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/
Marcel Böhme @mboehme.bsky.social Software Security @ MPI for Security and Privacy
PhD @NUS, Dipl.-Inf. @TUDresden
Research Group: http://mpi-softsec.github.io
Carl Smith @rwx.page Security @Google, Personal Account.
Cornelius Aschermann @is-eqv.bsky.social Fuzzing & stuff https://hexgolems.com
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
@gannimo.bsky.social @gannimo.bsky.social - 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
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.
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.
maxammann @maxammann.bsky.social Security researcher and open-source enthusiast, volunteer at Digitalfabrik
Sebastian Neef (@gehaxelt) @gehaxelt.bsky.social PhD Candidate & Freelancer. WhiteHat. Bughunter. CTFs @ENOFLAG
Founder of internetwache.org
Blogs: https://0day.work, gehaxelt.in, blogbasis.net
Website: https://sebastian-neef.de
Also on infosec.exchange
Stefan Nagy @snagycs.bsky.social Faculty @utah.edu.
My lab hunts bugs: https://futures.cs.utah.edu/bugs.
Mastodon: snagy@infosec.exchange
Twitter: @snagycs
Gabriel Sherman @gabriel-sherman.bsky.social Ph.D. Student at the University of Utah | Computer Security
https://gabe-sherman.github.io/
@thuanpv.bsky.social @thuanpv.bsky.social Senior Lecturer in Cyber Secutity at @UniMelb & ARC DECRA Fellow. Prev @MonashInfotech & @NUSComputing . (Fuzz) Testing enthusiast.
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.
2ourc3 @2ourc3.bsky.social chasing bugs
David Korczynski @davkor.bsky.social Software security with a heavy focus on fuzzing and program analysis. Researcher at Ada Logics
dmnk @dmnk.bsky.social 【ＤΞＣＯＭＰＩＬΞ ＮΣＶΞＲ】
Android Red Team @google
Fuzzing @aflplusplus.bsky.social
CTF @enoflag
(opinions my own)
buherator @buherator.bsky.social "I'm interested in all kinds of astronomy."
https://scrapco.de
Mostly cross-posting from Fediverse: @buherator@infosec.place
Cedric Pernet @cedricpernet.bsky.social Senior Threat Researcher @ Proofpoint.
Cybercrime / Cyberespionage aficionado.
Has worked in several CSIRTs/CERTs.
Metal & Rock dude, never enough guitars.
Motorcycles fan.
Wrote a book in French language on cyberespionage.
Ex-Law Enforcement Officer
Apple 🍎 @trimosx.bsky.social 
Romain Thomas (@rh0main) @rh0main.bsky.social Security engineer working on Android, reverse-engineering & obfuscation.
https://www.romainthomas.fr/ - https://obfuscator.re/ - https://lief.re
Romain || BZHugs @jouetromain.fr 📍Rennes
voydstack @voydstack.re VR @ Synacktiv, low level security enthusiast
https://voydstack.re/
radareorg @radareorg.bsky.social The official radare2 account in the Blueskyverse
Hexacon @hexacon.bsky.social Offensive security conference in the heart of Paris. 10-11th October 2025
https://www.hexacon.fr/
@ret2systems.bsky.social @ret2systems.bsky.social 
matteyeux @matteyeux.bsky.social iOS fun
Pierre Bienaimé @bienai.me 
Meysam @r00tkitsmm.bsky.social Security Researcher.
Yarden Shafir @yardenshafir.bsky.social A circus artist with a visual studio license
André Moulu @andremoulu.bsky.social Android Security Researcher @ Cellebrite
Matthias Kaiser @matthiaskaiser.bsky.social Vulnerability Researcher. 0xACED. Ex-Apple. Posts are my own.
Alex Plaskett @alexplaskett.bsky.social Security Researcher | Pwn2Own 2018, 2021, 2022, 2024 | Posts about 0day, OS, mobile and embedded security.
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
James Forshaw @tiraniddo.dev Security researcher in Google Project Zero. Author of Attacking Network Protocols. Posts are my own etc. 
@cfreal.bsky.social @cfreal.bsky.social 
jduck @jduck.me Continuously learning about computer security through research and development.
b1ack0wl @b1ack0wl.com 0day Researcher @ ████████████ / Baker / 0wl
// I post random things on here
professional rustacean 🦀🇺🇦🌻😷 @adhsec.bsky.social reverse engineering & vulnerability research, ex MWR Labs, generally bad at computers, memory safe(probably), OS internals/hypervisor/browser research and bug hunting r&d (❤️program/code analysis)🐞🔍 @adhsec on hellsite, they/them, enby, #AuDHD
d0ntrash @d0ntrash.bsky.social Security Researcher @neodyme.io | CTF, Fuzzing, Embedded Security
Bière Sécu Toulouse @bieresecutls.bsky.social Discord : https://discord.gg/yUsTKE4wQ9
Phenol @phenol42.bsky.social Former chemistry student. 42born2code alumni. Reversing and pwning stuffs at RandoriSec. 
Lukas Arnold @lukasarnld.bsky.social Researching iOS' Cellular Protocol Stack @ SEEMOO
Studying CS @tuda.bsky.social
🌍 https://lukasarnold.de
hypr @hyprdude.bsky.social vuln researcher+exploit dev | bordeaux enjoyer | friend of all cats | him/he | https://blog.coffinsec.com
LiveOverflow 🔴 @liveoverflow.bsky.social wannabe hacker... he/him
🌱 grow your hacking skills https://hextree.io
cleptho @cleptho.bsky.social Offensive Security | Вічна пам'ять / Вечная память
https://twitter.com/cleptho | https://infosec.exchange/@cleptho
Maddie Stone @maddiestone.bsky.social Security Researcher at Google Project Zero. 0-days all day. Love all things reverse engineering. she/her
Samuel Groß @saelo.bsky.social Working on Project Zero, Big Sleep, and V8 Security. Personal account.
David B. - _p0ly_ @pol-y.bsky.social Security expert @Synacktiv
Quentin M @0xdagger.bsky.social Security ninja
Baptiste M. (Creased) @creased.re #RE #Pwn #FPV ~ Learning is endless ~ 🇫🇷 ~ @Synacktiv.com
Mehdi Talbi @mtalbi.bsky.social 
Areizen @areizen.bsky.social Reverse engineer @synacktiv.com. I appreciate Android related stuff
angel_killah @angelkillah.bsky.social 
xarkes @xark.es IT & Hacking https://xark.es/
Aska @flutsunami-is-aska.bsky.social Former RE team lead
@synacktiv - Former @AirbusSecLab lead
Collector of Quote
Ivanlef0u @ivanlef0u.bsky.social ivanlef0u.fr
waldh4ri @waldh4ri.bsky.social DFIR Analyst
Hash Miser ✊🇺🇦 @hash-miser.bsky.social Internet janitor, #CERT #BlueTeam and Whisk(e)y enthusiast "Everything you do is useless ! Enjoy 🍻" hash_miser@infosec.exchange
@ha-kril.bsky.social @ha-kril.bsky.social 
face0xff @face.0xff.re vulnerability researcher · reverse engineer · Ⓥ🌱
https://0xff.re/
Mark Barnes @1nc4nu5.co.uk CTO @ Breakpoint Research
He/Him
Born at 340ppm
Synacktiv @synacktiv.com Offensive security company. Dojo of many ninjas. Red teaming, reverse engineering, vuln research, dev of security tools and incident response.
F4b @0xf4b.bsky.social VR team tech lead @synacktiv.com
Quentin Minster Picavet @laomaiweng.bsky.social Usual mood: confused. Ingénierie à rebours & endless home renovation. I always enjoy a good walk down the page tables. He/him.
Mastodon: @laomaiweng@infosec.exchange
Twitter/X: @laomaiweng
TrendAI Zero Day Initiative @thezdi.bsky.social TrendAI Zero Day Initiative™ (ZDI) is a program designed to reward security researchers for responsibly disclosing vulnerabilities.
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.
Łukasz @maldr0id.bsky.social Military-grade reverse engineer @ Google, working on Android malware
Got mistaken for a member of Project Zero once.
Everything here is my own opinion
he/him ✨🌈🦄
Bill Marczak @billmarczak.org senior researcher at @citizenlab.ca
chompie @chompie.rip hacker, poster, weird machine mechanic
https://chompie.rip
Mark Dowd @mdowd.bsky.social Internet hacker
Marcus Hutchins @malwaretech.com threads.com/@malwaretech
https://linkedin.com/in/malwaretech
https://marcushutchins.com
Pwnallthethings @pwnallthethings.bsky.social Just thinking out loud.
Patrick Howell O’Neill @patrickhowelloneill.com Journalist at Bloomberg News in DC. Signal: @howelloneill.01, email: patoneill1@bloomberg.net https://www.bloomberg.com/authors/AXb8dLPHBFc/patrick-howell-oneill
SwiftOnSecurity @swiftonsecurity.com computer security person. former helpdesk
Meredith Whittaker @meredithmeredith.bsky.social President of Signal, Chief Advisor to AI Now Institute 
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
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.
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
Kevin Beaumont @doublepulsar.com cybersecurity weather man. scanning the horizons for cloudy cyber. Expert at nothing except computer rubbish. Anti-ransomware since 2015.
Runa Sandvik @runasand.bsky.social Founder of Granitt, securing journalists and at-risk people around the world. 
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
Alex Stamos @stamos.org CPO/CSO of Corridor.dev, teaching at Stanford.