Charity Majors @charity.wtf cofounder/CTO @honeycombio, co-author of Observability Engineering and Database Reliability Engineering. I test in production and so do you. 🐝🏳️🌈🦄
Electrospaces.net @electrospaces.bsky.social Insights in Signals Intelligence, Communications Security and Top Level Telecommunications. Also tweeting in Dutch and sometimes in German.
Kenn White @kennwhite.bsky.social cryptography • neuro • cloud • biscuits
ORD-DCA-NYC-BCN ✈️
kennwhite@mastodon.social
Geert Smelt @sme.lt InfoSec Team Red, #TranceFamily member, Metal enthousiast, TV show fanatic, gamer, beer connoisseur in training
Deviant Ollam ツ @deviantollam.bsky.social Philadelphian in Cascadia. Vociferous champion for Oxford commas, two spaces after a period, and ellipses. I break into buildings. 🔓
"Even if the world were ending tomorrow, I would still plant a tree." 🌲
(he/they)
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. 
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
Pedram Amini @pedramamini.com Repeat founder, investor, hacker. Advisor for Exodus Intelligence and Mozilla's 0din.ai. Previously founded the Zero Day Initiative and OpenRCE. NYC born, Austin transplant.
Marco Langbroek @marcolangbroek.bsky.social Lecturer in optical Space Situational Awareness at Delft Technical University, faculty of Aerospace. Spy sats, missiles, meteorites, asteroids. Asteroid (183294). Lapsed Archaeologist (PhD). Rowing. CFS. Opinions my own.
blog: http://sattrackcam.blogspot.c
Steve Syfuhs @syfuhs.net Noted idiot. Principal something or other. Runs the Windows Authentication team at Microsoft. It's my fault your password doesn't work.
Mostly dog pictures. Might actually be two dogs in a trench coat. 🇺🇸 / 🇨🇦
https://syfuhs.net/
Haroon Meer @haroonmeer.canary.love Security Geek. We build Thinkst Canary - https://canary.tools
DEF CON @defcon.bsky.social The world’s premier hacker conference. Serving the global hacker community since 1993.
Defcon.org
Forum.defcon.org
Defcon.social
Joseph Hewitt @jhewitt.net Cybersecurity consultant with an interest in electronics. British, but now living in The Netherlands. Creator of the ESP32 wardriver: wardriver.uk
WHO @who.int The World Health Organization (WHO) is the United Nations’ health agency, championing Health For All.
Always check the latest posts for updated advice/information.
We reserve the right to remove misinformation, spam, and hate speech under our posts.
dade @0xda.de Hacker, Rapper, Developer, dade.
https://0xda.de
Joris Luyendijk @jorisluyendijk.bsky.social Writer. Amsterdam.
LUBACH @lubach.nl Vanaf 31 augustus om 21.00 op Videoland!
Matthew Green @matthewdgreen.bsky.social I teach cryptography at Johns Hopkins. https://blog.cryptographyengineering.com
Carel van Rooyen @carelvanrooyen.bsky.social red & purple team operations,*nix plumber,bass,org-(mode/roam),🇨🇭🇿🇦,🌶 & 🎶 addict. SMI²LE. Herbivore.
Opinions my own, not that of my employer
Andrea Vreede @andreavreede.bsky.social Dutch journalist, Italy expert, Vatican correspondent NOS News, always curious. Based in Rome, Italy www.andreavreede.com
Neil deGrasse Tyson @neildegrassetyson.com Astrophysicist
Mathijs Bouman @mathijsbouman.nl Econoom en journalist
www.mathijsbouman.nl
zzp'er sinds 2005.
Praat bij Nieuwsuur, schrijft in FD
Zainab Hammoud @zainabhammoud.bsky.social Journalist Nieuwsuur 
Dr Nestori Syynimaa @drazuread.com Principal Identity Security Researcher @Microsoft. Ex-Secureworks (PhD, MSc, MEng, CITP, CCSK).
And yes, opinions are my own ;)
Ian Coldwater 🧊🚫 @lookitup.baby Kubernetes SIG Security Co-Chair. I hack things and build community.
Minneapolis. They/them. Stay punk 🏴
MSP feed info: https://bsky.app/profile/amityf.bsky.social/post/3mrv36uo4pc2a
Alyssa Miller 🦄👩✈️ @alyssam-infosec.com Hacker, CISO, and commercial pilot. Certified Bluesky Elder. Author and International Speaker, Chief advocate of #DoBetterBeBetter
Compassion and empathy are traits in short supply but necessary to make this world a better place.
alyssasec.com
ECFR @ecfr.eu European Council on Foreign Relations: the only pan-European think-tank. We foster coalitions for change and promote debate on Europe's global role.
Andy Robbins @andyrobbins.bsky.social aka wald0
Max Bergmann @maxbergmann.bsky.social Director of the Europe, Russia, Eurasia Program at CSIS. Podcasts EuroFile and Russian Roulette. Fmr State Department official. DC sports, Tottenham
Sjamadriaan @www.sjamadriaan.nl Wetenschap is geen mening, vind ik
Nieuwsbrief: http://www.sjamadriaan.nl
Ronin @redteamronin.bsky.social Cybersecurity Manager
Ultra runner
I used to run into burning aircraft for the government
Hillary Rodham Clinton @hillaryclinton.bsky.social Doting grandmother, among other things.
John Strand @strandjs.bsky.social I do cool Infosec stuff with cool people.
I will light the way by the bridges I burn.
Tailscale @tailscale.com Your private programmable network.
Etienne Stalmans @staaldraad.conch.cloud https://staaldraad.github.io
did:plc:72ap33hhvkldtvvs2xet2ld6
TracketPacer @tracketpacer.com 🚀rockit network engineer
👩🏼💻ethernet fangirl
🛜 weird use cases & silly tech!
💌 tracket@tracketpacer.com
🌎 tracketpacer.com
Bart Groothuis @bartgroothuis.bsky.social Member of European Parliament. All things cyber, defence, foreign interference, digital, trade, geopolitics.
HD Moore @hdm.io 
Daan Keuper @daankeuper.bsky.social Security researcher @defionlabs.bsky.social
james @rotarydrone.bsky.social security "research" / opinions my own
Saskia Dekkers @saskiadekkers.bsky.social European correspondent
Dutch public TV Nieuwsuur
Working in Europe
Living on water
David McGuire @davidmcguire.bsky.social CEO @specterops.bsky.social
The Daily Show @thedailyshow.com Weeknights 11/10c on Comedy Central and Paramount+
Chris Wysopal @weld.bsky.social Gray haired gray hat. Co-founder Veracode. Former L0pht security researcher. Builds tools to find and fix vulnerabilities in code at scale.
nixCraft @cyberciti.biz Enjoy Linux & Unix-like systems, open-source software, and programming/compsci? Into Sysadmin & DevOps? Follow us to make the most of your IT career! Discover new tools and apps daily, plus a dose of humor ⤵️
https://www.cyberciti.biz
Pwnallthethings @pwnallthethings.bsky.social Just thinking out loud.
Darth Putin @darthputinkgb.bsky.social Czar for life of all Russians. Master Strategist. Tea connoisseur. Author. Window installer. Wanted in 123 countries. Parody, apparently.
Electronic Frontier Foundation @eff.org We're the Electronic Frontier Foundation. We're a nonprofit that fights for your privacy and free speech online. Find all of EFF's social media accounts at eff.org/social.
Chainalysis @chainalysis.bsky.social Building trust in blockchains among people, businesses and governments. Our crypto compliance and investigation software powers hundreds of top institutions.
Koppen verklapt @koppenverklapt.bsky.social Voorbij de clickbait, zodat jij het niet hoeft te doen
Andrew Morris @andrewmorr.is 🔳 founder of @greynoise.io. computers, networks, technology enthusiast. big goober.
SensePost @sensepost.com Work like hell,
Share all you know,
Abide by your handshake,
Have fun. - Dan Geer
Hugo Reitsma @hugoreitsma.bsky.social Verslaggever BNR Nieuwsradio, presentator Boekestijn en De Wijk
Dave Aitel @daveaitel.bsky.social 
Barack Obama @barackobama.bsky.social Dad, husband, President, citizen. barackobamabooks.com
@flashoholic.bsky.social @flashoholic.bsky.social Electronics, HAM, technology and science, hardware hacking. Representing myself.
Aloïs Thévenot @techbrunch.fr Jack of all trades, master of some. CTO / Pentester
Chris Thompson @retbandit.bsky.social Head of Red team @ IBM X-Force. Black Hat Review Board. Founder and co-organizer of Offensive AI Con. Co-Founder of RemoteThreat. inveni et usurpa
Nate Subra @natesubra.com Adversary Simulation, Red Team Lead, Security Research @ LFI
Posts are my own
He/Him
#redteam #offsec #malware #cybersecurity
https://secdsm.org
I use my real name. The trick is figuring out my handles
@natesubra@infosec.exchange
John U @jdu2600.bsky.social He/him. Security Research Engineer @ Prelude Research.
Cobalt Strike @cobaltstrike.bsky.social Official account for Cobalt Strike. Benchmark red teaming tool known for its flexibility and powerful user community. Follow for new releases and other updates.
Snusbase @snusbase.com The longest standing data breach search engine, providing enterprise-grade credential monitoring since 2016. https://snusbase.com
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)
James 🏴 @two06.bsky.social Targeted Ops @TrustedSec. Hacker of things, writer of bad code. This is our world now... the world of the electron and the switch, the beauty of the baud.
https://linktr.ee/two06
Dima @dima.ninja https://x.com/DaWouw
Rohan Vazarkar @cptjesus.bsky.social Former Pentester
Engineer at SpecterOps
Author of BloodHound
AbuMuslim (أبومسلِم) @m19o.bsky.social Hacking stuff, building stuff, and occasionally explaining it on stage. Co-founder @BSides_ABQ. Board @OWASPEgypt. R&D @aivillage_dc. YT @CyberDose_. Coffee++.- N @nessaj.bsky.social @nessaj.bsky.social
Samuel @manorfox.bsky.social Enthusiast and researcher of all things security, based in London.
Sirfis @sir-fis.bsky.social Red teamer, trying to be a little better at this every day he/him🇵🇸
Chris P aKa Ghostie @therealchrisp.com I'm no expert, I've just had a lot of practice.
Red Team Lead.
My SE101 blog is not abandoned, just not had much time https://blog.ghostie.org/
Used to be Ghostie_ on the other place.
Tobi Grüner 🏁 @tobigruener.bsky.social auto motor und sport F1 journo. AMuS-news right from the paddock... infos, stats, pics, tech stuff. Be the first to know!
OrangeCon @orangecon.nl The Dutch Cybersecurity Conference! Experience the Hackers Community in Amsterdam, on June 4th 2026!
Stef @stefvandop.nl KPN redteam, member of a hackerspace in amsterdam, bla bla.
He/him. I believe that climate change is real and that vaccines are good.
Mostly here for infosec stuff.
Check us out for next year: https://orangecon.nl/ 
Jennie Gow @jenniegow.bsky.social Journalist, broadcaster, writer, speaker.
BBC F1 presenter and reporter.
Stroke survivor.
Get in touch: contactJennieGow@gmail.com
Book: https://lnk.to/HowToReadF1
Nieuwspaal @nieuwspaal.nl Het nieuws van morgen vandaag - nieuwspaal.nl
Marek Kuczynski @coldstart.dev 
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/
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
LiveOverflow 🔴 @liveoverflow.bsky.social wannabe hacker... he/him
🌱 grow your hacking skills https://hextree.io
Thijs Bosschert @thice.bsky.social Allround Security, IR & SOC professional. Escape room, CTF & game creator. Organizer WHY2025 CTF. Mediocre lockpicker. CTF teams: Eindbazen, Jobless Hackers and Spotless.
https://cybersecurity-escaperoom.com/
https://thice.nl/
https://ctf.why2025.org
DM @d-m.bsky.social Also here: https://infosec.exchange/@_dm
Infosec, Trust & Safety, but mostly screaming into the void
[ttl=14d]
Vatniksoep @vatniksoepnl.bsky.social Dutch version of Vatniksoup Project. Some unique soups about Dutch vatniks aswell as translated soups from Pekka Kallioniemi. (Official account)
Nederlandse Vatniksoup account met soepen over Nederlandse en andere vatniks. (Officieel account)
Maarten Bras @maartenbras.bsky.social Geek, entrepreneur and criminologist working on threat intelligence led red teaming via Cyberdefense B.V. #TIBER #TLPT #RT
Hubert Smeets @hubertsmeets.bsky.social Journalist/historicus. Auteur van o.m. 'De wraak van Poetin. Rusland contra Europa' en 'Een wonderbaarlijk politicus. Hans van Mierlo, 1931-2010'. Medewerker van platformraam.nl en @nrc.nl.
Better Things Are Possible @internethippo.bsky.social 
Raphael Mudge @raphaelmudge.bsky.social Riding around in the breeze. USAF Veteran.
Fantasy GP @fantasygp.com The original Fantasy F1 game. Create your own team, predict results and compete in the World Championship and Leagues with friends. Posts by Adam, Ben & Dave.
@mgeeky.bsky.social @mgeeky.bsky.social 
Mackenzie Jackson @advocatemack.bsky.social DevRel @AikidoSecurity - Kiwi living in the Netherlands
Loesje v/d Posters @loesjevdposters.bsky.social Ik ben Loesje en hier verstuur ik dagelijks een spreuk. Om de wereld een klein beetje mooier te maken
https://shop.loesje.nl/winkeltje/
De Ingenieur @deingenieur.nl Alles over techniek. Powered by Koninklijk Instituut Van Ingenieurs (KIVI). Tips? redactie@ingenieur.nl.
Rop Gonggrijp @rop.gonggri.jp Doomscroller avant la lettre. This account is in English, public replies in other languages will be hidden.
Occasional posts in Dutch on @rop.nl and in German on @deutsch.rop.nl
Kate from Kharkiv @kateinkharkiv.bsky.social Living in Kharkiv, Ukraine. Contributing to Ukrainian voices online | support me : PayPal: kate.boguslavskaya@gmail.com | http://buymeacoffee.com/kateinkharkiv
Chris Shields @r00t0v3rr1d3.bsky.social Red Team
Rik @rikvduijn.bsky.social Zolder 
RaceFans @racefans.net https://www.racefans.net
Independent Motorsport Coverage
Kaj Leers @kajleers.eurosky.social Senior woordvoerder (oa vml Defensie [NAVO / Oekraïne], Provincie Noord-Holland)
Gaat niet in gesprek of discussie met anoniempjes.
Adin Drabkin @adindrabkin.bsky.social