David Bessis @davidbessis.bsky.social Rogue mathematician
https://davidbessis.substack.com/
European Commission @ec.europa.eu News and information from the European Commission. Social media and data protection policy: http://europa.eu/!MnfFmT- H Oliver Chang @halbecaf.bsky.social Senior Staff Eng @ Google Open Source Security.
OSS-Fuzz, OSV.dev
Michael Rodler @f0rki42.bsky.social (he/him) Security Engineer/Researcher, PhD. AppSec, Fuzzing, Binary Analysis, Rust. Also 🤘🚴🥋👶
Nate Cardozo @natecardozo.bsky.social Senior Staff Privacy Engineer at Google working on sealed computing, ambient sensing, e2ee, and stuff. Formerly encryption policy at Meta/WhatsApp. Infosec lawyer at EFF before that. Biglaw long ago. Views are mine alone.
Laura Dee @lauradee.bsky.social Associate Prof at University of Colorado. I study the effects of climate change on ecosystems and people. Interested in how to effectively design and evaluate nature based solutions, evidence, and strategies for climate adaptation and conservation. She/her
Reuters @reuters.com 
Mikhail Shcherbakov @yu5k3.bsky.social Doing security research. For fun and profit...
Michael Weissbacher @mweissbacher.bsky.social Securing Block (Square) infrastructure. Previously security research at Northeastern University. Internationally acclaimed Schnitzel expert 🇦🇹 mweissbacher.com NYC 🗽
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!
Danny Y. Huang @danny-huang.bsky.social NYU professor in usable security & privacy - https://hdanny.org/
Gianluca Stringhini @gianlucastringhini.com Associate Professor at BU. Cybersecurity and Cybersafety. Come for the memes, stay for the science. Skeets are my own
Martina Lindorfer @lindorfer.in Associate Professor Security & Privacy @ TU Wien. Key Researcher @ SBA Research (she/her). Avid Snacker. Professional Traveller. Mainly Lurker.
🖤 🦖🦙🐈🐶🦝📸🧩✈️🧟♀️
Ben Stock @benstock.bsky.social Tenured Faculty @c-i-s-p-a.bsky.social Helmholtz Center for Information Security
dragosr @dragostech.bsky.social Autonomous Carbon Based LLM with 42 years of tuning on Information Attack and Defense.
Host of CanSecWest, and PacSec.
Security audits, code, IR, LLM, red team consulting.
Specialize in Firmware, and RF.
VA7MOV
Johannes Kinder @jkinder.bsky.social Professor @ LMU Munich
Security, Program Analysis, Machine Learning
Giancarlo Pellegrino @gianko.bsky.social Faculty at CISPA.
JinBlack @jinblack.bsky.social CTF Player @towerofhanoi and @mhackeroni | Security Researcher | Coach @CyberTeamItaly | Coach Team Europe | Space Security
Matteo Maffei @matteomaffei.bsky.social Professor at TU Wien, coordinator TU Wien Cybersecurity Center, SecInt Doctoral School, SpyCoDe SFB. ERC grant holder.
Christian Wressnegger @chwress.bsky.social Professor in Computer Security at Karlsruhe Institute of Technology (KIT)
https://intellisec.de/chris
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/
Giulio De Pasquale @peperunas.bsky.social Security Researcher @ | (very former) CTF player | Drummer and a bit of a bass player | Most importantly, Doom fanboy
Pietro Frigo @pfrigo.bsky.social Product Security @Qualcomm. Ex PhD @VUsec
Kevin Beaumont @doublepulsar.com cybersecurity weather man. scanning the horizons for cloudy cyber. Expert at nothing except computer rubbish. Anti-ransomware since 2015.
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.
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
Dino A. Dai Zovi @ddz.bsky.social I drink amari and I know things. $ddz
LMDDGTFY: https://duckduckgo.com/?q=dino+dai+zovi
NYC/BK
Eduardo Vela @sirdarckcat.bsky.social 
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.
Matthias Kaiser @matthiaskaiser.bsky.social Vulnerability Researcher. 0xACED. Ex-Apple. Posts are my own.
Federico Maggi @phretor.bsky.social Cybersecurity engineer, researcher, and advisor with broad technical and scientific experience on designing, analyzing, and testing security-critical systems. 🔗 https://trustial.org- A @adamdoupe.bsky.social @adamdoupe.bsky.social
Zardus @zardus.bsky.social Retired DEFCON CTF org.
Shellphish Captain Emeritus.
ASU Prof.
angr hacker.
pwn.college sensei.
Looking for students/interns!
https://yancomm.net
https://github.com/zardus
https://defcon.social/@Zardus
b1ack0wl @b1ack0wl.com 0day Researcher @ ████████████ / Baker / 0wl
// I post random things on here
Peter Goodman @cxx.dev C++ developer specializing in source and binary program analysis and transformation.
Charlie Miller @chuckmiller.bsky.social Located in Central Indiana. Obsessed with the weather. Know a lot about 70s and 80s music and TV. Democrat voter. Trump ruined yet another account of mine by causing me to shitpost a lot.
Amy B @nyanbox.stackchk.fail aka itszn (itszen)
0xffff000041414141
Security researcher creating pwnable puzzles
https://infosec.exchange/@nyanbox
https://x.com/itszn13
LLM Art: https://bsky.app/profile/alternet.site
Ange @angealbertini.bsky.social Reverse engineer, file formats expert.
Corkami, CPS2Shock, PoC||GTFO, Sha1tered, Magika...
Security engineer @ Google. He/him.
aurelsec @aurelsec.bsky.social Hackademic at S3@eurecom
Adriana Porter Felt @apf.bsky.social I like writing silly skeets, but that doesn't pay so I also make Google Chrome. mamá, Eng Director, volunteer at Second Harvest. 🇺🇲🇨🇷
Twitter: @__apf__
Claudio Criscione @criscio.net Security Robot Overlord @ Google.
Vulnerability Management
Sam Thomas @xorpse.ghost.sh Program Analysis / Reverse Engineering
Website: https://xv.ax
@marcograss.bsky.social @marcograss.bsky.social 
alkali @alkalinesec.bsky.social mobile security / symbolic execution . he / him
Davide Balzarotti @balzarot.bsky.social Professor in Computer Security @EURECOM
Ex Defcon CTF organizer with @oooverflow
Alexandros Kapravelos @kapravelos.com Head of Research @socket.dev
Professor @ncstate.bsky.social
systems and software security 💡
Alex Plaskett @alexplaskett.bsky.social Security Researcher | Pwn2Own 2018, 2021, 2022, 2024 | Posts about 0day, OS, mobile and embedded security.
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
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/
Meysam @r00tkitsmm.bsky.social Security Researcher.
buherator @buherator.bsky.social "I'm interested in all kinds of astronomy."
https://scrapco.de
Mostly cross-posting from Fediverse: @buherator@infosec.place
Rowan @novafacing.bsky.social fuzzing enjoyer
@novafacing@haunted.computer
Carl Smith @rwx.page Security @Google, Personal Account.
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 .
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- K kHz @khz.bsky.social melee, cybersecurity, leftism
Sönke @soenke.d-64.social Privacy Researcher based in Göttingen, Germany, previously working on Kernel Fuzzing @ TU Darmstadt.
Brendan Dolan-Gavitt @moyix.net AI researcher at XBOW. Security, RE, ML. PGP http://keybase.io/moyix/
434b @434b.bsky.social Vulnerability researcher | Fuzzing | Anything low-level excites me | Admin @ https://0x00sec.org | My tweets are my own | Blog: https://0x434b.dev
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
jiska @naehrdine.bsky.social ɿɘɘniϱnɘ ɘƨɿɘvɘɿ
🎦 youtube.com/@jiskac
📝 naehrdine.blogspot.com
🐥 twitter.com/naehrdine
🎓 hpi.de/classen
📱 reversing.training
LiveOverflow 🔴 @liveoverflow.bsky.social wannabe hacker... he/him
🌱 grow your hacking skills https://hextree.io
Moritz Schloegel @mu00d8.bsky.social Faculty @CISPA Helmholtz Center doing software security, program analysis, and fuzzing
Previously at SEFCOM lab @ASU and @RUB
Marco @handle.invalid Computólogo 🇦🇷
Liikt @liikt.bsky.social CTF player for ENOFLAG and PHD student at TU Berlin
lukas seidel @pr0me.bsky.social Firmware Security • Embedded Systems • AI x Infosec •
Researcher @binarly • PhD Candidate @TUBerlin •
Capturing Flags with ENOFLAG
plonk @plonk.bsky.social Berlin. Does things with computers and phones.
stacksmashing @stacksmashing.bsky.social Security researcher with a focus on hardware & firmware. I occasionally publish stuff on YouTube. Co-founder of
hextree.io. Contact: contact@stacksmashing.net
Hasnain Lakhani @mhlakhani.bsky.social I try to learn everything. Views hopefully my own. Nerd (PL, Rust, security, AI, systems, …). Leftist. Covid conscious. AuDHD (probably). YIMBY. Free Palestine.
@khaledyakdan.bsky.social @khaledyakdan.bsky.social - M Jonathan Metzman @metzmanj.bsky.social I work on OSS-Fuzz
nSinus-R @nsinusr.bsky.social Captures flags with Tasteless. Assistant Professor at UoB and maintainer of FirmWire & avatar2.
Coffeezilla @coffeezilla.bsky.social Internet Detective Exposing Scams. Follower of Jesus.
Support Investigative Journalism: http://patreon.com/coffeezilla
Signal Tipline: coffeezilla.01
joern @jrn.bsky.social Still your mom’s favorite hacker!- E Ero Carrera @ero.bsky.social
evacide @evacide.bsky.social Director of Cybersecurity @eff.org
Co-founder of @stopstalkerware.bsky.social
These opinions are my own, not my employer's
I did a TED talk once
Nils Puhlmann @npuhlmann.bsky.social Cybersecurity Executive and Thought Leader
Alex Pinto @alexcp.bsky.social Cybersecurity data storytelling. DBIR at Verizon Business. Previously serial founder and parallel shitposter. He/him.
Tomi Tuominen @tomituominen.bsky.social Gentleman Hacker: https://herrasmieshakkerit.fi
Marcel Böhme @mboehme.bsky.social Software Security @ MPI for Security and Privacy
PhD @NUS, Dipl.-Inf. @TUDresden
Research Group: http://mpi-softsec.github.io
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
Cornelius Aschermann @is-eqv.bsky.social Fuzzing & stuff https://hexgolems.com
Niklas B @niklasb.rce.associates research @ dfsec.com
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 Ⓐ
Marcus Botacin @marcusbotacin.bsky.social CS Assistant Professor at Texas A&M University, USA
CS PhD @ SECRET UFPR , Brazil
CE/CS Master @ UNICAMP, Brazil
#Malware Research; #Reverse Engineering #Antivirus #Forensics #Debugging
@MarcusBotacin@infosec.exchange
Website: marcusbotacin.github.io
Perri Adams @perrib.us Fmr DARPA Program Manager | Fmrly Organizing DEF CON CTF with Nautilus | RPISEC Alumna | Personal account, opinions my own, RT ≠ endorsement
Fabio Pagani @pagabuc.bsky.social 
@danielvf.bsky.social @danielvf.bsky.social 
Katie Moussouris (she/her/she-hulk/she-ra)🌻 @k8em0.bsky.social Founder & CEO LutaSecurity @payequitynow MIT&Harvard visiting scholar, @MasonNatSec fellow, 1/2 Chamoru, 1/2 Greek all-American hacker
Ian Coldwater 🧊🚫 @lookitup.baby Kubernetes SIG Security Co-Chair.
I hack things and build community.
Minneapolis. They/them. Stay punk 🏴
MSP feed info: https://bsky.app/profile/amityf.bsky.social/post/3mrv36uo4pc2a
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
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
the grugq @thegrugq.bsky.social 
Marcus Hutchins @malwaretech.com threads.com/@malwaretech
https://linkedin.com/in/malwaretech
https://marcushutchins.com
SwiftOnSecurity @swiftonsecurity.com computer security person. former helpdesk
Joanna Rutkowska @rootkovska.bsky.social https://tracesofhumanity.org
Previously: Golem Foundation/Wildland, Qubes OS, hardware/virtualization/OS security research.
Pwnallthethings @pwnallthethings.bsky.social Just thinking out loud.
Doctors Without Borders / Médecins Sans Frontières (MSF) @msf.ca 🚑 Providing medical care where & when it’s needed.
🥼 Fournir des soins médicaux humanitaires là où les besoins sont les plus grands.
Independent. Neutral. Impartial. | Indépendant. Neutre. Impartial.
doctorswithoutborders.ca | medecinssansfrontieres.ca