David Klein @leenify.bsky.social PhD Student @TU Braunschweig. Mainly web security, some program analysis, and privacy.
Project Foxhound core maintainer.
Aurore Fass @aurore-fass.bsky.social Tenured Researcher @Inria
USENIX Security Artifact Evaluation Co-Chair 2025 & 2026
Web Security & Privacy: JavaScript (in)security, browser extensions
https://aurore54f.github.io
Andreas Kogler @0xhilbert.bsky.social Apple Security Researcher | Informatics PhD | TUGraz Alumni | Pwnie Award 2022 | BlackHat Speaker | Power Analysis | Fault Attacks | μ-Architectural Attacks | https://andreaskogler.com/
µASC Conference @uasc.cc Official account of the Microarchitecture Security Conference (µASC).
Cutting-edge research on #security in #microarchitecture contexts.
Next Conference: February 3, 2026, in Leuven, Belgium. https://uasc.cc
heiseonline @heise.de News rund um Technik, IT und Digitales.
heise.de/impressum.html & http://heise.de/privacy
@halvarflake.bsky.social @halvarflake.bsky.social 
LiveOverflow 🔴 @liveoverflow.bsky.social wannabe hacker... he/him
🌱 grow your hacking skills https://hextree.io
Lukas Giner @giner.cc Postdoc @Coresec Graz University of Technology
Toon Purnal @purnaltoon.bsky.social Silicon Security at Google | PhD from COSIC (KU Leuven)
Daniel Klischies @dklischies.bsky.social Firmware/OS/Cellular Security Research @ruhr-uni-bochum.de
pspaul @pspaul95.bsky.social 
@berndfinkbeiner.bsky.social @berndfinkbeiner.bsky.social Computer scientist at CISPA. Formal methods, security, cyber-physical systems, and theory of computation. www.berndfinkbeiner.de
Andreas Zeller @andreaszeller.bsky.social Software researcher at https://cispa.de, working on #Fandango, #S3, #FuzzingBook, #DebuggingBook. Testing, debugging, analyzing, and protecting software for a better world. Find me at https://andreas-zeller.info/
Leon Trampert @ltrampert.bsky.social PhD Student @CISPA
Boris Köpf @socialboris.bsky.social Researcher at Microsoft Azure
boriskoepf.de
Pierre Laperdrix @rockpartridge.bsky.social Researcher at @cnrs.bsky.social in the Spirals team. Browser fingerprinting, web privacy and security, software engineering. Creator of http://AmIUnique.org.
@lukasgerlach.bsky.social @lukasgerlach.bsky.social 
Fabian Rauscher @responsible.fyi Security Researcher | PhD Candidate with CoreSec at @tugraz.bsky.social | Microarchitectural Attacks | OS/HV Development | https://responsible.fyi
Florian Hantke @fh4ntke.bsky.social PhD student at CISPA | Hacking webapps | CTF at FAUST
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/
Ali Abbasi @alixabbasi.bsky.social Faculty at @CISPA. Research on embedded systems security. Mastodon: AliAbbasi@infosec.exchange
Sven Bugiel @svebug.bsky.social Tenured Faculty at the CISPA Helmholtz Center for Information Security | https://svenbugiel.de/
Giancarlo Pellegrino @gianko.bsky.social Faculty at CISPA.
Cat Easdon @easdon.bsky.social Privacy engineering at Dynatrace | privacy, tech policy, hardware security. You may know me from: @virtualroutes.bsky.social, @internetsociety.bsky.social, or my past life hacking CPUs 👩💻 All opinions my own.
Gynvael Coldwind @gynvael.bsky.social Security researcher/programmer ⁂ Managing director @ HexArcana ⁂ @DragonSectorCTF founder ⁂ he/him
Samuel Groß @saelo.bsky.social Working on Project Zero, Big Sleep, and V8 Security. Personal account.
Pietro Borrello @pietroborrello.bsky.social Security Researcher | PhD Alumn at @SapienzaRoma | Pwner at @TheRomanXpl0it and @mhackeroni | https://infosec.exchange/@pietroborrello
Martin Schwarzl @marv0x90.bsky.social 
Stephan van Schaik @stephanvanschaik.bsky.social Principal Consultant | PhD Computer Science & Engineering | CPU micro-architectural attacks & Trusted Execution Environments
@ret2systems.bsky.social @ret2systems.bsky.social 
Ben Stock @benstock.bsky.social Tenured Faculty @c-i-s-p-a.bsky.social Helmholtz Center for Information Security
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
grsecurity @grsecurity.bsky.social Foundational security for the Linux kernel. Solving the most difficult memory unsafety problems. Created by @opensrcsec
Malware Unicorn @malwareunicorn.bsky.social @Straiker. Ex-Microsoft. Ex-Meta RedTeam, Ex-Endgame, Ex Fireeye. malwareunicorn.org
Davide Balzarotti @balzarot.bsky.social Professor in Computer Security @EURECOM
Ex Defcon CTF organizer with @oooverflow
Jon Masters @jonmasters.bsky.social Troublemaker | Computer Architect | @Arm Servers Architect @Google | Former DE @RedHat | Former VP @Nuvia_Inc | Runner | Author | All views my own | #ArmServers
Brendan Dolan-Gavitt @moyix.net AI researcher at XBOW. Security, RE, ML. PGP http://keybase.io/moyix/
Ben Gras @beng-nl.bsky.social Security researcher at Intel. Proud dad & husband. Loves hacking & building. PhD in systems security from VUSec. http://keybase.io/bengnl
Azeria @azeria-labs.com Founder of Azeria Labs, Trainer, Author of Blue Fox: Arm Assembly Internals & Reverse Engineering
Hany Ragab @hanyragab.bsky.social BM, DMCC, DTM&H, MPH, MRCPCH
Paediatric Emergency Medicine & Paediatric Consultant, interests in Global Health & Health Inequality, SCUBA & Getting bullied by STRAVA
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.
Black Hat @blackhatevents.bsky.social The world's premier Technical Cybersecurity Conference Series
@gannimo.bsky.social @gannimo.bsky.social 
Anders Fogh @andersfogh28.bsky.social 
Adrian Dabrowski @atrox.at Security, privacy, cellular, living in clouds; night-owl; PostDoc CISPA; former UCI, SBA, TU Wien, iSeclab. My own opinions. May contain sarcasm.
Ruiyi Zhang @rayiizzz.bsky.social PhD Student @ CISPA | CPU security 
Thomas Eisenbarth @tom-crypt.bsky.social 🔒 Professor of IT Security @ University of Luebeck
💡 Research in systems security, applied cryptography, and side channels
🌐 More info: its.uni-luebeck.de
Michael Schwarz @misc0110.bsky.social InfoSec Faculty @ #CISPA. Side-channel attacks. Exploiting microarchitectures. Discovering CPU vulnerabilities.
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
Anna Pätschke @paetscan.bsky.social PhD student 📍 University of Luebeck, Institute for IT Security
Moritz Schloegel @mu00d8.bsky.social Faculty @CISPA Helmholtz Center doing software security, program analysis, and fuzzing
Previously at SEFCOM lab @ASU and @RUB
Jonas Juffinger @notimaginary.bsky.social PhD Student TU Graz trying to improve computer security.
Follow me on instagram for photos and videos: @jonas.juffinger
he/him
https://www.jonasjuffinger.com
Clémentine Maurice @bloody-tangerine.bsky.social Researcher at CNRS. Feminist. I work on microarchitectural security.
https://cmaurice.fr
marton bognar @mici.hu postdoc in (mostly) microarchitectural security @ distrinet, ku leuven
https://mici.hu
Oleksii Oleksenko @oleksii-o.bsky.social Senior Researcher at Azure. Work on microachitectural security, fuzzing, and TEEs.
Proudly #Ukrainian
Daniel Moghimi @flowyroll.bsky.social Senior Research Scientist @Google
Hardware & System Security
2 x Blackhat Speaker 🎩
Jujitsu Bluebelt 🥋
Zoukster