Erik Rye @erye.bsky.social Artisanal packet craftsman
Security, privacy, networks @ Johns Hopkins
erikrye.com
@henri2h.bsky.social @henri2h.bsky.social 
@augustine386.bsky.social @augustine386.bsky.social 
Gernot Heiser @microkerneldude.bsky.social Physicist by training, computer engineer by passion
Scientia (distinguished) Professor and John Lions Chair of Operating Systems at UNSW Sydney and Founding Chairman of the seL4 Foundation
FACM FIEEE FTSE FRSN ML
@poomsmart.bsky.social @poomsmart.bsky.social 
State of Statecraft Conference @what-is-sos.bsky.social Official account of the State of Statecraft conference.
Coming October 22, 2026 - Brussels, Belgium
http://stateofstatecraft.com
#what_is_sos
Dan Underwood @underwood.digital Security Engineering @ Apple, Ex-UK Gov
The intersection of technology (device and national security), and liberal arts (public policy)
ANSSI @anssi-fr.bsky.social Compte officiel de l'Agence nationale de la sécurité des systèmes d'information (ANSSI) | Retrouvez les alertes de #cybersécurité sur le compte @cert-fr.bsky.social
Gabriel Gegenhuber @ggegenhuber.bsky.social #InfoSec enthusiast; security and privacy PhD candidate; opinions are my own
Rayhunter @rayhunter.eff.org Rayhunter is a project for detecting IMSI catchers, also known as cell-site simulators or stingrays. It was first designed to run on a cheap mobile hotspot. I'm the project mascot, Big Yachty, I live at https://github.com/EFForg/rayhunter/
Exploit Code Not People @cooperq.com Cybertiger. Senior Staff technologist at @eff.org Fellow @citizenlab.ca Board member @openarchive.bsky.social. "Noted activist security type." Anti-fascist. he/him. My skeets do not represent views of my employers ⵣ🏴 signal: cooperq.01
Koh M. Nakagawa @tsunek0h.bsky.social Security Researcher at FFRI Security, Inc.
Working on macOS security
Jacob Latonis @jacoblatonis.me 🦆
mach-o enthusiast
Pasquale Stirparo 🇺🇦 🇪🇺 @pstirparo.bsky.social Founder @ RationalEdge
#ThreatIntel #ICS #DFIR; ''Learning iOS Forensics'' author;
#BSidesZH #PIVOTcon org.
@pivotcon.bsky.social
https://pstirparo.ch
https://rationaledge.io
Related interests/obsessions:
#ThreatHunting #CTI #YARA #CriticalThinking #Books
Brandon Dalton @partyd0lphin.bsky.social Senior Security Researcher at CrowdStrike
https://swiftly-detecting.notion.site
Stuart Ashenbrenner @stuartjash.bsky.social Principal macOS Security Researcher @ Huntress | 🏀 Skill Development Coach | 🖼️📖
alden @re.wtf malware enjoyer • macOS security
https://alden.io
Raphaela Mettig @rmettig.com Researcher and PhD student. Personal account.
rmettig.com/about
Ed Zitron @edzitron.com British, But In Las Vegas and NYC
ezitron.76 Sig
Newsletter - wheresyoured.at
https://linktr.ee/betteroffline - podcast w/ iheartradio
Chosen by god, perfected by science
CEO at EZPR.com
@brycebostwick.bsky.social @brycebostwick.bsky.social 
plx @plzdonthaxme.bsky.social radical new twitter experience!
Reece Martin @rmtransit.bsky.social Writer, CS Grad, environmentalist and optimist.
Focused on infrastructure, macro-systems, and excellence. Bylines in The Globe and Mail, Maclean's, and Toronto Star. DMs Open.
https://www.thetransitbrief.net/- K Daniel Komaromy @kutyacica.bsky.social There's no crying in baseband. Security researcher, !SpamAndHex CTF player, Pwn2Own winner, founder of TASZK Security Labs.
Veelasha Moonsamy @veelasha.bsky.social Professor | HGI | Excellence Cluster CASA | Ruhr University Bochum 🇩🇪
Guest Researcher | Radboud University 🇳🇱
IoT/mobile security & privacy researcher
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.)
Daniel Klischies @dklischies.bsky.social Firmware/OS/Cellular Security Research @ruhr-uni-bochum.de
matteyeux @matteyeux.bsky.social iOS fun
Hexacon @hexacon.bsky.social Offensive security conference in the heart of Paris. 10-11th October 2025
https://www.hexacon.fr/
Molly White @molly.wiki writes citationneeded.news • runs @web3isgoinggreat.com and @influence.citationneeded.news • tech researcher and cryptocurrency industry critic • software engineer • wikipedian
support my work: citationneeded.news/signup
links: mollywhite.net/linktree
💗💜💙
Micah Lee @micahflee.com Doing what I can to keep activists, journalists, and researchers safe and productive — writing at https://micahflee.com — author of HACKS, LEAKS, AND REVELATIONS https://hacksandleaks.com — signal: micah.01
Matthew Green @matthewdgreen.bsky.social I teach cryptography at Johns Hopkins. https://blog.cryptographyengineering.com
Runa Sandvik @runasand.bsky.social Founder of Granitt, securing journalists and at-risk people around the world. 
Recon @reconmtl.bsky.social Recon is the premier Reverse Engineering and Security conference held annually in Montreal. https://recon.cx
golby @golby.bsky.social macOS Threat and Detections Researcher @ Jamf
CCC @ccc.de Der Chaos Computer Club ist eine galaktische Gemeinschaft von Lebewesen für Informationsfreiheit und Technikfolgenabschätzung. https://ccc.de
Fraunhofer SIT @fraunhofersit.bsky.social Cybersicherheit und Privacy
https://www.sit.fraunhofer.de/de/impressum/
https://www.sit.fraunhofer.de/datenschutzerklaerung/
Kate Robertson @kate-ro.bsky.social human rights, tech, law | senior research associate
@CitizenLab @UofT @munkschool | former criminal lawyer and
@SCC_eng clerk | posts mine
Bill Marczak @billmarczak.org senior researcher at @citizenlab.ca
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
UKP Lab @ukplab.bsky.social The Ubiquitous Knowledge Processing Lab researches Natural Language Processing (#NLProc) with a strong emphasis on Large Language Models, Conversational AI & Question Answering | @cs-tudarmstadt.bsky.social · @TUDa.bsky.social
https://www.ukp.tu-darmstadt
Xeno Kovah @xenokovah.bsky.social Interested in reverse engineering, firmware, bluetooth, trusted computing, and training. Founder of OpenSecurityTraining2 https://ost2.fyi
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 ✨🌈🦄
Jonas Franken @jonasfranken.eurosky.social researching maritime critical internet infrastructure #protection and #resiliency , focus on subsea data cables
https://peasec.de/team/franken/
Intelligent Autonomous Systems @ias-tudarmstadt.bsky.social Intelligent Autonomous Systems Group @TUDarmstadt working on Robot Learning, the intersection of robotics and machine learning.
Led by Prof. Jan Peters
https://www.ias.informatik.tu-darmstadt.de
@halvarflake.bsky.social @halvarflake.bsky.social 
Swift Language @swift.org Swift is a general-purpose programming language that's fast, modern, safe, and a joy to write. Designed for all, developed in the open.
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 Gurman @markgurman.bsky.social Breaking News on Apple and Tech. Bloomberg Managing Editor and Chief Correspondent. Subscribe to Power On. Tips: mark@markgurman.com. Signal: markgurman.01. Telegram: GurmanMark.
ULB Darmstadt @ulbda.bsky.social Offizieller Bluesky-Account der Universitäts- und Landesbibliothek Darmstadt.
https://www.ulb.tu-darmstadt.de/die_bibliothek/index.de.jsp 
Jordan Wiens @psifertex.bsky.social Binary Ninja dev, Cuber, EUC rider.
Computer Science, TU Darmstadt @cs-tudarmstadt.bsky.social Since 1972, we research and study computer science at TU Darmstadt | @tuda.bsky.social. Follow us for updates on the department! Imprint: http://informatik.tu-darmstadt.de/impressum
Leo Balduf @leobalduf.bsky.social Computer Science PhD @ TU Darmstadt by day, Generative Art during free time.
https://bsky.leobalduf.com
Dominik Moritz @domoritz.de Visualization, data, AI/ML. Professor at CMU (@dig.cmu.edu, @hcii.cmu.edu) and researcher at Apple. Previously @idl.uw.edu. Also sailboats ⛵️ and chocolate 🍫.
www.domoritz.de
Niklas @hibo98.bsky.social 
Nico @kaenganxt.dev He/him. Pirat. Softwareentwickler. Hat manchmal Recht und oft eine Meinung.
“Don't Panic.”
LOEWE emergenCITY @emergencity.de Ziel unserer Forschung ist der Schutz digitaler Städte vor Katastrophen. Dazu entwickeln wir widerstandsfähige Infrastrukturen, die Menschenleben retten.
ATHENE Center @athenecenter.bsky.social ATHENE: Applied cybersecurity research for industry, society and government
https://www.athene-center.de/impressum
RE//verse @re-verse.io https://re-verse.io/ reverse engineering conference
nSinus-R @nsinusr.bsky.social Captures flags with Tasteless. Assistant Professor at UoB and maintainer of FirmWire & avatar2.
ipsw @ipsw-tool.bsky.social iOS/macOS Research Swiss Army Knife - https://github.com/blacktop/ipsw
Natalie Silvanovich @natashenka.bsky.social Google Project Zero
TU Darmstadt @tuda.bsky.social Hier postet die TU Darmstadt: #TUDa #researchTUDa Impressum: https://tu-darmstadt.de/impressum/
hessian.AI @hessianai.bsky.social hessian.AI conducts cutting-edge AI research, provides computing infrastructure & services, supports start-up projects, ensures the transfer to business and society and thus strengthens the AI ecosystem in Hesse & beyond. https://hessian.ai/legal-notice
Samuel Groß @saelo.bsky.social Working on Project Zero, Big Sleep, and V8 Security. Personal account.
maxammann @maxammann.bsky.social Security researcher and open-source enthusiast, volunteer at Digitalfabrik- M Jonathan Metzman @metzmanj.bsky.social I work on OSS-Fuzz
Tim Blazytko @mrphrazer.bsky.social Binary Security Researcher & Trainer
Website: https://synthesis.to
Merlin Chlosta @merlinchlosta.bsky.social IT Security PhD from RUB. Telco / mobile networks. ex-CISPA.
Hank Green @hankgreen.bsky.social Long Time Internet Guy
Joseph Cox @josephcox.bsky.social Hacking/crime/privacy journalist. Author of DARK WIRE, buy here: https://www.hachettebookgroup.com/titles/joseph-cox/dark-wire/9781541702691/#preorder Co-founder of 404 Media. Signal: joseph.404 Email: joseph@404media.co
LaurieWired @lauriewired.bsky.social researcher @google; serial complexity unpacker
ex @ msft & aerospace
hextree.io @hextreeio.bsky.social 🌱 Grow your cybersecurity skills with concise and well-edited courses - in early access now! Created by @LiveOverflow and @stacksmashing.
https://hextree.io/
Frederic Jacobs @fredericjacobs.com www.fredericjacobs.com
https://ger.mx/A-RGsldmQt0iXfnzPgXNzLzA5_jvDbWHabqz1yJrt2ma#did:plc:oxwmqopgbm3driwzues7odpz
Kristian Kersting @kerstingaiml.bsky.social AI Prof at TU Darmstadt, Founding Co-Director Hessian.AI, DFKI, AAAI/EurAI/AAIA/ELLIS Fellow, AAAI24 Ass. PC CoChair, Fmr. PC CoChair UAI, ECML PKDD, Invest. @Aleph__Alpha, Fmr. AI Column German Newspaper Welt (am Sonntag) 
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
Marcus Hutchins @malwaretech.com threads.com/@malwaretech
https://linkedin.com/in/malwaretech
https://marcushutchins.com
GrapheneOS @grapheneos.org Open source privacy and security focused mobile OS with Android app compatibility.
https://grapheneos.org/
Alex Plaskett @alexplaskett.bsky.social Security Researcher | Pwn2Own 2018, 2021, 2022, 2024 | Posts about 0day, OS, mobile and embedded security.
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.
Rowan @novafacing.bsky.social fuzzing enjoyer
@novafacing@haunted.computer
Carl Smith @rwx.page Security @Google, Personal Account.
Cornelius Aschermann @is-eqv.bsky.social Fuzzing & stuff https://hexgolems.com
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
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
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.
Sean @whatthefuzzvr.bsky.social iOS Security Researcher
Binary Ninja @binary.ninja https://binary.ninja/
Made with ❤️ by https://vector35.com/
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