No Hat Con @nohatcon.bsky.social Computer Security Conference | 10th October 2026 | Bergamo (Italy)
More info: nohat.it
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.
Censys @censys.bsky.social Censys is the authority in Internet intelligence & insights. Delivering the most comprehensive, accurate, and up-to-date global map of Internet infrastructure, Censys provides the real-time external visibility.
Chris Wysopal @weld.bsky.social Gray haired gray hat. Co-founder Veracode. Former L0pht security researcher. Builds tools to find and fix vulnerabilities in code at scale.
BobDaHacker 🏳️⚧️ (she/her) @bobdahacker.com Can we hack it?? Yes we can!!! 😎😎😎
Hey Im BobDaHacker an ethical hacker 🤓
Thx 4 coming to my ted talk
https://bobdahacker.com
SHORT INFO @shortinfo.bsky.social Daily news on geopolitics, defense, cyber, AI & science - sourced, fact-checked, no hype.
Posting multiple times per day from open sources.
shortinfo.news
SecureDrop @securedrop.social.freedom.press.ap.brid.gy Free and open source whistleblower submission platform. A @freedomofpress project.
[bridged from https://social.freedom.press/@securedrop on the fediverse by https://fed.brid.gy/ ]
Unredacted 🗽 @unredacted.org A 501(c)(3) non-profit organization that builds Internet infrastructure and services to help people access the open Internet and protect their right to #privacy
https://unredacted.org/
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
HandyCon | Handshake.Conference/ @handycon.bsky.social HandyCon WHITE: March 4-6, 2026
Location: Online
DNS: https://2026.handycon.xyz
HNS: http://Handshake.Conference
FOSDEM @fosdem.org https://fosdem.org
Lukasz Olejnik @lukaszolejnik.bsky.social Security & Privacy. Data Protection. Research & Development. Engineering. Analyst. Policy. W3C. Consultant. Author. King’s College London/War Studies. me@lukaszolejnik.com
lukaszolejnik.com/books
blog.lukaszolejnik.com
techletters.substack.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/
Arrigo Triulzi @cynicalsecurity.bsky.social IT Security, cynically aged. Maths. Some nukes. Longing for Symbolics and Connection Machines. Keeper of Ancient Computing Lore. Wassenaar intangible Ⓐ
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
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)
Shodan Safari @shodansafari.lol Posting random entries from everyone's favorite internet security search engine.
Content may be 18+ and NSFW. You have been warned.
Complaints/Takedown requests: @meson.ninja
see also @vnclotto.misentropic.com for more open internet infrastructure
Antoine Roly @aroly.bsky.social Hacker, Bug Bounty Hunter, Pentester,...
From Namur, BE.
Mauro Eldritch @chococat.locker 💉 Hacker & Speaker
🏴☠️ Founder DC5411 & @bca.ltd
🖤 Threat Intel, Fabergé, Eastern Europe
#NoMoreFreeIntel
TrendAI Zero Day Initiative @thezdi.bsky.social TrendAI Zero Day Initiative™ (ZDI) is a program designed to reward security researchers for responsibly disclosing vulnerabilities.
Evariste @evaristegal0is.eurosky.social 🏳️🌈🦄 don't drink and root 🦄🏳️🌈 uccidiamo i mostri sacri
beussay @beussay.org Probably mostly infosec stuff, but also anything I'd love to share
@sysl0g.bsky.social @sysl0g.bsky.social 
Smarticu5 @smarticu5.bsky.social Cloud-native offsec at AmberWolf
VNC Lottery @vnclotto.misentropic.com I'm a bot that posts random entries from the vncresolver instance at https://computernewb.com/vncresolver/
complaints? @meson.ninja
see also @shodansafari.lol for more open internet infrastructure content
TumpiCon @tumpicon.org IT Security Conference in Turin area (Italy) | 27-28 June 2025
override @override.bsky.social IT Generalist | Cybersecurity🔒 | Web Exploitation | Reverse Engineering
g̸͕̊i̴̜̽u̴̟̒ş̶͝ȇ̴̼p̸̻͐p̶̯̃e̸̯̾(ᵇᵒʸ-ᵈⁱᵛⁱˢⁱᵒⁿ) @giuseppesec.bsky.social pentester | web, mobile, cloud, hardware | cve haver | sometimes vtuber | sometimes wolf | sometimes androgynous pink guy | always gay | i can be trusted with web apps 🙂
Josip Franjković @josipfranjkovic.bsky.social I am an average Joe who enjoys breaking websites. My security blog: https://josipfranjkovic.com
BitK @handle.invalid 
theMiddle @meninthemiddle.bsky.social Rev3rse Security, SicuraNext
kunte_ @kunte0.bsky.social CTF Player with FluxFingers | Ph.D. Student
s1r1us | Mohan Sri Rama Krishna Pedhapati @mohansrk.bsky.social Founder @ElectrovoltSec Browser and Web Security @cure53berlin, Blockchain Security @osec_io, Rambling on http://mohansrkp.substack.com
icchy @icchy.bsky.social https://twitter.com/icchyr からまだ移行できていません
Zeyu (Zayne) @zeyu2001.bsky.social • CS @ Cambridge
• CTFs with Water Paddler / Blue Water
• Security at Electrovolt / Cure53
• DEFCON 31-32 finalist
• Also on Twitter and infosec.exchange
@shhnjk.bsky.social @shhnjk.bsky.social This account posts hallucinations non-stop. More grounded and less noisy thought on x.com/shhnjk :)
Masato Kinugawa @masatokinugawa.bsky.social '"><>ma<s>ato
Freddy @freddyb.bsky.social manager/security things for Firefox. love my family, my bike and reading books.
You can also find me on Mastodon as @freddy@security.plumbing, which I consider my primary account.
Homepage: https://frederikbraun.de/
@arturjanc.bsky.social @arturjanc.bsky.social 
Justin Gardner @rhynorater.bsky.social Christian | Full-time Bug Bounty Hunter | Host @ctbbpodcast.bsky.social | Advisor @caido.io | 3x LHE MVH | 🗣️ English, 日本語
shubs @shubs.io Co-founder, security researcher. Building an attack surface management platform, @assetnote.io
Sam Curry @zlz.bsky.social 
Rebane @rebane2001.bsky.social 🇪🇪🏳️⚧️ | Archivist | 13 CVEs in Chrome | CSS sophomore | MapartCraft | Horse | rebane2001#3716 | Lyra 🦊
she/her
https://lyra.horse/
@rebane2001@infosec.exchange
@fransrosen.bsky.social @fransrosen.bsky.social 
Mike West @mikewe.st web browser stuff: security, privacy, safety, etc.
Anne van Kesteren @annevk.nl Web Standards Engineer at U+F8FF.
Lukas Weichselbaum @webappsec.dev Leading Google's web security team.
Passionate about web security and making secure-by-default web development the norm. Contributed to web platfom security features like CSP, Fetch Metadata, COOP and Trusted Types.
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!
Gynvael Coldwind @gynvael.bsky.social Security researcher/programmer ⁂ Managing director @ HexArcana ⁂ @DragonSectorCTF founder ⁂ he/him
Bruno Modificato @brunomodificato.bsky.social CTFer for: @Water_Paddler / Security auditor @osec_io
Sometimes bug bounty and research
Jorian @jorianwoltjer.com Normalize being weird.
alp1n3 🌲 @alp1n3.dev 🔮 AppSec & Go
Lauritz @lauritz-holtmann.de IT-Security Researcher, Pentester and Bug Hunter. Passionate about 💻, 🤽♂️, ⚜️, 🎸 and ⚽ #meinVfL
#Kaeferjaeger + H1 Ambassador
🏠 https://security.lauritz-holtmann.de
bubu @albertofdr.bsky.social about://inducebrowsercrashforrealz 🍕🖥️
https://albertofdr.github.io/
Tom Stacey @t0xodile.com Security researcher at PortSwigger. You can find all of my write-ups and research at https://thomas.stacey.se.
Luke Jahnke @nastystereo.com Blogging at https://nastystereo.com
Christian Folini @christian-folini.ch Web application security guy with a passion for OWASP's open source WAF projects and National Cyber Strategy.
Maintains "Swiss Cyber Security" starter pack and cherishes his small collection of medieval helmets.
Orange Tsai @orange.tw This is 🍊
Web Security Academy @websecacademy.bsky.social Free web security training from PortSwigger.
Taipy @taipyio.bsky.social Open-source Python library for building your applications’ frontend and backend (dashboards, chatbots…)
From simple pilots to production-ready web apps in no time.
No more compromise on performance, customization, & scalability.
github.com/Avaiga/taipy
YesWeHack @yeswehack.bsky.social Global Bug Bounty & VDP Platform - #YesWeRHackers
🔗 http://yeswehack.com/programs (Public programs)
🔍 http://firebounty.com (BB & VDP search engine)
#BugBounty 
rs @rslovesbugs.bsky.social interested in anything related to computer security - https://github.com/rs-loves-bugs/xsshunter
Ashpool @ashpool.bsky.social Web Application Pentesting || Go || Currently trying to learn Nix
⚙ Rev - ☁️ Cloud Mechanic 🛠️ @manuelberrueta.bsky.social Offensive Security Engineer 🐍 #RedTeam + #AppSec @MSFT
Marine, Husband, Father, N00b, Hacker⁉ 🤔
My ramblings == my own 😁
Everything is a string! #ChangeMyMind
🛠 github.com/ManuelBerrueta
@uuidzero.bsky.social @uuidzero.bsky.social 
Nam Pho @npho.bsky.social Building supercomputers and other scientific computing infrastructure for researchers in the higher education, non-profit, and government spaces. Personal account and opinions are my own.
nixCraft @cyberciti.biz Enjoy Linux & Unix-like systems, open-source software, and programming/compsci? Into Sysadmin & DevOps? Follow us to make the most of your IT career! Discover new tools and apps daily, plus a dose of humor ⤵️
https://www.cyberciti.biz
Bellingcat @bellingcat.com Bellingcat is a global collective uncovering facts to hold power to account. Our work is independent. Our methods are public. Our community is global.
Want to support our charity? bellingcat.com/donate
Mycolaos @mycolaos.bsky.social Senior Indie Wannabe - SWE Specialized in FE
🎲boardgamesrh.com - Rules helper
🥷Postponing a secret project
🧑💻Software Design
Rym Michaut @rymguerbi.bsky.social 💻 Data Scientist || 🧮 Stats Engineer || 🥑 DevRel taipy.io || 🦄 Community Growth || open-source passionate || 🧳 Travel || 📸 Photography 
Willy Brauner @willybrauner.com Front-end developer, driven by design.
Former lead front-end @ cher-ami.tv.
Musician, drummer.
Based in Lyon, France.
Freelancer
↳ https://willybrauner.com
↳ https://github.com/willybrauner
dmnk @dmnk.bsky.social 【ＤΞＣＯＭＰＩＬΞ ＮΣＶΞＲ】
Android Red Team @google
Fuzzing @aflplusplus.bsky.social
CTF @enoflag
(opinions my own)
ϻг_ϻε @steven.srcincite.io Hermetic Initiate. Exploring conscience and the nature of reality. I also hack things.
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
exigent07 @exigent07.bsky.social Web Security Researcher | CTF Player @teambi0s
Johan Carlsson @joaxcar.bsky.social Full time bug bounty hunter. Look for ”joaxcar” on other platforms
Bitquark @bitquark.io 🥷 British hacker and coder
✨ Space and language nerd
🎩 Black Hat EU review board
🐈 Neurodivergent. Poly. He/him.
🛠️ https://github.com/bitquark
Geluchat @gelu.chat Baptiste Devigne | Bug Bounty Hunter | Most Impactful Team H1-0131 (AWS) | Eradicator H1-6102 (Salesforce)
🔗My blog https://gelu.chat/
Mikhail Shcherbakov @yu5k3.bsky.social Doing security research. For fun and profit...
Tib3rius @tib3rius.bsky.social Web App (mostly) Hacker | Cybersecurity Educator | Content Creator | Ex-Brit | Links: http://linktr.ee/tib3rius (he/him) 🇺🇸 A mostly unserious person. @therealc3rul34n.bsky.social is bae 🥰
Charles @charles.dardaman.com AI | Hacking | Security | Malware | Founder/CTO (acq.) | CS PhD @UT_Dallas
Kat Traxler @nanook.bsky.social Your Friendly Cloud Antagonist
Proficient at drawing the rest of the 🦉
Sean Pesce @seanpesce.bsky.social https://seanpesce.blogspot.com
Zero ゼロ @zeroxfr.bsky.social Keyboard samurai
Paedy @compr00t.bsky.social Hacking stuff at https://www.redguard.ch/
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
R3V4N @r3v4n.bsky.social 
Shammah zealsham Agwor @zealsham.bsky.social Bugbounty hunter| Rust dev| The man of mankind | Application Security Engineer . OSCP in view , #Bitcoin-core contributor
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.
Veer Singh @securityveer.bsky.social Principal Security Researcher @MSFT
Opinions are my own and do not reflect on my employer.
Tal Skverer @taltechtreks.com Security Researcher | Blog writer | Hacker | DEFCON speaker | Gamer | Silly stuff lover.
https://taltechtreks.com/
Aethlios @aethlios.bsky.social Lead developer | Bug hunter (approximately every 3 months)
> https://aeth.cc
MannRissM @mannrissm.bsky.social 
x1m @x1m.bsky.social hacker, founder Hacksclusive
@jtof-fap.bsky.social @jtof-fap.bsky.social Freelance Professional Pentester
Frycos @frycos.bsky.social Private account! Red teamer @codewhitesec. @frycos@infosec.exchange @frycos@X
Liran Tal @lirantal.com 🦄 Node.js Secure Coding: http://nodejs-security.com
🌟 @GitHub Star
🏅 @OpenJS Pathfinder award for Security
🥑 DevRel at @snyksec