Code. Not Engineers.
AI-powered detection of malicious open-source packages in package manages such as npm and PyPI.
http://www.ossprey.com
UK Hacker Charity Sticker Stall @stickerstalluk.github.io Helping hackers get stickers and charitites get donations, at UK Hacker/Cyber events. More info at https://stickerstalluk.github.io
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
Hack Thursday @hackthursday.bsky.social Glasgow. Dinner, Drinks, and Cyber Chat / 3rd Thursday of every month at The Rhoderick Dhu. DMs open. New speakers/attendees welcome! #KatsuChickenBurger
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 *
Hack Glasgow @hackglasgow.bsky.social People make Glasgow, but together we Hack Glasgow. Returning Saturday 15th August 2026.
Biohacking Village @handle.invalid Where healthcare meets cybersecurity. We unite hackers, researchers & industry to secure medical devices, explore vulnerabilities, and build trust in connected health. Everyone is a patient.
Learn more: villageb.io
Bart Thijssen @bartthijssen.bsky.social Master of (Keeping/Stealing) your Secrets | Security Advisor & Intel Analyst | Civil Servant @ BE | Klopjacht-speurder | IT Eng. + Pol. Sci. | Posts my own
Z1SK0🇬🇱 @z1sk0.bsky.social Infosec analyst.
"La bêtise c'est quelqu'un qui vit et qui dit ça me suffit" - Jacques Brel.
Los "-ismos" me parecen una perdida de tiempo.
Langweile mich nicht bitte 😎
💙🌊🗽🏳️⚧️🏳️🌈🇪🇸🇩🇪🇫🇷🇵🇸🇺🇦💻✈️🎸👽- S DodgeThisSecurity @shotgunner101.bsky.social Computer Security Professional. Tweets are my own.
Rooster Teeth Archive Project:
https://rtarchive.org/videos
Blog: dodgethissecurity.com
Low Society @metacapitalism.bsky.social Deeply committed to opposing MAGA. my pup, books, TV, old movies, jazz, rock, and classical music, beach walks, writing (fiction and non-fiction), abstract painting, stone sculpting, deep sleep, and non-violent villainy.
Delcio 😎 @godelcio.bsky.social Father 🙅♂️🙅♀️ Dev & Cyber, I like computers and tech 💻 Lifelong learner 📚 Respect for Life and Diversity. Living and learning. Views are my own.
Steven @autodiscover.ltd Infosec focused, jack of all trades sysadmin turned product lead
https://techfoundry.co.uk
@bsidesncl.bsky.social @bsidesncl.bsky.social 
CyBOK - The Cyber Security Body Of Knowledge @cybok.bsky.social A resource for the academic and professional cyber security community, by the community.
cybok.org
Jo Peterson @cleartech.bsky.social Engineer who helps clients scope, source and vet solutions in #Cloud #cloudsecurity #aisecurity| #ai|Tech analyst| VP Cloud and Security|USAF vet| 📚Learning from CIOs and CISOs on the daily| 💕 of NY Times Spelling 🐝
Linked In: LinkedIn.com|in|JoPeterson1
NatureHopper @naturehopper.bsky.social Tech-savvy with a passion for democracy, privacy, and cybersec. Fitness enthusiast and health advocate. Love hiking, history, nature, and gadgets. Big fan of movies and NBA. Let's connect and share our love for tech and the great outdoors! <AI-generated>
Mat Rollings @stealthcopter.bsky.social Bug bounty hunter, AppSec engineer and CTF player.
Developer of PortDroid, deepce, Nexus Revamped and some other junk
Phil Jackman @philjackman.bsky.social Citizen of nowhere, catherd, chaser of lost causes, proud AGC member. European. www.guerrillaworking.com
David @ InnoVirtuoso @innovirtuoso.bsky.social Blog @ www.InnoVirtuoso.com | InfoSec, Cyber, AI Enthusiast | I write about Tech and News, AI, BCI, and other IT stuff.
Contact me at 📧 info@innovirtuoso.com
Smashing Security podcast @smashingsecurity.com Funny award-winning weekly podcast about hacking, cybercrime, and privacy with @grahamcluley.com.
https://www.smashingsecurity.com
👕 Merch https://www.smashingsecurity.com/store
Patreon: https://www.smashingsecurity.com/plus
Dave Ockwell-Jenner @daveoj.bsky.social VP, Information Security @ Arctic Wolf. I make sure the dentist has good teeth. Recovering developer, repentant pentester, and a DJ! Views are my own, not those of my employer.
Brian Whelton @brianwhelton.bsky.social Network/Security chap, guitarist, cert junkie, F1 fan, festival, gig & conference attendee.
I stroke cats & drink tea!
All views are possibly mine...
Drahcir_rahl 🇺🇦 (Richard) @drahcirrahl.bsky.social DBA | Hacker | Code Monkey | Sysadmin | Foodie | Spicy Food Nut | IT juggernaut | Hardware Junkie | SBC/MCU/Electronics tinkerer | Metalhead
Make kindness happen. He/him. I work for a car wash, and it rocks.
https://linktr.ee/drahcir_rahl
V_To_The_K 🅅 @v-to-the-k.bsky.social 'Give a man a 0day and he'll have access for a day, teach a man to phish and he'll have access for life.'
silverphish🏳️🌈 @silverphish.bsky.social I make fun hacker things
Bump the lamp
Guy @guy.fabron.org A passionate and pragmatic cyber security professional. Finding secure solutions in a social and sharing world. Views are my own.
Bluesky @bsky.app official Bluesky account (check username👆)
Bugs, feature requests, feedback: support@bsky.app
Manchester2600 @2600manchester.bsky.social Manchesters monthly 2600 meet-up. First Friday of the month at Piccadilly Taps. No talks, social only, all are welcome!
BSides Las Vegas @bsideslv.org BSides Las Vegas will take place August 3-5, 2026
Las Vegas · bsideslv.org
BSides Basingstoke @bsidesbsk.bsky.social BSides Basingstoke! Annual event on Friday 31st July 2026.
Website: https://www.bsidesbasingstoke.com/
caitríona @cait.siorc.eu A queer trans socialist from Ireland. Baker and tech person. 27. Can also be found on Mastodon, might be more active there soon.
🏳️⚧️💊 17/03/2025
She/it
mike 🐬 @pizzaonsec.bsky.social 🇪🇺 🇮🇹 🏴 cyber 🥔. startup survivor 🫂. Dev/Sec/Ops ☁️. InfoSexy/NSFW 🔞. nature 🌿. sea 🌊. space 💫. he/him
Mike Fowler @michaelfow.bsky.social Cyber Security Professional, Security Operations, Engineering and general Cyber Security Stuff. Views are my own.
Phillip Wylie @phillipwylie.bsky.social Offensive Security Professional | Phillip Wylie Show Podcast Host | The Pentester Blueprint coauthor | TribeOfHackers Red Team | https://linktr.ee/phillipwylie
Michael Kisilenko @michaelkis.bsky.social Your go-to for tech and AI content.
Orbital Policy Group @druidorbital.bsky.social Viewpoints and opinions on policy issues relating to Low Earth Orbit, including policy, science, governance, and cybersecurity.
@ctgintelligence.bsky.social @ctgintelligence.bsky.social Security, InfoSec, Convergence, Corporate Security, EP
Web: https://ctgintelligence.com/new-events
LinkedIn: https://www.linkedin.com/company/10789484/
Super Mairio @supermairio.bsky.social Infosec unprofessional, BSides Basingstoke step-dad, full time AI hater ✨
Website: https://supermairio.me
Alt: https://bsky.app/profile/gaelicbread.bsky.social
Bran Mac Muffin @branmacmuffin.bsky.social DevSecOps dude, InfoSec investigator. 👨💻 he/him. This is me, and nothing to do with my employer. Avatar: http://jameshance.com.
Based in Newcastle Upon Tyne - I came, I saw, I stayed.
Netsec Samurai🏴 @dfirsamurai.bsky.social Label jars not people.
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
AngusRed @angusred.bsky.social Hacker | OSINT | BSides Is Death, but also Life | CPT.ZA
I headhunt hackers
PyroGuy_UK @pyroguy-uk.bsky.social Fire Spinnin Security Engineering Leader,
Breaker of things,
Builder of stuff,
Model builder,
BSidesNcl & dc44191 Elder, infosecbots
Technowomble,
Techlotmenter
he/him
Gianluca Varisco @gvarisco.bsky.social Security @ Google Cloud
Neil Williams @neillyneil.bsky.social Digital and tech exec at the BFI. Previously GOV.UK, and a tough but edifying stint in local gov. Alcohol free. Fun facts: I can't form mental images and have no inner monologue (aphantasia) nor remember my own life (SDAM). https://neilojwilliams.net
Cyb3rhawk @cyb3rhawk.bsky.social Cyb3rhawk leads threat hunting team. Interested in DE&TH, threat intel and DFIR. Always striving to make the daily grind of SOC analysts a breeze. Always eager to learn from others and lookout for new ways to streamline what I learn
Dan King @itakenaps.bsky.social 💻 Sneaky hacker by day, nap champion by night 😴 | Poppin' shells and stealing passwords 💥 | If I’m not hackin, I’m snoozing – both require serious skills! 🥱💥
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
Fight for the Future @fightforthefuture.org 👊 Battling techno-fascism with our Internet-savvy blend of attention-grabbing activism and mass mobilization.
https://www.fightforthefuture.org/2026
Mary-Ann Russon @concertina226.bsky.social 📰Tech & Science Journalist | 🏆British Journalism Awards 2021 nominee for Tech Journalism | Seen on: BBC News, ITN, The Economist, TRT World, Evening Standard, The Register, New Scientist etc🎙️📺
breakitdowngurl@pm.me
https://www.maryannrusson.com
@scadahacker.bsky.social @scadahacker.bsky.social IT / OT bod interested in protocols, frequencies and IOT/ICS security
Rikmer @rikmer.bsky.social 
SttyK @sttyk.bsky.social アーティスト、犬好き、熱烈な読書愛好家。
Jon Condra @jcondra.bsky.social Sr. Director of Current Intelligence & Hybrid Threats @ Recorded Future. China, Ukraine, general geopolitics & cyber. Opinions my own. Reposts not endorsements.
Myrtus @malwareindepth.com Malware Researcher | Developer | @Cryptolaemus1
| @NVIDIA
Will happily talk about malware with anyone.
Bosint Blanc @bosintblanc.bsky.social Threat research, musings, coffee
Curated Intel @curatedintel.bsky.social Bringing together intelligence researchers and incident responders. #TrackThePlanet 🌍 curatedintel.org
pancak3 @handle.invalid https://trac-labs.com
cyber go brrr
Chris @phage.nz High Tech, Low Life | curatedintel.org Team
Aaarghhh @udontknow.us
/Dev,\s(deep|dark)web\sLurker,\sCyber\sThreat\sIntel\sAnalyst\sby\sday\.\nOSINT-lover\sby\snight\./g
Member of @curatedintel.bsky.social.
Kostas @kostastsale.bsky.social Running ➡ http://defendpoint.ca | http://edr-telemetry.com | https://edr-comparison.com/ | http://detectionstream.com | 🇬🇷🇨🇦
seachelli @seadev.bsky.social 
S 🪩 @s0urcesmeth0ds.bsky.social 
Ben @benmcga.bsky.social security researcher | views are my own- K KrabsOnSecurity @krabsonsecurity.bsky.social reverse engineer
Nat (Karan) @disrel.com GREM | CTI Analyst & Malware Researcher | Staff at VX-Underground | PTC
Drum Cult @drumcult.bsky.social Everyone starts from point one
Shahanshah of DFIR
ari @actuallyari.bsky.social I pretend to work in Infosec, which is really just a cover for "I want to get paid to read books about geopolitics and spy shit".
Apurv @sc0rpi0n.bsky.social Threat Researcher | Threat Intel | Cybercrime Intel | curatedintel.org Member- 0 Ralph Horn @0xgan.bsky.social Data nerd lost in Cyber
Teamlead CSIRT @ DIVD
Incident Responder @ Northwave Security
Membership:
Curated Intelligence
DIVD
fastfire @fastfire.bsky.social Head of Cyber Threat Intelligence @ Würth Group, GCTI/CPENT/CEH/CND/CSA/ECSA/ECIH/CTIA, owner of SATAYO CTI platform & deepdarkCTI - member of @CuratedIntel
RYSannikov @rysannikov.bsky.social Interests include politics, cyber security, threat intelligence, wildlife conservation, history, and ice hockey. Here for information and stimulating conversation.
netbroom @netbroom.bsky.social Founder of @pulsedive.com. Creator of threatfeeds.io.
echo %USERNAME% @flying-mammoths.bsky.social Even though the sky is actually green, I’m okay being on this app 
Joe Coleman @joecoleman.bsky.social The most known unknown CTI professional in the game yo! Often imitated, never duplicated. 21st Century Renaissance Man who wears many hats: Army combat veteran, CTI Pro, Adult Fan of Lego (AFOL), video gamer, Otaku, and old-school hip-hop fanatic.
Ap @alpha-papa.bsky.social DFIR - Guy that never sleeps 🔍- N N14 @nonefour.bsky.social