Bodega Cats @bodegacats.bsky.social https://www.bodegacats.nyc
@yuvalyarom.bsky.social @yuvalyarom.bsky.social 
Fabio Pagani @pagabuc.bsky.social 
Clémentine Maurice @bloody-tangerine.bsky.social Researcher at CNRS. Feminist. I work on microarchitectural security.
https://cmaurice.fr
Usenix WOOT Conference on Offensive Technologies @wootsecurity.bsky.social WOOT aims to present a broad picture of offense and its contributions, bringing together researchers and practitioners in all areas of computer security.
Co-located with USENIX Security Symposium'26 in Baltimore,MD on
August 10–11, 2026
Mark Dowd @mdowd.bsky.social Internet hacker
Carlotta Tagliaro @pseudorandomico.bsky.social Postdoc @ TU Wien 🇦🇹 || 🇮🇹 || IoT security, privacy and tennis enthusiast
Emanuele Cozzi @invano.bsky.social malware&reversing
Michael Schwarz @misc0110.bsky.social InfoSec Faculty @ #CISPA. Side-channel attacks. Exploiting microarchitectures. Discovering CPU vulnerabilities.
biazo @vmcsptr.bsky.social Hyper-V Enjoyer
Mehdi Talbi @mtalbi.bsky.social 
Martina Lindorfer @lindorfer.in Associate Professor Security & Privacy @ TU Wien. Key Researcher @ SBA Research (she/her). Avid Snacker. Professional Traveller. Mainly Lurker.
🖤 🦖🦙🐈🐶🦝📸🧩✈️🧟♀️
Andrea Jemmett @100101.bsky.social Platform Security Engineer at kaiko.ai, VUSec alumnus
#fuzzing everything
Otherwise: inking in #splatoon, hoarding #virtualpets, training #pokemon, digievolving #digimon
aka acidghost
Vasileios Kemerlis @vkemerlis.bsky.social Professor @Brown CS. Brown Hat. Research on systems and software security. 🏴☠️🇬🇷🇺🇸 https://cs.brown.edu/~vpk
Manuel Wiesinger @mmap.at Operating System Engineer @ https://unikraft.io
PhD candidate @ https://www.vusec.net
Guillaume Hiet @guillaumehiet.bsky.social Professor at CentraleSupélec | Head of SUSHI Research Team (Inria/CentraleSupélec/CNRS/ENS Rennes) | IRISA Lab | Cybersecurity | Hardware/Software Security
Daniel Gruss @gruss.cc Aka @lavados #InfoSec University Professor @ #TUGraz. #meltdown, #spectre, #rowhammer, cache attacks, sustainable security. Produced a side channel security sitcom. https://gruss.cc https://x.com/lavados https://infosec.exchange/@lavados
Alyssa Milburn @noopwafel.bsky.social I hate computers (but also enjoy their cursed natures) and love people. (You can find my occasional posts over on Mastodon.)
XBOW @xbow.com Bringing AI to offensive security by autonomously finding and exploiting web vulnerabilities. https://xbow.com/
Margaret Mitchell @mmitchell.bsky.social Researcher trying to shape AI towards positive outcomes. ML & Ethics +birds. Generally trying to do the right thing. TIME 100 | TED speaker | Senate testimony provider | Navigating public life as a recluse.
Former: Google, Microsoft; Current: Hugging Face
Carl Smith @rwx.page Security @Google, Personal Account.
Gianluca Stringhini @gianlucastringhini.com Associate Professor at BU. Cybersecurity and Cybersafety. Come for the memes, stay for the science. Skeets are my own
Azeria @azeria-labs.com Founder of Azeria Labs, Trainer, Author of Blue Fox: Arm Assembly Internals & Reverse Engineering
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
the grugq @thegrugq.bsky.social 
HackerOne @hacker0x01.bsky.social The Only official HackerOne bsky account.
Peace of mind from security's greatest minds.
#HackForGood
Matthew Garrett @mjg59.eicar-test-file.zip Former biologist. Actual PhD in genetics. Security, OS security teaching at https://www.ischool.berkeley.edu.
Blog: https://codon.org.uk/~mjg59/blog
Signal: @mjg.59
He/him
Opinions expressed here are mine, not my employer's
Black Hat @blackhatevents.bsky.social The world's premier Technical Cybersecurity Conference Series
Andy Greenberg @agreenberg.bsky.social Writer for WIRED. Author of SANDWORM. Latest book, TRACERS IN THE DARK: The Global Hunt for the Crime Lords of Cryptocurrency, out now. agreenberg@wired.com. Andy.01 on Signal.
Kim Zetter @kimzetter.bsky.social Journalist - cyber/natn'l security. Speaker. Georgetown adjunct prof. Author - COUNTDOWN TO ZERO DAY: Stuxnet and the Launch of the World's First Digital Weapon
Signal: KimZ.42
https://www.zetter-zeroday.com
@halvarflake.bsky.social @halvarflake.bsky.social 
Alex Ionescu @ionescu.bsky.social Windows Internals Author, Developer, Reverse Engineer, Security Researcher, Speaker, Trainer, and most recently Nation State Hacker.
Core OS Platform Developer at Apple, Hyper-V Vendor at Microsoft, Chief Architect at CrowdStrike and now Director at CSE.
chompie @chompie.rip hacker, poster, weird machine mechanic
https://chompie.rip
@0xbeefed.bsky.social @0xbeefed.bsky.social Prodsec @Meta - Bug bounty hunter
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
Matthew Green @matthewdgreen.bsky.social I teach cryptography at Johns Hopkins. https://blog.cryptographyengineering.com
AT Protocol Developers @atproto.com Social networking technology created by Bluesky.
Developer-focused account. Follow @bsky.app for general announcements!
Bluesky API docs: docs.bsky.app
AT Protocol specs: atproto.com
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
Pwnallthethings @pwnallthethings.bsky.social Just thinking out loud.
Maddie Stone @maddiestone.bsky.social Security Researcher at Google Project Zero. 0-days all day. Love all things reverse engineering. she/her
Enrico Barberis @barbito.bsky.social PhD student @VUSec
Filippo Valsorda @filippo.abyssdomain.expert @geomys.org founder / RC F'13, F2'17
Cryptogopher / Go cryptography maintainer
https://filippo.io / https://github.com/FiloSottile
https://mkcert.dev / https://age-encryption.org
https://sunlight.dev / https://filippo.io/newsletter
Andrea Fioraldi @andreafioraldi.bsky.social Cyber Response Italian Supercazzola Technology Officer at
@mhackeroni Inc. Writing your favourite fuzz testing tools with
@aflplusplus. Security research at .
Marcus Hutchins @malwaretech.com threads.com/@malwaretech
https://linkedin.com/in/malwaretech
https://marcushutchins.com
SwiftOnSecurity @swiftonsecurity.com computer security person. former helpdesk
mhackeroni @mhackeroni.bsky.social Italian CTF team. DEF CON finalists. Cyber. Pasta. And now even satellites?! ✉️ info@mhackeroni.it
JinBlack @jinblack.bsky.social CTF Player @towerofhanoi and @mhackeroni | Security Researcher | Coach @CyberTeamItaly | Coach Team Europe | Space Security
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/
@carlomaragno.bsky.social @carlomaragno.bsky.social 
babush @babush.bsky.social e.g. Artist, dog-lover, and avid reader.
Giulio De Pasquale @peperunas.bsky.social Security Researcher @ | (very former) CTF player | Drummer and a bit of a bass player | Most importantly, Doom fanboy
dmnk @dmnk.bsky.social 【ＤΞＣＯＭＰＩＬΞ ＮΣＶΞＲ】
Android Red Team @google
Fuzzing @aflplusplus.bsky.social
CTF @enoflag
(opinions my own)
Richard Johnson @richinseattle.bsky.social Fuzzing; Vulnerability Research;
Deep Learning; Reverse Engineering
Training & Publications @ http://fuzzing.io
Hacking the planet since 1995
Undercurrents.io BOFH
I'll stop the world and melt with you
Michal Melewski @carste1n.bsky.social Security Engineer @ Cloudflare,
ex-Google ISE,
I use bad software and bad machines for the wrong things.
My writing: https://carstein.github.io
Willem Melching @pd0wm.bsky.social I take things apart. Sometimes I put them back together. Consulting & Trainings: http://icanhack.nl
Marcel Böhme @mboehme.bsky.social Software Security @ MPI for Security and Privacy
PhD @NUS, Dipl.-Inf. @TUDresden
Research Group: http://mpi-softsec.github.io
Stefano Zanero @raistolo.bsky.social Tinkerer, security geek, recovering entrepreneur, full professor at www.polimi.it, frequent flyer, private pilot, and generic pundit. He/Him 🏳️🌈
For aviation follow me on Instagram, same id!
Advanced Fuzzing League @aflplusplus.bsky.social We want to make fuzzing better and better
Follow for updates on AFL++ & LibAFL
Adrian Herrera @adrianherrera.bsky.social Security researcher with an interest in formal methods.
B̶u̶i̶l̶d̶i̶n̶g̶ breaking things @ Interrupt Labs |
Teaching @ Australian National University
https://adrian-herrera.com
jduck @jduck.me Continuously learning about computer security through research and development.
Moritz Schloegel @mu00d8.bsky.social Faculty @CISPA Helmholtz Center doing software security, program analysis, and fuzzing
Previously at SEFCOM lab @ASU and @RUB
aurelsec @aurelsec.bsky.social Hackademic at S3@eurecom
Grant H @digitalcold.bsky.social Android and baseband vulnerability researcher. Computer engineering PhD. 🇺🇸 (Washington, DC) || https://hernan.de/z
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
Alex Matrosov @matrosov.bsky.social 
Ali Abbasi @alixabbasi.bsky.social Faculty at @CISPA. Research on embedded systems security. Mastodon: AliAbbasi@infosec.exchange
Brendan Dolan-Gavitt @moyix.net AI researcher at XBOW. Security, RE, ML. PGP http://keybase.io/moyix/
Kevin Borgolte @kevin.borgolte.me Professor in CS at Ruhr University Bochum, DE. Part of HGI Bochum and DFG Excellence Cluster CASA: Cyber Security in the Age of Large-Scale Adversaries. Software and Internet security & privacy. Mastodon: @kevin@borgolte.me. Sometimes going by cao.
Mathy Vanhoef @vanhoefm.bsky.social Prof. @KU_Leuven | Research in Network & Software Security | Known for WPA2 KRACK attack, Dragonblood, and FragAttacks | Open to consultancy | Ex-Postdoc NYU
@gannimo.bsky.social @gannimo.bsky.social 
Peter Stöckli @ulldma.bsky.social Security Researcher and Software Engineer at GitHub Security Lab
Niklas B @niklasb.rce.associates research @ dfsec.com
Pietro Borrello @pietroborrello.bsky.social Security Researcher | PhD Alumn at @SapienzaRoma | Pwner at @TheRomanXpl0it and @mhackeroni | https://infosec.exchange/@pietroborrello
@marcograss.bsky.social @marcograss.bsky.social 
marton bognar @mici.hu postdoc in (mostly) microarchitectural security @ distrinet, ku leuven
https://mici.hu
Davide Balzarotti @balzarot.bsky.social Professor in Computer Security @EURECOM
Ex Defcon CTF organizer with @oooverflow
tmap @tm4p.bsky.social Purple Team FTW | 👨💻🎸
Bluesky @bsky.app official Bluesky account (check username👆)
Bugs, feature requests, feedback: support@bsky.app