CCC @ccc.de Der Chaos Computer Club ist eine galaktische Gemeinschaft von Lebewesen für Informationsfreiheit und Technikfolgenabschätzung. https://ccc.de
Frank Sauer @drfranksauer.bsky.social 🎙️ Co-Host @sicherheitspod.de
🤓 Head of Research @metis.unibw.de
🐦 https://twitter.com/drfranksauer/ 👈 inactive
🦣 http://mastodontech.de/@drfranksauer 👈 bridged
Alexander Van der Bellen @bundespraesident.at Offizieller Account des österreichischen Bundespräsidenten. Updates vom Team. Persönliche Updates sind mit (vdb) gekennzeichnet.
https://www.bundespraesident.at/impressum
Gun Bunny @littlegunbunny.bsky.social Gun YouTuber and Cosplayer
youtube.com/@LittleGunBunny
linktr.ee/littleGunBunny
OWASP Chapter Vienna @owasp-vienna.bsky.social Meetups: https://www.meetup.com/owasp-chapter-vienna/
Fediverse: https://wien.rocks/@owasp_vienna
BSidesVienna.at @bsidesvienna.at BSides in Vienna… why yes please! ~~
bsidesvienna@infosec.exchange
Ulrike Franke @rikefranke.bsky.social Senior Fellow at European Council on Foreign Relations. #Drone politics PhD @ox.ac.uk. Teaches at @SciencesPo.bsky.social. Writes about all things #Germany #Defence #miltech. Podcast host at @SicherheitsPod.de & LeCollimateur
Benn Jordan @bennjordan.bsky.social Benn Jordan / The Flashbulb
••Recording artist | YouTuber | Researcher••
https://linktr.ee/BennJordan
NEOMECHANICA @neomechanica.bsky.social THIΣ STORY IS ΔEDICATED TO ALL THOΣE CYBERPUNKS WHΘ FIGHT AGAINΣT INJUSTICE AND CORRUPTION EVERY ΔAY OF THEIR LIVES
Reposting from the original Twitter account.
Roland Meyer @bildoperationen.bsky.social Digital Cultures and Arts | UZH & ZHdK | operative images, synthetic media and visual culture
@digitalculturesandarts.ch
https://digitalculturesandarts.ch/
https://linktr.ee/bildoperationen
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
Proton @proton.me Choose a better internet where privacy is the default. Start protecting your personal information online with Proton Mail, Proton VPN, Proton Drive, Proton Pass, Proton Wallet, and Lumo: https://proton.me/
William Gibson @greatdismal.bsky.social Author of Neuromancer and, most recently, Agency (still above from “Kill Switch”, The X-Files, Season 5, Episode 11, co-written with Tom Maddox)
Marco Squarcina @minimalblue.bsky.social Senior Scientist @TU Wien / Web & Mobile Security / #drumandbass DJ
🚩 with @mhackeroni.bsky.social We_0wn_Y0u kukhofhackerei Team Austria
🔗 https://minimalblue.com/
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
David Buchanan @retr0.id reverse engineering, cryptography, exploits, hardware, file formats, and generally giving computers a hard time
Fedi: @retr0id@retr0.id
Macroblog: https://www.da.vidbuchanan.co.uk/blog/
John Wiseman @lemonodor.bsky.social Persistent sousveiller. Walt Disney R&D Imagineer. Runs GPSJAM.org. Signal: wiseman.04 https://heavymeta.org
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).
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! 🏴☠️
Die Tagespresse @dietagespresse.com Nachrichten erfahren, bevor sie passieren. https://dietagespresse.com
Anna Thalhammer @annathalhammer.bsky.social Chefredakteurin und Herausgeberin des österreichischen Nachrichtenmagazins “Profil”. Threema JRTUBHZD
Fabian Schmid @fabianschmid.bsky.social investigative journalist at Der Standard, Vienna/AT
Corinna Milborn @corinnamilborn.bsky.social Journalistin, Autorin, Moderatorin. Infochefin bei ProSieben.Sat1.Puls4 / puls24. Autorin bei Die Zeit. Freue mich auf Austausch!
ps blocke bei unhöflichkeit.
Edgar Weippl @weippl.bsky.social Professor for Security and Privacy, University of Vienna
Martin Thür @martinthuer.at Journalist • Reisender • I've got opinions. Facts, too. Foto: Thomas Wunderlich
https://www.martinthuer.at/offenlegung/
Troy Hunt @troyhunt.com Founder & CEO of @haveibeenpwned.com, the most trusted name in data breach intelligence. Speaker, blogger, Microsoft Regional Director. Gold Coast, Australia.
Dirk-jan @dirkjanm.io Hacker at outsidersecurity.nl. Researches Entra ID, AD and occasionally Windows security. I write open source security tools and do blogs/talks to educate others on these topics. Blog: dirkjanm.io
SpecterOps @specterops.io Creators of BloodHound | Experts in Adversary Tradecraft | Leaders in Identity Attack Path Management
RastaMouse @rastamouse.me make pic +relax
Dr Nestori Syynimaa @drazuread.com Principal Identity Security Researcher @Microsoft. Ex-Secureworks (PhD, MSc, MEng, CITP, CCSK).
And yes, opinions are my own ;)
rootsecdev @rootsecdev.bsky.social Security Consultant @TrustedSec | Military grade meme poster, researcher, cloud penetration tester, voider of warranties. My thoughts are my own.
Cas van Cooten @casvancooten.com @chvancooten on the bird app 🐦
---
Benevolently malicious offensive security enthusiast || OffSec Developer & Malware Linguist || NimPlant & NimPackt author || @ABNAMRO Red Team
harmj0y @harmj0y.bsky.social Researcher @SpecterOps. Coding towards chaotic good while living on the decision boundary. #dontbanequality
XPN @xpnsec.com Hacker for hire at @specterops.bsky.social
Blog: https://blog.xpnsec.com
Christoph @pycycle.bsky.social 
@cfalta.bsky.social @cfalta.bsky.social 
Livia @lwgl.xyz studying #sociology at #TUChemnitz. keeping an eye on #privacy & #surveillance (-capitalism) since 2014. go use mastodon or RSS, bluesky is just another startup.
🌐 www.lwgl.xyz (Blog + About)
🐘 sciences.social/@livia (Bridged to Bluesky, kinda)
Mathias @matthegap.bsky.social IT-Security | Open Source | Politics | Vienna | Fun | Erdös-Bacon Number 7 | "I saw which was the winning side, but still I joined the other."
Timothy Snyder @timothysnyder.bsky.social Temerty Professor of Modern European History, Munk School, University of Toronto; Permanent Fellow, IWM Vienna; Emeritus Levin Professor, Yale. Author of "On Freedom," "On Tyranny," "Our Malady," "Road to Unfreedom," "Black Earth," and "Bloodlands"
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
profil @profil.at Das unabhängige Nachrichtenmagazin Österreichs. Impressum: profil.at/Impressum
Gabriela Greilinger @gabrielagreilinger.com Doctoral candidate, researching what happens when the far right is in power | Far-right politics & democracy, pol behaviour, "gender stuff" | Rooted in 🇦🇹🇭🇺, now in 🇺🇸 | views mine, but often based on research | #firstgen Arbeiterkind | gabrielagreilinger.com
WIRED @wired.com For Future Reference.
Sign up for our newsletters: https://wrd.cm/newsletters
Find our WIRED journalists here: https://go.bsky.app/Boj9b5E
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
Frycos @frycos.bsky.social Private account! Red teamer @codewhitesec. @frycos@infosec.exchange @frycos@X
Veilid 🅅 @veilid.com Pronounced: “Vay-lid”. An official CULT OF THE DEAD COW projekt. Social Media shouldn’t be monetized. Users are not a commodity. Privacy Matters.
Support Veilid! Badge: 🅅
www.veilid.com
Alexandria Ocasio-Cortez @aoc.bsky.social Waitress turned Congresswoman for the Bronx and Queens. Grassroots elected, small-dollar supported. A better world is possible.
ocasiocortez.com
GitHub @github.com The AI-powered developer platform to build, scale, and deliver secure software.
Carl Bovis @carlbovisnature.bsky.social Bird loving nature photographer from Somerset, UK. 🐦
Here are all my links;
https://linktr.ee/carlbovis 😊
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.
Robert Evans (the Only Robert Evans) @iwriteok.bsky.social I am the host of Behind the Bastards and overlord of podcasts at Cool Zone Media
SinSinology @sinsinology.bsky.social Pwn2Own 20{22,23,24,24.5}, i look for 0-Days but i find N-Days & i chase oranges 🍊
https://summoning.team/
Scott Galloway @profgalloway.com Professor of Marketing at NYU Stern School of Business, serial entrepreneur, and host of the Prof G and Pivot Podcasts.
Ingrid Brodnig @brodnig.bsky.social Journalistin & Autorin | Fokus: Hass im Netz, Desinformation, digitale Gesellschaft | Bücher: https://www.brodnig.org/bucher/
Eliot Higgins @eliothiggins.bsky.social Founder and creative director of Bellingcat and director of Bellingcat Productions BV. Author of We Are Bellingcat.
@cfreal.bsky.social @cfreal.bsky.social 
Casey Newton @caseynewton.bsky.social Email salesman at Platformer.news and co-host at Hard Fork.
HackerOne @hacker0x01.bsky.social The Only official HackerOne bsky account.
Peace of mind from security's greatest minds.
#HackForGood
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
Masato Kinugawa @masatokinugawa.bsky.social '"><>ma<s>ato
shubs @shubs.io Co-founder, security researcher. Building an attack surface management platform, @assetnote.io
Web Security Academy @websecacademy.bsky.social Free web security training from PortSwigger.
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
Casey Johnston @caseyjohnston.bsky.social Buy my book, A PHYSICAL EDUCATION
a Marketplace and Scientific American pick for 2025!
science writer/author
Newsletter shesabeast.co
couchtobarbell.com
Lara Amalia @lara-amalia.bsky.social mother 💕 // passionate musician 🎻 // web developer and ux designer at scale.at 👩💻 // love coffee, spring and the sea ⛵
Andreas Proschofsky @sukahiroaki.bsky.social Ressortleiter Stv. https://derStandard.at/Web / Journalist / Writing a lot about Linux, Android and IT Security. Also available on Mastodon https://chaos.social/@suka_hiroaki
Lauritz @lauritz-holtmann.de IT-Security Researcher, Pentester and Bug Hunter. Passionate about 💻, 🤽♂️, ⚜️, 🎸 and ⚽ #meinVfL
#Kaeferjaeger + H1 Ambassador
🏠 https://security.lauritz-holtmann.de
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
Ed Zitron @edzitron.com British, But In Las Vegas and NYC
ezitron.76 Sig
Newsletter - wheresyoured.at
https://linktr.ee/betteroffline - podcast w/ iheartradio
Chosen by god, perfected by science
CEO at EZPR.com
derek guy @dieworkwear.bsky.social Menswear writer. Editor at Put This On. Words at The New York Times, The Washington Post, The Financial Times, Esquire, and Mr. Porter.
If you have a style question, search:
https://dieworkwear.com/ | https://putthison.com/start-here/
Conspirador Norteño @conspirator0.bsky.social Data Scientist/Musician/Participant in the General Confusion.
Oppose autocracy and research/counter disinformation. I serve the realm.
Caution: frequent cat photos.
https://conspirator0.com/
https://www.youtube.com/watch?v=C1ItrZiqTLw
Null @haxxr.bsky.social Vault of tradecraft; old and new. Computer tricks lover and puzzle author.
cybrz @cybrz.bsky.social Master of Disaster @compass-security.com 🔥 for all sorts crises, scada, chunk hacking, electronics, cryptography and cyber all the things.
CaidoIO @caido.io We help security professionals and enthusiasts audit web applications with efficiency and ease
https://caido.io
Orange Tsai @orange.tw This is 🍊
Bluesky @bsky.app official Bluesky account (check username👆)
Bugs, feature requests, feedback: support@bsky.app
John Hammond @johnhammond.bsky.social Hacker. Friend. Cybersecurity Researcher at Huntress.
Assetnote @assetnote.io True Attack Surface Management - https://assetnote.io
Johan Carlsson @joaxcar.bsky.social Full time bug bounty hunter. Look for ”joaxcar” on other platforms
TommyBoy @tommyboyhacking.bsky.social Hack/Planets
https://tommyboyhacking.github.io/tommylinkin/
Bug Bounty Reports Explained @gregxsunday.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
David @dschm1dt.bsky.social PhD Student @univie.ac.at
Luke Jahnke @nastystereo.com Blogging at https://nastystereo.com
P€nt€stM@nk€y @pentestmonkey11.bsky.social 
PortSwigger Research @portswiggerres.bsky.social Web security research from the team at PortSwigger.
Dan Goodin @dangoodin.bsky.social Cybersecurity Reporter, Ars Technica: https://arstechnica.com/author/dan-goodin/ Hungry for tips. Text me on Signal: DanArs.82. "The world isn’t run by weapons anymore, or energy, or money. It’s run by little 1s and 0s, little bits of data."
hakan @hatr.bsky.social reporter covering cyber (both crime and state-sponsored) for Der Spiegel and ZDF, short overview at https://linktr.ee/hakantanriverdi, Signal: hakan.25
TrendAI Zero Day Initiative @thezdi.bsky.social TrendAI Zero Day Initiative™ (ZDI) is a program designed to reward security researchers for responsibly disclosing vulnerabilities.
Matt Burgess (WIRED) @mattburgess1.bsky.social Security writer @wired.com
Cybercrime, privacy, surveillance, and more.
Signal: mattburgess.20 | Email: matt_burgess@wired.com
Matt Blaze @mattblaze.org Scientist, safecracker, etc. McDevitt Professor of Computer Science and Law at Georgetown. So-called expert on election security and a few other things. Slow photographer. RF nerd. Occasionally blogs at https://mattblaze.org/blog
GreyNoise @greynoise.io GreyNoise analyzes Internet background noise. Use GreyNoise to remove pointless security alerts, find compromised devices, or identify emerging threats.
Allan “Ransomware Sommelier” Liska @ransomwaresommelier.com Recorded Future - Ransomware Researcher
Owner @greenarcher.io - Yours Truly, Johnny Dollar | The Press Guardian | The Clock | The Green Archer
Weird mix of security, comics, photography and wine!
www.greenarcher.io
Joe Slowik @pylos.co Threat Intel / CTI / OT / ICS / Critical Infra stuff along with other things. I genuinely care, and wish others did too.
Website: pylos.co
Training/Consulting: paralus.co
chompie @chompie.rip hacker, poster, weird machine mechanic
https://chompie.rip
Patrick Gray @patrick.risky.biz https://risky.biz/
Matthew Green @matthewdgreen.bsky.social I teach cryptography at Johns Hopkins. https://blog.cryptographyengineering.com
CYBERWARCON @cyberwarcon.bsky.social CYBERWARCON is a one-day conference in Arlington, VA focused on the specter of destruction, disruption, and malicious influence on our society through cyber capabilities.
cyberwarcon.com
SLEUTHCON @sleuthcon.bsky.social Tickets for 2026 are now available!
https://www.sleuthcon.com