@samplr.bsky.social @samplr.bsky.social 
Malware Unicorn @malwareunicorn.bsky.social @Straiker. Ex-Microsoft. Ex-Meta RedTeam, Ex-Endgame, Ex Fireeye. malwareunicorn.org
Azeria @azeria-labs.com Founder of Azeria Labs, Trainer, Author of Blue Fox: Arm Assembly Internals & Reverse Engineering
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/
Orange Tsai @orange.tw This is 🍊
dmnk @dmnk.bsky.social 【ＤΞＣＯＭＰＩＬΞ ＮΣＶΞＲ】
Android Red Team @google
Fuzzing @aflplusplus.bsky.social
CTF @enoflag
(opinions my own)
Daniel Klischies @dklischies.bsky.social Firmware/OS/Cellular Security Research @ruhr-uni-bochum.de
Michael Schwarz @misc0110.bsky.social InfoSec Faculty @ #CISPA. Side-channel attacks. Exploiting microarchitectures. Discovering CPU vulnerabilities.
Ken Shirriff @righto.com Computer history. Reverse-engineering old chips. Restored Apollo Guidance Computer, Alto. Ex-Google, Sun, Msft. So-called boffin.
Pietro Frigo @pfrigo.bsky.social Product Security @Qualcomm. Ex PhD @VUsec
ESET Research @esetresearch.bsky.social Security research and breaking news straight from ESET Research Labs.
welivesecurity.com/research/
Tim Blazytko @mrphrazer.bsky.social Binary Security Researcher & Trainer
Website: https://synthesis.to
Jonathan Bar Or ("JBO") 🇮🇱🇺🇸 @yo-yo-yo-jbo.bsky.social Security research architect for Microsoft Defender for cross-platform.
Linux, Windows, Android, MacOS, iOS, ChromeOS, baremetal.
https://jonathanbaror.com
Paul Rascagneres @r00tbsd.bsky.social Lord of Loaders at Volexity
Travis Goodspeed @travisgoodspeed.bsky.social Author of books and tools for reverse engineering. Studebaker driver, but an awful mechanic. Home chip decapsulation.
Currently writing a new assembler, to be released in February.
Marco Balduzzi @embyte.bsky.social Technical Research Lead | President and co-founder @bitm_hacklab @nohatcon | Co-founder @signalcapture | Tweets are my own
Merve Sahin @mervesahin.bsky.social mervesah.in
/dev/zero @compromised.systems Full of sound and fury
Signifying nothing
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
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
@cryptax.bsky.social @cryptax.bsky.social Android malware analysis. Ph0wn CTF founder. IoT hacking. Frequent speaker at Virus Bulletin, Insomnihack etc. Based in France.
Currently testing Bluesky. Otherwise on Mastodon.social.
Phrack Zine @phrack.org since 1985
https://phrack.org
jvoisin @dustri.org Blog feed for https://dustri.org/b
Also available at https://mastodon.social/@jvoisin
Great Scott Gadgets @greatscottgadgets.bsky.social Makers of HackRF One, Cynthion, YARD Stick One, and more. We design open source tools for innovative people.
Ivan Kwiatkowski @justicerage.bsky.social Security Researcher @Meta. Writer. Would-be musician. Maintainer of Manalyze and Gepetto. Trolling on a purely personal capacity.
e.v.m. home from DistrictCon 🏛️ @evm-sec.bsky.social PoC||GTFO booklegger. I publish zines and rage against (8,16,32)-bit machines. That guy you met @shmoocon that one time. RE @ JHUAPL (personal account). Matthew 7:7-8
Brad Spengler @spender.bsky.social President of @opensrcsec, developer of @grsecurity
Personal account
grsecurity @grsecurity.bsky.social Foundational security for the Linux kernel. Solving the most difficult memory unsafety problems. Created by @opensrcsec
@hasherezade.bsky.social @hasherezade.bsky.social Programmer, #malware analyst. Author of #PEbear, #PEsieve, #TinyTracer. Private account. All opinions expressed here are mine only (not of my employer etc) ; https://hasherezade.net
pancake @trufae.bsky.social Author of @radareorg, mainly active in the fediverse @pancake@infosec.exchange
Colin O'Flynn @oflynn.com Colin is a huge nerd. Hardware hacking, open-source hardware, electronics design, academic stuff, dog stuff in some order. Assistant Prof @ Dalhousie Uni, advisor/co-founder NewAE Technology Inc.
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- T @taviso.bsky.social @taviso.bsky.social
vx-underground (automated mirror) @vxundergroundre.bsky.social The largest collection of malware source code, samples, and papers on the internet.
Password: infected
(unofficial, this is a bot! Maintained by a private individual, the bot can't handle retweets or replies, support soonish)
argp @argp.bsky.social Hacker. Ascetic. Phrack author. The most technical boy in town.
Mickaël Salaün @l0kod.bsky.social Building Landlock, the Linux security sandboxing mechanism: https://landlock.io
🧑💻 https://digikod.net
🦣 https://mastodon.social/@l0kod
🐦 https://twitter.com/l0kod
Simone Aonzo @saonzo.bsky.social Malware hunter ☣ && Assistant Professor 👨🏻🔬 @EURECOM
X: https://x.com/packm4d
WWW: https://simoneaonzo.it/
LinkedIn: https://www.linkedin.com/in/simone-aonzo-290b05180/
Antonio Nappa @jeppojeps.bsky.social Quis custodiet ipsos custodes - Estimator of weird machines
Zimperium Inc. scholar, inventor.
Opinions just reflect your retina screen or the ones of your 🐈 eyes.
Author of Fuzzing Against the Machine - https://amzn.eu/d/8gDJX0K
Fabian Yamaguchi @fabsx00.bsky.social 
aurelsec @aurelsec.bsky.social Hackademic at S3@eurecom
Gynvael Coldwind @gynvael.bsky.social Security researcher/programmer ⁂ Managing director @ HexArcana ⁂ @DragonSectorCTF founder ⁂ he/him
Alex Plaskett @alexplaskett.bsky.social Security Researcher | Pwn2Own 2018, 2021, 2022, 2024 | Posts about 0day, OS, mobile and embedded security.
Perri Adams @perrib.us Fmr DARPA Program Manager | Fmrly Organizing DEF CON CTF with Nautilus | RPISEC Alumna | Personal account, opinions my own, RT ≠ endorsement
Martina Lindorfer @lindorfer.in Associate Professor Security & Privacy @ TU Wien. Key Researcher @ SBA Research (she/her). Avid Snacker. Professional Traveller. Mainly Lurker.
🖤 🦖🦙🐈🐶🦝📸🧩✈️🧟♀️
Giancarlo Pellegrino @gianko.bsky.social Faculty at CISPA.
Clémentine Maurice @bloody-tangerine.bsky.social Researcher at CNRS. Feminist. I work on microarchitectural security.
https://cmaurice.fr
nSinus-R @nsinusr.bsky.social Captures flags with Tasteless. Assistant Professor at UoB and maintainer of FirmWire & avatar2.
cts @gf256.bsky.social Hacker and meme enjoyer
b1ack0wl @b1ack0wl.com 0day Researcher @ ████████████ / Baker / 0wl
// I post random things on here
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.
the grugq @thegrugq.bsky.social 
@halvarflake.bsky.social @halvarflake.bsky.social 
Advanced Fuzzing League @aflplusplus.bsky.social We want to make fuzzing better and better
Follow for updates on AFL++ & LibAFL
Alex Gantman @againsthimself.bsky.social 
David (DWIZZZLE) Weston @dwizzzle.bsky.social Corporate Vice President, OS Security and Enterprise @Microsoft
Xeno Kovah @xenokovah.bsky.social Interested in reverse engineering, firmware, bluetooth, trusted computing, and training. Founder of OpenSecurityTraining2 https://ost2.fyi
mhackeroni @mhackeroni.bsky.social Italian CTF team. DEF CON finalists. Cyber. Pasta. And now even satellites?! ✉️ info@mhackeroni.it
Pietro Borrello @pietroborrello.bsky.social Security Researcher | PhD Alumn at @SapienzaRoma | Pwner at @TheRomanXpl0it and @mhackeroni | https://infosec.exchange/@pietroborrello
Giulio De Pasquale @peperunas.bsky.social Security Researcher @ | (very former) CTF player | Drummer and a bit of a bass player | Most importantly, Doom fanboy
Martin Schwarzl @marv0x90.bsky.social 
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
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
LiveOverflow 🔴 @liveoverflow.bsky.social wannabe hacker... he/him
🌱 grow your hacking skills https://hextree.io
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
Samuel Groß @saelo.bsky.social Working on Project Zero, Big Sleep, and V8 Security. Personal account.
chompie @chompie.rip hacker, poster, weird machine mechanic
https://chompie.rip
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.
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!
lukas seidel @pr0me.bsky.social Firmware Security • Embedded Systems • AI x Infosec •
Researcher @binarly • PhD Candidate @TUBerlin •
Capturing Flags with ENOFLAG
Gianluca Varisco @gvarisco.bsky.social Security @ Google Cloud
Romain Thomas (@rh0main) @rh0main.bsky.social Security engineer working on Android, reverse-engineering & obfuscation.
https://www.romainthomas.fr/ - https://obfuscator.re/ - https://lief.re
jduck @jduck.me Continuously learning about computer security through research and development.
biazo @vmcsptr.bsky.social Hyper-V Enjoyer
Brendan Dolan-Gavitt @moyix.net AI researcher at XBOW. Security, RE, ML. PGP http://keybase.io/moyix/
Maddie Stone @maddiestone.bsky.social Security Researcher at Google Project Zero. 0-days all day. Love all things reverse engineering. she/her
Ben Nagy @rantyben.bsky.social I turn latin poetry into long lists of floating point numbers. For (and only for) the purpose of potential employment I have a couple of phds or whatever.
@gannimo.bsky.social @gannimo.bsky.social 
Alex Matrosov @matrosov.bsky.social 
Ange @angealbertini.bsky.social Reverse engineer, file formats expert.
Corkami, CPS2Shock, PoC||GTFO, Sha1tered, Magika...
Security engineer @ Google. He/him.
Dave Aitel @daveaitel.bsky.social 
Michał Kowalczyk @mkow.bsky.social reverse-engineering / low-level security
Dragon Sector CTF vice-captain, Invisible Things Lab
Mastodon: @redford@infosec.exchange
Also known as Redford
raptor @raptor.infosec.exchange.ap.brid.gy When cryptography is outlawed, bayl bhgynjf jvyy unir cevinpl.
🌉 bridged from ⁂ https://infosec.exchange/@raptor, follow @ap.brid.gy to interact
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
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
CoolStar @coolstar.bsky.social iOS app & Windows kernel developer. Ex-jailbreaker
from San Francisco Bay Area, CA
plonk @plonk.bsky.social Berlin. Does things with computers and phones.
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.
Niklas B @niklasb.rce.associates research @ dfsec.com
Sam Thomas @xorpse.ghost.sh Program Analysis / Reverse Engineering
Website: https://xv.ax
@marcograss.bsky.social @marcograss.bsky.social 
Caroline Lemieux @cestlemieux.bsky.social now: Assistant Professing™ in Software Practices Lab at UBC. was: postdoc MSR NYC, phd UC Berkeley. also at https://mastodon.acm.org/@cestlemieux. she/her.
Davide Balzarotti @balzarot.bsky.social Professor in Computer Security @EURECOM
Ex Defcon CTF organizer with @oooverflow
Fabio Pagani @pagabuc.bsky.social 
@silviocesare.bsky.social @silviocesare.bsky.social 
Giovanni Lagorio @zxgio.bsky.social Security enthusiast, CTF player, co-founder of ZenHack Team; he/him
Zion Leonahenahe Basque @mahal0z.bsky.social Native Hawaiian Hacker | Prev Co-captain of @Shellphish | PhD Student in Comp Sci @ASU l Decompiler Research | https://mahaloz.re
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 .
Bluesky @bsky.app official Bluesky account (check username👆)
Bugs, feature requests, feedback: support@bsky.app