Radicle @radicle.dev The sovereign forge.
https://radicle.dev
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
Phoenix by Tapbots @phoenix.tapbots.com An upcoming Bluesky Client for iOS/iPadOS & Mac from the makers of Tweetbot and Ivory.
Please don't take it personally if we don't respond often with this account. We are extremely busy working on Phoenix.
https://tapbots.com/phoenix
Tor Project @torproject.org We're a nonprofit defending your privacy and freedom online. Download Tor Browser for protection against surveillance and censorship. http://t.me/TorProject
ESET Research @esetresearch.bsky.social Security research and breaking news straight from ESET Research Labs.
welivesecurity.com/research/
Mysk 🇨🇦🇩🇪 @mysk.bsky.social We're two #iOS developers and occasional #security researchers on two continents. #CyberSecurity 🎬 https://youtube.com/@mysk 📝 https://mysk.blog 
SwiftOnSecurity @swiftonsecurity.com computer security person. former helpdesk
Jay 🦋 @jay.bsky.team Founder & Chief Innovation Officer @ Bluesky
Working on @attie.ai
🌱 🪴 🌳
PentesterLab @pentesterlab.com We make learning web hacking and security easier. Online systems, code review, videos & courses that can be used to understand, test and exploit bugs!
GitLab @gitlab.com Build software faster. The DevSecOps Platform enables your entire organization to collaborate around your code.
Guy Kawasaki @guykawasaki.bsky.social My goal is to be the most acerbic person on Bluesky.
Mirego @mirego.bsky.social 
Rémi @exomel.com 👋 Bonjour, I’m Rémi. I enjoy 🏗 open-source code, 🥪 sandwiches, 🍺 craft beer, 👨👩👧 my family, 🎧 hip-hop, ⛲ Wikipedia… and emojis.
XBOW @xbow.com Bringing AI to offensive security by autonomously finding and exploiting web vulnerabilities. https://xbow.com/
Thomas Fuchs @thomasfuchs.at 20 years ago I killed Flash with my #JavaScript library script.aculo.us. Now mostly petting cats. Also dabbling in #retrocomputing and #astrophotography.
He/him.
CaidoIO @caido.io We help security professionals and enthusiasts audit web applications with efficiency and ease
https://caido.io
Johan Carlsson @joaxcar.bsky.social Full time bug bounty hunter. Look for ”joaxcar” on other platforms
Maddie Stone @maddiestone.bsky.social Security Researcher at Google Project Zero. 0-days all day. Love all things reverse engineering. she/her
Alex Stamos @stamos.org CPO/CSO of Corridor.dev, teaching at Stanford.
ddǝɐuɐp @danaepp.bsky.social I help builders and breakers of code learn to find security vulnerabilities in their apps and APIs.
😈 Join 10K appsec hackers @ https://apihacker.blog/subscribe
Burp Suite @burpsuite.bsky.social Burp Suite is the leading software for web security testing.
Koto @kkotowicz.bsky.social Security ninja wannabe / board game geek / photon catcher
Eduardo Vela @sirdarckcat.bsky.social 
Soroush Dalili 🍏🍐 @irsdl.bsky.social Hacker (ethical), web appsec specialist, trainer, tools builder & apps breaker, X: @irsdl
https://secproject.com/
https://soroush.me/
https://burpsuite.ninja/
₦฿₭ @nbk.bsky.social Paw / Pwn / Purr
@nbk_2000
Kévin Gervot (Mizu) @mizu.re About me?
| Website: https://mizu.re
| Tool: https://github.com/kevin-mizu/domloggerpp
| Teams: @rhackgondins, @FlatNetworkOrg, @ECSC_TeamFrance
| From: https://twitter.com/kevin_mizu
0x999 @0x999.net 
0xacb @0xacb.com Hacker grinding for L1gh7 and Fr33dφm, straight outta the cosmic realm.
Co-founder @ethiack.com
https://0xacb.com
abdilahrf @abdilahrf.bsky.social CTF / Bugbounty / Web Guy
Mathias Karlsson @avlidienbrunn.se Web security fiddler. Bug bounty bastard. Sometimes I cut shapes.
m1tz @m1tzzz.bsky.social Web Security Expert | Bug Hunter | Käferjäger
P€nt€stM@nk€y @pentestmonkey11.bsky.social 
Oli (C..1..P.H.Y) @munz4u.de Infosec addicted IT guy 🕵️♂️👨💻 | HTB Guru | Researcher & Pentester 🖊️ | White-Hat 🎩 | Bugs find me 🪲 | Part of the awesome #kaeferjaeger crew 💥
Anton (therceman) @therceman.bsky.social Bug Bounty Hunter
www.therceman.dev
Arun Krishnan @winters0x64.bsky.social Web security researcher, team bi0s
CVE-2024-8143, CVE-2024-8550, CVE-2024-10649
@err0rtrig.bsky.social @err0rtrig.bsky.social 
JR0ch17 @jr0ch17.bsky.social 
Ciarán Cotter (monke) @monke.ie Irish web hacker. Founder @ Simian Security. Newsletter every week at https://monke.ie. Reach out at https://simiansecurity.com 🇮🇪/🇯🇵
Semgrep @semgrep.com Semgrep is a code scanning platform for finding first and third-party security vulnerabilities in your code base.
Dark Web Informer @darkwebinformer.com Providing Cyber Threat Intelligence from the Dark Web & Clearnet: Breaches, Ransomware, Darknet Markets, Threat Alerts, Crypto & more. https://darkwebinformer.com/socials // https://x.com/DarkWebInformer // THIS ACCOUNT IS IN PARK. PLEASE FOLLOW ELSEWHERE.
Tom Anthony @tomanthony.bsky.social Web dev since 1998. Bug bounty & security enthusiast. PhD in AI. CTO at SearchPilot - data driven SEO.
https://www.tomanthony.co.uk
Benoit Gagnon @bendageek.bsky.social Gestionnaire, conseiller en management, professionnel en sécurité, coach. Geek et nerd. J'écris pour le vent. Je fais de la photo parfois.
Deviant Ollam ツ @deviantollam.bsky.social Philadelphian in Cascadia. Vociferous champion for Oxford commas, two spaces after a period, and ellipses. I break into buildings. 🔓
"Even if the world were ending tomorrow, I would still plant a tree." 🌲
(he/they)
Kevin Beaumont @doublepulsar.com cybersecurity weather man. scanning the horizons for cloudy cyber. Expert at nothing except computer rubbish. Anti-ransomware since 2015.
Lesley Carhart @hacks4pancakes.com I am eminently qualified to speak from experience about a variety of dumpster fires.
ICS DFIR at Dragos, martial artist, marksman, humanist, level 14 Neutral Good rogue, USAF retired. I post *very serious* things about infosec. Thoughts my own. Enby. 🏳️🌈
UK_Daniel_Card @mrr3b00t.bsky.social 
Phillip Wylie @phillipwylie.bsky.social Offensive Security Professional | Phillip Wylie Show Podcast Host | The Pentester Blueprint coauthor | TribeOfHackers Red Team | https://linktr.ee/phillipwylie
garethr @garethr.bsky.social VP Product @snyksec. @openpolicyagent Conftest maintainer. Developer, designer, product. Open source geek. Devops Weekly. @gdsteam alum. he/him.
Alyssa Miller 🦄👩✈️ @alyssam-infosec.com Hacker, CISO, and commercial pilot. Certified Bluesky Elder. Author and International Speaker, Chief advocate of #DoBetterBeBetter
Compassion and empathy are traits in short supply but necessary to make this world a better place.
alyssasec.com
d0nut @d0nut.dev 🦀 Rust + Security 🔑
Michael Skelton @codingo.com VP of Security Operations at Bugcrowd, Security Content @ http://youtube.com/codingo, tools @ http://github.com/codingo. SecTalks and BSides Gold Coast co-organizer - He/Him
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
Justin Elze @handle.invalid CTO @TrustedSec.com | Former Optiv/SecureWorks/Accuvant Labs/Redspin | Race cars
Rob Fuller @mubix.com (he/him) Dad / Husband / Marine / Student / Teacher / @Hak5 / @NoVAHackers / @SiliconHBO / @NationalCCDC / @MARFORCYBER Auxiliary
Gynvael Coldwind @gynvael.bsky.social Security researcher/programmer ⁂ Managing director @ HexArcana ⁂ @DragonSectorCTF founder ⁂ he/him
Nicolas Grégoire @agarri.fr Web hacker 😈
Burp Suite Pro trainer 👨🏫
Maintainer of @mastering-burp.agarri.fr 🛠️
sshell @sshell.co propane and propane accessories
ai + security research
ccdc red team
Ello @ellopunk.bsky.social Digital Alice chasing the 🐇 down the cyber space rabbit hole.
jub0bs @jub0bs.com infosec enthusiast • Go dev & trainer • contributor to the Go project • minimalist • chaotic good • trying to make sense of the Web • he/him
Blog: https://jub0bs.com
Free Go course: https://github.com/jub0bs/go-course-beginner
Free 🇵🇸! Leave 🇱🇧 alone!
Malware Unicorn @malwareunicorn.bsky.social @Straiker. Ex-Microsoft. Ex-Meta RedTeam, Ex-Endgame, Ex Fireeye. malwareunicorn.org
HollyGraceful @hollygraceful.bsky.social I climb stuff and I hack things.
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
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
zseano @zseano.bsky.social @zseano
vortex @vortex.au I do offensive security things on the internet
Alex Chapman @ajxchapman.bsky.social Full Time #BugBounty Vulnerability Researcher
https://blog.ajxchapman.com
pwneip @pwneip.bsky.social Principal RTO @F500, SANS Instructor & #SEC565 Red Team Ops Author, Red Team Village lead, former Bishop Fox, US Air Force. Tweets are my own, memes are stolen
harisec @harisec.bsky.social Interested in web security, bug bounties, machine learning and investing. SolidGoldMagikarp
terjanq @terjanq.me security enthusiast that loves hunting for bugs in the wild. co-founder and player of @justCatTheFish.
infosec at @google. opinions are mine.
From: https://twitter.com/terjanq
Liam @leesoh.bsky.social 
noperator @noperator.bsky.social tech tasks are cool and hacking is great
Random Robbie @what-security.co.uk #infosec | #exploiter | #asm | fox | #LFC | scanner of the internet | #wordpress exploiter | #greynoise lover. | #Bugbounty hunter | Northerner | #UK
Joel Margolis (teknogeek) @teknogeek.io hacker
foxinSOCKS5 @foxinsocks5.bsky.social Recovering software engineer. Offensive security focused TPM.
Rob Ragan @theoradical.bsky.social https://theoradical.ai
jcran @cybe.rs knowledge seeker
jstnkndy @jstnkndy.bsky.social Infosec professional, beverage snob, and fantasy book consumer. Vice President @ Atredis Partners. Forever terrified of Kithicor.
Smarticu5 @smarticu5.bsky.social Cloud-native offsec at AmberWolf
Ian Coldwater 🧊🚫 @lookitup.baby Kubernetes SIG Security Co-Chair, goose in the mainframe. Minneapolis. They/them. Stay punk 🏴
MSP feed info: https://bsky.app/profile/amityf.bsky.social/post/3mrv36uo4pc2a
Rory McCune @mccune.org.uk Security geek, Containers, Kubernetes, Golang/Ruby, hillwalking
Home Page :- https://www.mccune.org.uk
Blog:- https://raesene.github.io
Jane Manchun Wong @wongmjane.com 
Andrew Martin ⚡☸️ @sublimi.no Hacker // CEO https://controlplane.io 🌐 @controlplane.io | Cloud Native Security | CISO openuk.uk | AI sec https://finos.org/ | Hacking Kubernetes https://oreilly.com/ | Ex https://tag-security.cncf.io/ & https://sans.org/ | Ex-X @sublimino
Bobby Quine @quine.bsky.social Curmudgeonly computer security person. Opinions (and the like) are mine.
Bryan White, MS Bio, MPH 🧬 @crvscience.com MS Biology, MPH, MS Cybersecurity |
Evolutionary Biologist 🪼| SciComm ✍🏻|
Bioinformatician 🖥️🧬| Public Health 🛟|
PNW 🌲|
>Art 🎨 & T-shirts 👕:
https://crvscience.com
>Books 📕 ✏️ 🖊️
https://www.amazon.com/dp/B0HCYP88H5
qdot @buttplug.engineer Teledildonticist, Arctic Fox, Cube
🍑🔌 @buttplug.io
🌐 @good.as.hell.domains
💼 nonpolynomial.com
💵 patreon.com/qdot | ko-fi.com/qdot76367
🐘 buttplug.engineer/@qdot
👾 twitch.tv/qdotfm
💻 github.com/qdot
🎶 last.fm/user/qdot
he/him
art by @gavbat.bsky.social
Katelyn 🅅 Medusfour @medus4.com Activist, Hacker cosplayer, Artist. Data economy abolitionist.
@cdc_pulpit Sinfluencer, Head of Humanity @ Veilid, designer of weird shirts at hack.xxx
I love gross terrifying things. Because I am one
Exploit Code Not People @cooperq.com Cybertiger. Senior Staff technologist at @eff.org Fellow @citizenlab.ca Board member @openarchive.bsky.social. "Noted activist security type." Anti-fascist. he/him. My skeets do not represent views of my employers ⵣ🏴 signal: cooperq.01
Runa Sandvik @runasand.bsky.social Founder of Granitt, securing journalists and at-risk people around the world. 
shenetworks @shenet.works Networking • Hacking • Hacking Networks (she/her)
shenet.works
InfoSteph (92%) @stephandsec.com She/Her. Cybersecurity Educator & Engineer. Writer. Keynote Speaker. LinkedIn Learning Author (150K+ learners). Neurospicy (ADHD). Sharing insights to inspire growth and connection. Black and proud.
Stephandsec.com
Lisa Forte @lisaforte.bsky.social Cyber security, climbing, caving and diving! 💜
Ray [REDACTED] @rayredacted.com Past: Host of "Tribe of Hackers"; Assoc. Producer "Darknet Diaries."
Current: Cybersecurity researcher and executive. Also, father of the fastest climber who has ever lived. Seriously.
Warning: I talk about my son ALOT
“Ut scandis, alios subleva.”
Cyber Detective @cybdetective.bsky.social Every day I write about #osint (Open Source Intelligence) tools and techniques. Also little bit about forensics and other cybersecurity related themes
Łukasz @maldr0id.bsky.social Military-grade reverse engineer @ Google, working on Android malware
Got mistaken for a member of Project Zero once.
Everything here is my own opinion
he/him ✨🌈🦄
cje @cje.io founder @bugcrowd && co-founder @disclose_io || hacker, entrepreneur, executive, advisor || عصا موسى || #w00w00
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.
Corbie 🐦⬛ @corbieailin.bsky.social Technology and Marketing Consultant, Software Engineer
Returning to school for ethics in technology and AI
💼 Accessibility Specialist
Photographer, Musician, Dancer, Weirdo
https://newsoftheai.com
Mark C @largecardinal.bsky.social Logician (PhD), Quantum Hacker, ML miscreant. Feral academic. Co-founder of Quantum Village @ DEF CON
Reg @reg.bsky.social I believe that Black Lives Matter, and that trans rights are human rights.
I’m an infosec geek in the streets, and an Oxford comma freak in the sheets.
she/her