Daniel Roethlisberger @droethlisberger.bsky.social security & software engineering · cyber defense · civil society
https://infosec.exchange/@droe
Susanna Marsiglia @susydrake.bsky.social 💻 #SEO and #GEO specialist
☀️ Daydream believer
📸 Amateur photographer
🧘🏻♀️Co-founder of zenacademy.it
🐈 Cats are my love language
https://marsiglia.digital/
Kenneth Dée @kennethdee.be Watch: Hacked on Streamz
| 🎥 tech journalist / Cyborg at DPG Media
| 🌐 https://kennethdee.be
| 📧 kenneth.dee@dpgmedia.be |
Kate O'Flaherty @kateoflaherty.bsky.social Freelance cybersecurity and privacy journalist @theguardian.com | @wired.com | @Forbes | IT Pro | SC Media UK and more.
Dogs 🐕
gattaca @gattaca.bsky.social Grump, keynote, breaker of things, dad, podcaster, creator of (-:|3, OG, raconteur, gentleman spy, investor, whisky distillery owner
Gary Williams @garywilliams.bsky.social IT Person with a focus on Cyber security and risk management | Spiceworks moderator | Fascinated by logistics | Great believer in tea fixing all problems
Mikko Polvi @perickles.bsky.social Cyber Risk • Cyber Security • Risk Management • Cyber Insurance
Fher @ferdinand.eurosky.social Economics teacher and global citizen dedicated to linking real-world issues to economic principles, inspiring students to think critically and act for a sustainable future.
blueteambassist @blueteambassist.bsky.social 🔵 Detection engineer
🎸 Bass player
🇳🇱 The Netherlands
@phosphoric-glow.bsky.social @phosphoric-glow.bsky.social - G @gankouskhan.bsky.social @gankouskhan.bsky.social
Baklava Monster, CISSP @ant0i.net can i haz cookies?
Anton Waagaard @antonsaccount.bsky.social https://antons.site
@olistik.bsky.social @olistik.bsky.social 
emil @emilpls.bsky.social Code/Cloud/Security
Ethereum Foundation @ethereum.foundation The Ethereum Foundation (EF) is a non-profit that supports Ethereum. We work alongside the rest of the Ethereum ecosystem to improve the protocol, grow our community, and advocate for Ethereum.
Ethereum @ethereum.org The universal platform for crypto, blockchain apps, stablecoins & decentralized tech. An account about the Ethereum ecosystem maintained by @ethereum.foundation.
Mario Sangiorgio @mariosangiorgio.com 🇮🇹🇬🇧 Senior software engineer at . I like programming languages, developer tools and distributed systems. I also play with my homelab and electronics.
Solar powered
Luca Brivio @brivio.name Teacher, neurobiologist, hyper-follower from Milan, Italy.
Andrea Draghetti @andreadraghetti.bsky.social aka Drego.
Head of Threat Intelligence at D3Lab! Phishing Army, tosint and meioc is my projectj!
My passions are #F1 and #Running!
My blog, my CV and my projects ⬇️
https://andreadraghetti.it
Bob Elliott @bobeunlimited.bsky.social CIO @ Unlimited | Fmr Bridgewater IC | Described as one of the few "sane" voices on #fintwit (or is it #finsky?) | Comments are not investment advice
Armagan @armog.bsky.social ops at @aboutcircles.bsky.social, leading @dappcon.bsky.social, always Gnosis, resident
Fullnode Berlin
Georgios @gakonst.bsky.social very greek accent.
cto & research partner @paradigm
optimist and rustacean 🦀
reth, foundry, alloy
🪷 kumavis 🪷 @kumavis.me local loopback device operating in multicast. researching secure composability in software.
self sovereign digital identity + distributed object capabilities
𓃦
jonaherlich.eth @jierlich.bsky.social Cypherpunk. Co-founder at Den (onchainden.com) 
Mykola Siusko @siusko.bsky.social Fostering privacy via Web3Privacy now: http://web3privacy.info
Research Ukrainian futurism: https://zorelit.space
Art house movies, The Wire mag, Sitges Film festival, Karagarga, Soulseek.
Thumbs Up @thumbsup.me new blog: thumbsup.me
profile pic by ilya kazakov
banner by yon frula
Vocdoni 🗳️ Voting Protocol @vocdoni.io Open-source blockchain voting protocol that is scalable, auditable, censorship-resistant & anonymous 🗳 http://vocdoni.io
Florian Glatz @heckerhut.bsky.social Building bzz://freedombrowser.gwei
OG https://blockchain.lawyer
VP at https://ethereum.institute
Explaining the incomprehensible to the indifferent.
Dominic @dmnc.bsky.social product designer based in EU 🇪🇺 ✴︎ mixing design, UX, AI and good taste ✴︎ creator http://katalog.club ✴︎ co-founder http://commonground.cg
ETHPrague @ethprague.bsky.social Hackathon & Conference 🗓️ May 8 - 10, 2026
🔗 https://ETHPrague.com/
💬 https://t.me/ethprague
1W3.eth @1w3.eth.limo No-Code #Web3 Site builder. A one-stop solution to design, build and publish a web3site on #IPFS #ArWeave for your #ENS Domains.
Dan Finlay @danfinlay.com Just futzing around
@lefterisjp.bsky.social @lefterisjp.bsky.social 
Piergiorgio Catti De Gasperi @pg.web3privacy.info Co Founder & COO web3privacy.info ✦ Politics of Care - Digital Rights, Tech Governance
Felix Atter @felixatter.bsky.social Hacker, Maker, and all around geek with a ravenous curiosity on how the world around me works. Infosec leader and mentor.
martin@nord-nord-sec.de @nord-nord-sec.de he/him
editor @ newsletter.nord-nord-sec.de
father
husband
dog & catfather
nerd
Amni Rusli @amnirusli.bsky.social Quant, Economist. I write about the US monetary policy at eightateeight.substack.com and about trade at https://eighttradeeight.substack.com/
Paolo Perego 🦄🦍🛡️🐧 @thesp0nge.bsky.social I find vulnerabilities in software for living | Offensive security | Open source enthusiast | OSCE && OSCP | Content creator | Speaker | 🏒 | 👨👩👧👦 | Security Engineer @ Kong 🦍 | Chaotic Neutral Elistraee Cleric
📣 Tweets are my own
Daniel Stelter-Gliese @aerotiger.bsky.social 
@georgehotz.bsky.social @georgehotz.bsky.social 
Lieven Desmet @lievendesmet.bsky.social Professor Security & Privacy at DistriNet, KU Leuven
https://distrinet.cs.kuleuven.be/people/LievenDesmet
L² @lgde.bsky.social DFIR. Ex-Lead intelligence. Ex @ANSSI_FR. PhD in intl law. Mostly working on Chinese #APT but also on russian and cybercrime actors #ThreatIntel #Malware #DFIR https://linktr.ee/l_lgde
Philip Silva @silva.ph Freelance Software Engineer based in Berlin
Working with Web, Go, Linux (also interested in OpenBSD, Plan 9)
silva.ph
𝗴𝗼 𝚗𝚣𝚊𝚕𝚘(𝚌𝚝𝚡) @gon.cat SWE and ≡𝐺𝑂pher at tetrate.io. bcneng.org community founder. (neo)Vim connoisseur and cooking lover. Tramuntana resident.
Amateur photographer. Metalhead. gon.cat 🐱
Niels Heinen @heinen.bsky.social Security tooling at scale | honeypot dev
exigent07 @exigent07.bsky.social Web Security Researcher | CTF Player @teambi0s
Antonio Pitasi @anto.pt Gopher at Grafana - https://anto.pt
Alex Hernandez @alt3kx.bsky.social Red Teamer | PentTester | Bug Bounty | 0day guy! | Researcher | Lone Wolf...l opinions expressed are mine
🇪🇺 🏴☠️ 🔗 https://alt3kx.github.io/
TomNomNom @tomnomnom.com Computer booper and food enthusiast. He/him.
s1r1us | Mohan Sri Rama Krishna Pedhapati @mohansrk.bsky.social Founder @ElectrovoltSec Browser and Web Security @cure53berlin, Blockchain Security @osec_io, Rambling on http://mohansrkp.substack.com
Gabriele D'Angelo - Gd'A @portazero.it There are more things in heaven and earth, Horatio,
Than are dreamt of in your philosophy. (Hamlet, scene V)
www.portazero.it
Robert Auger @robertauger.bsky.social 25 years Appsec,PurpleTeam,Web Application Security Consortium(WASC) cofounder,Baythreat Organizer,Ex-PayPal/eBay/Box/Workday/Coinbase infosec. http://Sectemplates.com | https://www.cgisecurity.com/ | https://github.com/securitytemplates/sectemplates
Eduardo Vela @sirdarckcat.bsky.social 
David Weinstein @insitusec.com CTO, software, code archaeology, security, mobile apps, startups, NP Hard, AI things
auonsson @auonsson.bsky.social Every system is a sensor if you hold it right.
Main arena, Baltics. 🇸🇪
mastodon.world/@auonsson , x.com/auonsson backup 🇸🇪- 2 Arjun @247arjun.com Posts are my own.
Nikita @nikiv.dev nikiv.dev
Alfonso @alfonsos.bsky.social 
@pubal.bsky.social @pubal.bsky.social Security g33k. Advanced persistent dad. GSE #220.
Thomas Fillaud @thomasfld.bsky.social Infosec Frenchie 
Antoine Roly @aroly.bsky.social Hacker, Bug Bounty Hunter, Pentester,...
From Namur, BE.
Foxtrot Charlie @foxtrot-charlie.bsky.social I just want to be a hacker. 
({({(Null Operator)})}) @null0perat0r.bsky.social | 🔐 appsec | 🤓 CTO | ✨ indy hacker | 🎛️ modular synth | 🪳 coder | 🏕️ camping
Developer of Faction: an open source pentesting framework.
https://github.com/factionsecurity/faction
https://bsky.app/profile/factionsecurity.com
Ian Murphy @ianmurphy.bsky.social He/him/his. Cat butler. Shuffling with a bovine grace 🐄 
hackerfantastic.crypto @hackerfantastic.bsky.social Co-Founder https://hacker.house cyber security assurance & hacker training ~ ISBN9781119561453 ~ a book on professional hacking. Contact for competitive quotes on cyber security projects. 
XPN @xpnsec.com Hacker for hire at @specterops.bsky.social
Blog: https://blog.xpnsec.com
Matthew Di Ferrante @mattdf.bsky.social software engineer, vuln finder // into machine learning, formal methods, cryptography, pure maths, finance, game theory // links/contact: https://mattdf.com // twitter: @matthewdif
Sarah Young @sarahyo.com Security & AI stuff @ Microsoft | Co-host of @azsecpod.bsky.social | Dogs, food and cyber security posts | Opinions mine, not my employer's | 🇬🇧 living in 🇦🇺 | Sarahyoung.io
Patrick C Miller @patrickcmiller.bsky.social Critical Infrastructure & Industrial Security Advisor. Ampyx Cyber CEO. Public speaker. Airport dweller. Recovering regulator. BEERISAC member. CCI US Coordinator. Former SANS Instructor.
#ICS #OT #NERCCIP #NIST #IEC62443 #NIS2 #CRA #SlavaUkraini
Patrick Doyle @pcdoyle.com Systems Engineer—Infrastructure/Cybersecurity
IT and OT
I like talking about space, tech, the environment, books, dogs, and the oxford comma. 🇨🇦 He/Him.
Antonio Cocomazzi @splintercode.bsky.social offensive security - windows internals - reverse engineering | X: https://x.com/splinter_code | Mastodon: https://infosec.exchange/@splinter_code | GitHub: https://github.com/antonioCoco | Blog: https://splintercod3.blogspot.com/
kate conger @kateconger.com tech reporter for the NYT!
co-author of CHARACTER LIMIT!
signal: kateconger.11
buy our book: https://www.penguinrandomhouse.com/books/737290/character-limit-by-kate-conger-and-ryan-mac/
tour dates & translations: https://linktr.ee/kateconger
Kevin Johnson @secureideas.bsky.social I am a nerd that started a company almost 15 years ago. Secure Ideas is a security consulting firm focused on helping clients have the best penetration testing experience. I am also an IANS faculty member and currently an OWASP global board member. 
Andrew Hay @andrewsmhay.bsky.social COO, CISO, problem solver, team builder, silo breaker, data geek, international public speaker, competitive powerlifter, and proud husband.
Amélie Koran (webjedi) @webjedi.bsky.social Security Hobo, Itinerant Technologist, Policy Anti-Wonk, Former Senior Fellow at The Atlantic Council, Teller of Tales for Darknet Diaries #91 (and other venues). All opines are my own. RS/Fav/Follow≠Endorsement.
pdp11hacker @pdp11hacker.bsky.social Cybersecurity consultant.
https://cybersecurity-oversight.ghost.io
Live your life so that Kendrick never smiles at you on TV
Claudio @sonoclaudio.ransomnews.online * Co-founder https://ransomnews.online/ | @ransomnews.online
* Ransomware Activity Disclosure
* Trying to understand even those who don't express themselves in binary code
* Genetic code: Pinkfloydian
Michael Weissbacher @mweissbacher.bsky.social Securing Block (Square) infrastructure. Previously security research at Northeastern University. Internationally acclaimed Schnitzel expert 🇦🇹 mweissbacher.com NYC 🗽
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
Samuel Groß @saelo.bsky.social Working on Project Zero, Big Sleep, and V8 Security. Personal account.
Gabriele Petronella @gabro27.bsky.social Co-founder and CTO @ buildo.com
Michael Moore @michaelmoore.ai #AI, #Cybersecurity, and other technology topics. Trying to make the world a better place. Personal account; my views only. Work: https://s1.ai/purple at @sentinelone.com
Nathan McNulty @nathanmcnulty.com Loves Jesus, loves others | Husband, father of 4, security solutions architect, love to learn and teach | Microsoft MVP | @TribeOfHackers | 🐘infosec.exchange@nathanmcnulty
Cosimo Comella @scunzajocu.bsky.social Buonista immigrazionista franceschista vaccinista terratondista fieramente siciliano ed europeista.
Giancarlo Pellegrino @gianko.bsky.social Faculty at CISPA.
Évariste Galois @evaristegal01s.bsky.social 
Infosecjen @infosecjen.bsky.social Mostly nonsense, sometimes about security and/or policy. Often innuendo.
Luca Bongiorni @cyberantani.bsky.social 𝘛𝘦𝘭𝘤𝘰 🛰 - 𝘗𝘩𝘺𝘴𝘪𝘤𝘢𝘭 🔓- 𝘐𝘊𝘚 🏭 - 𝘐𝘰𝘛 🤖 Security {𝐑𝐞𝐬𝐞𝐚𝐫𝐜𝐡𝐞𝐫 | 𝐒𝐩𝐞𝐚𝐤𝐞𝐫 | 𝐈𝐧𝐯𝐞𝐧𝐭𝐨𝐫 | 𝐈𝐧𝐬𝐭𝐫𝐮𝐜𝐭𝐨𝐫}
📺 https://youtube.com/@whid_ninja
🌐 whid.ninja
📖 whid.ninja/blog
Don't Ask What I Think about🍍➕🍕! I may get offensive 🇮🇹🤌😜
Giovanni Toffoletto @gtoffo.bsky.social Industrial engineer Polimi, CEO of LexDo.it: we make opening & running a business in Italy simple, Board member Innovup, Wikipedia lover/editor #Startups, #Climate, #Energy, #Aerospace, Milano 🇮🇹🇪🇺🌍
Vincenzo Tiani @vincenzotiani.bsky.social 💼 #privacy #AI in Brussels 🗣️ Speaker 🎓PhD Candidate VUB 👨🏫 Adj. Prof. EDHEC Business School ✍️ WIRED Italia, Il Sole 24 ore, La Repubblica
linktr.ee/vincenzotiani
Marco Bonelli @mebeim.bsky.social https://mebeim.net
Tommaso Fontana @zom.wtf Crying at LLVM and MLIR @revng
CTFfing with @mhackeroni