The Official Pulpit of CULT OF THE DEAD COW @cultdeadcow.com www.cultdeadcow.com
@muukong.bsky.social @muukong.bsky.social 
Ursula von der Leyen @vonderleyen.ec.europa.eu President of the @ec.europa.eu
Mother of seven. Brussels-born. European by heart. ๐ช๐บ
No Hat Con @nohatcon.bsky.social Computer Security Conference | 10th October 2026 | Bergamo (Italy)
More info: nohat.it
Mustafa Suleyman @mustafasuleymanai.bsky.social CEO of Microsoft AI | Author: The Coming Wave | Formerly co-founder at Inflection AI, DeepMind
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 โถ
Bert Hubert ๐บ๐ฆ๐ช๐บ๐บ๐ฆ @berthubert.bsky.social Software developer, entrepreneur, former government regulator, current government advisor, amateur scientist, publicist. https://berthub.eu/ More active on Mastodon -> @bert_hubert@eupolicy.social -> Nederlandse BlueSky @berthub.eu
Simon Willison @simonwillison.net Independent AI researcher, creator of datasette.io and llm.datasette.io, building open source tools for data journalism, writing about a lot of stuff at https://simonwillison.net/
Blaklis @blaklis.bsky.social CTF player with The Flat Network Society - bug bounty & web security research
jvoisin @dustri.org Blog feed for https://dustri.org/b
Also available at https://mastodon.social/@jvoisin
Dominic White @singe.bsky.social Hacker at Orange Cyberdefense's SensePost Team
https://hello.singe.za.net/
Bas @anti.computer Recreational strangler & Parentheses enthusiast
Marc Andrรฉ Tanner @brain-dump.org Information security, operating systems, text editors
github.com/martanne
The Hacker's Choice (1995) @hackerschoice.bsky.social Security Research Group.
antirez @antirez.bsky.social Reproducible bugs are candies ๐ญ๐ฌ
I like programming too much for not liking automatic programming.
Ethan Mollick @emollick.bsky.social Professor at Wharton, studying AI and its implications for education, entrepreneurship, and work. Author of Co-Intelligence.
Book: https://a.co/d/bC2kSj1
Substack: https://www.oneusefulthing.org/
Web: https://mgmt.wharton.upenn.edu/profile/emollick
CSCS - Swiss National Supercomputing Centre @cscsch.bsky.social CSCS, the Swiss National Supercomputing Centre, develops and promotes technical and scientific services in high-performance computing. #weareAlps
Bad Sector Labs @badsectorlabs.com Cybersecurity news, techniques, exploits, and tools every week at http://blog.badsectorlabs.com ๐@badsectorlabs@infosec.exchange
Dirk-jan @dirkjanm.io Hacker at outsidersecurity.nl. Researches Entra ID, AD and occasionally Windows security. I write open source security tools and do blogs/talks to educate others on these topics. Blog: dirkjanm.io
Bridgy Fed for the fediverse @ap.brid.gy Bridgy Fed (https://fed.brid.gy/) bot user for the fediverse. To bridge your account to the fediverse, follow this account.
To ask a fediverse user to bridge their account, send their address (eg @user@instance) to this account in a chat message.
More iโฆ
Mรคnu @emanuelduss.ch IT security. Linux & network protocols. Pentesting web applications, networks & AD infrastructures. Mostly technical stuff here. https://emanuelduss.ch
OSINT Switzerland @osintswitzerland.bsky.social An association for experts, practitioners, and learners with the shared goal of developing and expanding their knowledge of open-source intelligence techniques.
https://osintswitzerland.ch/
Parsia @parsiya.bsky.social @CryptoGangsta on twitter. Security Engineer @ MSFT and a bunch of other things. ๐จ๐ฆ && ๐บ๐ธ && ๐ฎ๐ท - ian.
Michele Spagnuolo @miki.it ๐ผ: Staff Information Security Engineer at Google. ๐ ๏ธ: Rosetta Flash, BitIodine. ๐: web security, โ , โฟ, finance. Data is the most dangerous form of opinion.
Orange Tsai @orange.tw This is ๐
@iam-seb.bsky.social @iam-seb.bsky.social 
cortesi @cortesi.bsky.social I make software, break software and make software that breaks software.
https://corte.si https://mitmproxy.org https://binvis.io
shubs @shubs.io Co-founder, security researcher. Building an attack surface management platform, @assetnote.io
Compass Security @compass-security.com Penetration Testing, Red Teaming, Incident Response, Managed Detection, Digital Forensics, Security Training, Managed Bug Bounty, Cyber Training Range
Cyrill @bcyrill.bsky.social 
cybrz @cybrz.bsky.social Master of Disaster @compass-security.com ๐ฅ for all sorts crises, scada, chunk hacking, electronics, cryptography and cyber all the things.
Pietro ๐ธ @peterfrt.bsky.social Security engineer. Mostly lurking for comics and illustrations.
๐ธ10% pledge
@sploutchy.bsky.social @sploutchy.bsky.social 
Paged Out! @pagedout.bsky.social Paged Out! is a free magazine about programming, hacking, security hacking, retro computers, modern computers, electronics, demoscene, and other similar topics. Always accepting submissions of one-page articles.
Christophe Tafani-Dereeper @christophetd.fr Cloud and container security โข Security research and open source at Datadog
๐จ๐ญ๐ซ๐ท
https://christophetd.fr
raptor @raptor.infosec.exchange.ap.brid.gy When cryptography is outlawed, bayl bhgynjf jvyy unir cevinpl.
๐ bridged from โ https://infosec.exchange/@raptor, follow @ap.brid.gy to interact
Andrea P @decoder-it.bsky.social 
Tom Shelton-Lefley @tom.lefley.dev Software engineer working at PortSwigger.
Ramblings, anecdotes, and cynical views are my own.
Frycos @frycos.bsky.social Private account! Red teamer @codewhitesec. @frycos@infosec.exchange @frycos@X
Hamid Kashfi @darkcell.bsky.social I do computers @ DarkCell.se / @hkashfi at X
Roberto Empijei Clapis @empijei.bsky.social Security Toolsmith
Posts mostly about Go, banter, web development, security and cooking.
https://empijei.science
Mastering Burp Suite @mastering-burp.agarri.fr Tips and tricks for Burp Suite Pro ๐ ๏ธ
Not affiliated with @portswigger.net ยฉ๏ธ
Managed by @agarri.fr ๐ซ๐ท
Additional free resources ๐
http://hackademy.agarri.fr/freebies
Alessandro Perilli @perilli.com Building Open Creative Studio for ComfyUI - https://oc.studio
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
@halvarflake.bsky.social @halvarflake.bsky.social 
@mikko @mikko.bsky.social Fighting malicious use of technology.
Mark Dowd @mdowd.bsky.social Internet hacker
ฯปะณ_ฯปฮต @steven.srcincite.io Hermetic Initiate. Exploring conscience and the nature of reality. I also hack things.
argp @argp.bsky.social Hacker. Ascetic. Phrack author. The most technical boy in town.
James Kettle @jameskettle.com Director of Research at @portswigger.net
Also known as albinowax
Portfolio: https://jameskettle.com/
jduck @jduck.me Continuously learning about computer security through research and development.
buherator @buherator.bsky.social "I'm interested in all kinds of astronomy."
https://scrapco.de
Mostly cross-posting from Fediverse: @buherator@infosec.place- M Peiter โMudgeโ Zatko @mudge.bsky.social DARPA/Google/Stripe/L0pht/Twitter/โฆ/DARPA/[redacted]
https://en.wikipedia.org/wiki/Peiter_Zatko
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
Nicolas Grรฉgoire @agarri.fr Web hacker ๐
Burp Suite Pro trainer ๐จโ๐ซ
Maintainer of @mastering-burp.agarri.fr ๐ ๏ธ