Huib Modderkolk @huibmodderkolk.bsky.social Onderzoeksjournalist Volkskrant
Going dark
h.modderkolk at volkskrant.nl
Signal: hmodderkolk.20
dr. Marina @drmarina.bsky.social Geboren en opgetogen Rotterdammer/ psycholoog / onafhankelijk onderzoeker / Alma Maters: Universiteit Leiden (Psychologie en Media-pedagogiek) Vrije Universiteit Brussel (Doctoraat Psychologie van de stad). Fotografeert het leven zoals het is in Rotterdam.
Elisabeth van der Steenhoven @esteenhoven.bsky.social Officier Defensie, voormalig lid Adviesraad Internationale Vraagstukken (AIV). Gelooft in mensenrechten en democratie. Views=mine
Olaf Hartong @olafhartong.nl Security researcher with a camera | @FalconForce.nl | Microsoft MVP | Snow man role model | https://youtube.com/@olafhartong
Bert Hubert 🇺🇦🇪🇺🇺🇦 @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
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
Michiel Klaver @michiel.klaver.it Open-Source, Cloud Technology & Enterprise IT professional
https://klaver.it/
Bart Schellekens @bartschellekens.nl Privacy & Responsible tech in de publieke sector | vml: Rechtspraak & Technische Universiteit Eindhoven | Invloed van technologie op maatschappij | Op persoonlijke titel
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/ 
Astrid @astrido.bsky.social MoederVrouwVriendin 💗💜💙 #biplus Chair @COCNederland 🏳️🌈🏳️⚧️Co-founder @DIVDnl 💛🖤 CEO @DIVDAcademy🤓 #cybermom #zijspreekt🎤#ESET #ICAM #YNWA ♥️🤍🖤
Paul Ducheine @paulducheine.bsky.social (Prof. em.) Cyber Warfare: Research Fellow (NLDA) & Sr. researcher (UvA-Law), vz Traditiecommissie Landmacht, Zeeuws-Vlaming
Marcel @mgdproductions.com - Cat lover
- AKA ProgrammeerMeneer
- Marceld505 on the bird app
- Web, App and WebApp developer
- Just doing some dumb shit as always
- Breaking and exploiting random Android devices
Floor Terra @floort.bsky.social 
L⭕️rd Quux of The Netherlands @quux.bsky.social Bachelor, Security Never Ending Research & Development (N.E.R.D), Lockpicker apprentice, and whisky 🥃 aficionado, Photo-amateur... Posts are my personal view!
Hermaniak @couwenbergh.nl In a world where nobody is the same… How can you be different?
Social media marketing and proud sponsor of student electric racing team @tueInMotion.bsky.social
🍋
Chantal 🔮 @mifarelady.bsky.social Co-founder womenofwicca.nl for Women in Infosec | DC3120 | 🎙Angrynerds | SSDGM 🖤 | (she/her)
Kàto @k4bergen.bsky.social Digitale Veiligheid gemeenten/Besturing beleid én uitvoering/ Innovatie/ Informatisering/ Security/ Privacy/ Coffee lover/ WHY2025/ DIVD
Jeroen Wiert Pluimers @wiert.bsky.social Makes things work in .NET/Win32/x64/C#/SQL/Delphi.
Surviving rectal cancer.
Married a cancer survivor.
Responsible for brother with IQᐸ50.
ex AdestMusica member.
Erik Loman @erikloman.bsky.social Blue hat. Principal Security Software Engineer @ ByteJams. Was Security Architect HitmanPro.Alert and Lead Developer Sophos Intercept X.
Erik Ploegmakers @ploegmakers.bsky.social Cybersecurity & tech. I love music and write about comics @9ekunst.nl. Leidenaar.
Erik Slingerlnd @slingerik.bsky.social Vader Man Zoon #Dutch
Nihil Volentibus Arduum est
Persoonlijk account
#Cybersecurity #treinleven #OSINT #Infosec #Saab #Fotografie
Erik Remmelzwaal @erik.zolder.io Co-Founder Zolder.io | Promoter of Atticsecurity.com | Creator of Cybersecurity | Lover of the Misses | Father of Two | Coach of Fieldhockey | Haver of no Worries
Cas van Cooten @casvancooten.com @chvancooten on the bird app 🐦
---
Benevolently malicious offensive security enthusiast || OffSec Developer & Malware Linguist || NimPlant & NimPackt author || @ABNAMRO Red Team
SchizoDuckie @schizoduckie.bsky.social The lamest hacker you know.
I find the data and passwords that you don't know are leaking
Jeroen @yuroon.bsky.social Xchan https://twitter.com/yuroon
@yuroon@mastodon.social
@haasie.bsky.social @haasie.bsky.social Nerd | Homelabber | Home Automation Enthousiast | Cybersecurity | FireFighter
Bert Boerland @bertboerland.bsky.social Business nerd with a passion for the open web. http://linkedin.com/in/bertboerland | I seem to be a verb | Founder / chair Stichting Drupal Nederland, DrupalJam, splashawards and Wunderkraut NL. http://boer.land.
Sales Executive // Director of Excellency
Jasper Bakker UCX @jsprbkkr.bsky.social Techjournalist (bij Tweakers.net), gamer(t), filmfan(aat), spraakwaterval (lest de dorst), metal life crisis, Unregistered Cyber eXpert. Voorheen techjournalist bij AG Connect.
Rickey Gevers @uid.bsky.social Exposed Russian, Chinese, Iranian & Indian state sponsored hackers. Founded @waarneming & @scatsec. Currently @RespondersNU. 4.669; 3.14159.
Ntisec @ntisec.bsky.social Father, creative, thinker, asks questions. Since 1997 mild MEcfs, since early March 2020 rather severe longcovid. Dutch & English
m@rco @marcoheijkoop.nl ¯\_(ツ)_/¯
Dennis van Zuijlekom 🥰 🏳️🌈 🏳️⚧️ @dvanzuijlekom.bsky.social 🧔🏻♂️ He/Him lvl 47 GenX CIS Male
♾️🦋 Neurodivergent
🌈🤗 LGBTQIA+
👨🏻💻💾 UNIX/Linux sysadmin
📷 Photographer
🤓 Geek/nerd
🌍 Mostly harmless
🇳🇱 Dutch
#ActuallyAutistic #AuDHD
Anne Jan Brouwer @annejan.com Анне Ян Брoуер, Shirt-ninja, engineer, воля! 🌻
Gelukszoeker. #OpenSource #OpenStandards #Transparency Niet anoniem.
GPG: DF7FEF8DFBA721E320B18F5615B63ADCA0034B9E
D. Pochenk @drspochenk.bsky.social Masters degree Computer Sciences, bi-lingual, Ex Dutch Military (E5), Ex Airforce (E8), Ex Pentester for Bic pencils, The Airspeed Velocity of a unladed Swallow is 32,3km/h
Eveline Meijer @evelinemeijer.bsky.social 33 | Freelance (tech)journalist bij o.a. Tweakers, TW.nl, Link Magazine en Ziptone | Tips? ✉ eveline@evelinemeijer.nl |
Rob @elborro.bsky.social ICS/OT cybersecurity. Has fun with software/hardware hacking. Loves science fiction and space things. :)
Privacy and hacking-is-not-a-crime advocate. Matrix, Mastodon, Pi-hole and Signal patron.
Be kind, he/him, 🇬🇧🇳🇱.
Michael Berndsen @cyberadvocaat.bsky.social Advocaat | Strafrecht (cybercrime / High tech crime, cassatie, EHRM) | Berndsen Römer Advocaten
Thijs Alkemade @xnyhps.nl Security Researcher.
ralph @crutzen.eu Neoluddistische A.I.narchoprimitivist, maar klooit graag met #Linux, #RaspberryPi, #Arduino, #3Dprinting, lasersnijders, Axidraw en het geven van #wiskunde- en informaticalessen in het VO.
Ook via @ralphcrutzen@mathstodon.xyz
Joel Haasnoot @webguy.bsky.social Staff Engineer at Apollo Agriculture
Father of Twins
🇳🇱
Barend @ibarend.bsky.social Vader van geweldige zoon | lief van de allerliefste | Foto(s)hop | obstacles | hardlopen | kritisch op AZ | Eet geen vlees | Tweet op eigen titel en met vette knipoog (lkkr puh)
Daniëlle @fadinggender.bsky.social Nerd | Musicals | Naait | Functional Fitness | 🏳️🌈 🏳️⚧️
Aschwin Marsman @aschwinmarsman.bsky.social Solution/software architect. C/C++, Qt/QML, (Embedded) Linux, macOS, UNIX, GUI. Owner aYniK Software Solutions BV. TkkrLab. Team Content SHA2017/MCH2022.
Jiri ( @wica@mastodon.social ) @jiridh.bsky.social IT-er, misantroop, ROT26, wica[128] bezin u, voordat u op mij reageer[d|t]! filosofische hacker.
Mike @mndell.bsky.social Voetvolk in de geschiedenis 
Chreetz @chreetz.bsky.social OT/IACS Security specialist
LosBol @losbol.bsky.social World Citizen- cyberbaas- researcher DIVD - 450+responsible discl.
Thomas Bosboom @thomasbosboom.bsky.social Dutch (import #010) guy working in a London based team of a US company. Talks about Apple, Security, Tech.
Remember: outrage and panic are common content engagement tactics.
kaatje kabelkrant @sh33ppurple.bsky.social 'They all seem like gameshow hosts to me'. Sting
Mother, Human Rights, Safety, Privacy, Security, Constitution, Healthcare, Science methodology, Music, Gardening, Cooking, Humor, Empathy.
#Antifa
Lord To3t @to3t.bsky.social Hardware, ICS/OT, securing the blinky stuff
Electrospaces.net @electrospaces.bsky.social Insights in Signals Intelligence, Communications Security and Top Level Telecommunications. Also tweeting in Dutch and sometimes in German.
John Opdenakker @j-opdenakker.bsky.social Blogger | #Infosec | #AppSec | Security awareness | Occasional Public Speaker | Cycling | Running | Posts might contain bad humor, sarcasm or irony | Takes your security seriously!
https://johnopdenakker.com
Sector035 @sector035.bsky.social Doing #OSINT before it was cool 😎 Just arrived, slowly settling on here.
Cooper @ministraitor.bsky.social Dutch software dev who spends his free time travelling all over the place to film a whole bunch of (mostly) security conferences.
Jelle Dijkstra, ook wel bekend als Ome_Jelle @omejelle.bsky.social Maakt websites met ExpressionEngine. Bakt focaccia. en nog zowat. Doet aan Linkse hobbies. Vader van 2 pubers. 
Michiel Berger @michielb.nl 
Martijn Eikelenboom @meikelenboom.bsky.social #InfoSec. Opinions are my own.
I-IΣITΣC • ₿ • 🆁🅲🆇 @heitec.bsky.social ✎ HΣITΣC depended on the quality of #Coffee & #cybersecurity, 🅁🄲🅇, #procaffeinate #netsec #privacy 
Sling @mathijs.info Detoxing from X | Chaotic Good | I do stuff with computers, security, science, music, and some other odds and ends. | Sr Security Engineer @ IBM (but posts here are my own) | https://mathijs.info
John Kraal @pubkraal.com CISO en security manager, Founder CaaS. Hacken en antihacken, maar vooral shitposten
CodeAsm @codeasm.com HTML decoder,Software/Hardware,(-reverse)-engineer,-ⓗ𝖆𝕔🄺乇я, student,G🅐mer.opinions are my own. Autism. he/him, 8bit, Z80, 6502, RiscV, x86. I'm Something of a 🐧inux user Myself. Near AMS, EHAM
https://codeasm.com/about/
Melanie @itsmelanie88.bsky.social I work in cybersecurity and think too much about (and in) systems🤓Movies, music, books, food, and whatever keeps the mind fed.
Maaike @maaike.bsky.social Social Psychologist, digital native, checks sources,loves irony. Maker of humans, breaker of stuff, hacker of both. Tries not to judge. 
Fleur van Leusden @queenfennec.bsky.social CISO @Kiesraad - Gamer - beware of my sharp edges - views are my own
Podcast CISOpraat:
https://open.spotify.com/show/0qSxCHWV66I2Fd2hJB97qT?si=MLwgkHSYTnWAaIA208T4lw
Dag Flachet @dagflachet.bsky.social Co-founder of Codific. Professor and board member of the Geneva Business School. Doctorate in behavioral psychology. Entrepreneur and Appsec champion.
CVE Alerts @cve.skyfleet.blue Unofficial account to notify You about new CVE id's
CVE is a program that identifies, defines, and catalogs publicly disclosed cybersecurity vulnerabilities.
check out @infosec.skyfleet.blue
🆘 @skyfleet.blue
Lennart Maschmeyer @lmaschmeyer.bsky.social Senior Researcher in Cybersecurity at @ETH_en @CSS_ETHZurich. Previously @UofT, @citizenlab and @UniofOxford.
New Book "Subversion" - https://global.oup.com/academic/product/subversion-9780197745861
Louise Marie Hurel @lmhurel.bsky.social Tech, Cyber diplomacy, Norms etc.
Cyber at @rusi.bsky.social & among other things.
Jazz and personal views only.
Personal website: www.louisemariehurel.com
Hague TIX @haguetix.bsky.social The Hague Threat Intelligence Exchange (Hague TIX) conference by @thehagueprogram - back on 30 June 2026 for #HagueTIX2026!
--> www.hague-tix.nl
Monica Kello @monicakello.bsky.social Lecturer in War Studies (Cyber Security) at King's College London. Organising HagueTIX 2025 @haguetix.bsky.social.
DIVD @divdnl.bsky.social Dutch Institute for Vulnerability Disclosure
divd.nl
divd.community
Chris van 't Hof @cvthof.bsky.social Managing Director DIVD
Matthijs R. Koot @cyberwar.nl IT, privacy, security, democracy. PhD. PGP: 51F9 8FC9 C92A 1165 (http://keybase.io/mrkoot). Employed as IT security specialist.
Mastodon: @mrkoot@infosec.exchange
LinkedIn: /in/mrkoot
Cat Easdon @easdon.bsky.social Privacy engineering at Dynatrace | privacy, tech policy, hardware security. You may know me from: @virtualroutes.bsky.social, @internetsociety.bsky.social, or my past life hacking CPUs 👩💻 All opinions my own.
Anni Adamson @anniadamson.bsky.social 
Jamie MacColl @jamiemaccoll.bsky.social Senior Research Fellow @rusi.bsky.social | Senior Research Associate @virtualroutes.bsky.social | Usually researching ransomware and cybercrime | Sometime indie landfill guitarist
Julian-Ferdinand Vögele @julianferdinand.bsky.social Threat Research @ Recorded Future. Previously @ Security Research Labs. He/Him. 🏳️🌈
Amy Ertan @amyertan.bsky.social Cyber defence policy @NATO, views my own. Infosec PhD and curious researcher. Former @belfercenter and NATO CCDCOE.
Triantafyllos Kouloufakos @tkouloufakos.bsky.social Legal researcher at @CiTiP_KULeuven. Phd'ing: International law and cyberspace, championing the no-harm principle, some protection of critical infrastructures, history nerd, bad at bios, good at random trivia (🐧 have knees).
Olivier Schmitt @olivierschmitt.bsky.social Prof at Institute for Military Operations, Royal Danish Defence College/senior associate fellow at NATO Defence College |Warfare, alliances and geoeconomics | Assoc ed of the European Journal of International Security |🇫🇷 in 🇩🇰| https://olivier-schmitt.com/
Jean-Philippe Commeignes @jpcommeignes.bsky.social Geopolitics | Cybersecurity- B Mamuka Kirkitadze @bukacyber.bsky.social
Binding Hook @bindinghook.bsky.social Expert commentary on emerging tech and security. Send us your article ideas at pitch@bindinghook.com. Project from @VirtualRoutes.bsky.social
Taylor Grossman @tgrossman.bsky.social Director for Digital Security @istorg.bsky.social | Editor @bindinghook.bsky.social 🚀 | Stanford & Oxford alum | often hiding in ⛰️
Virtual Routes @virtualroutes.bsky.social Virtual Routes tackles the impact of digital and emerging technologies on global affairs. Also check out @bindinghook.bsky.social, our media outlet.
Julien Strandt @lostincyberspace.bsky.social Cyber & Hybrid Threats @eudiplomacy.bsky.social 🇪🇺 | ex-NATO HQ Cyber Defence Policy, Virtual Routes/ECCRI Cyber Fellow, Johns Hopkins SAIS grad. Views my own.
Alexandra Paulus @alexandrapaulus.bsky.social Researcher for cybersecurity + (defense) tech @swp-berlin.org.
Co-Host Cybernation Podcast.
Currently:
- Harnessing biotechnology for national security
- Holding software vendors accountable for insecure software
- mitigating Europe's US tech dependencies
Alexander Martin @alexmartin.bsky.social Journalist covering cybersecurity and intelligence. UK Editor at The Record from Recorded Future News. Dad of two.
🏠 Sheffield
📧 alexander.martin@therecord.media
📱 Signal: AlexanderMartin.79
Dan Black @danwblack.bsky.social Previously Google, NATO, 🇨🇦 Government. Views mine and mine only.
Kamil Bojarski @lawsecnet.counterintelligence.pl #threatintel #dfir #osint #natsec and other secs. Downloading things from the Internet and looking at them. Views are my own Email: kamil@counterintelligence.pl
Max Smeets @maxwsmeets.bsky.social Author of No Shortcuts & Ransom War
Co-director Virtual Routes (https://virtual-routes.org/), previously ECCRI
Managing Editor Binding Hook (https://bindinghook.com)
Senior Researcher, ETH Zurich
🇪🇸 👻 🇪🇸 @0x0.svpn.com Security. People matter most. Get off X, fool.
Signal: Bluesky.1337
Barre Dijkstra @salp.bsky.social software dev/mgmt
he/him
Danus Minimus @danus.bsky.social Member of CuratedIntel | Researcher at Cymulate | OSCP | Threat Intelligence | Malware Research
You can find my blog here: http://danusminimus.github.io
Victor Gevers @0xdude.bsky.social (Grumpy Old) Hacker. Co-founder of the GDI Foundation. Co-founder Dutch Institute for Vulnerability Disclosure. Co-founder CSIRT.global
and unfiltered on https://victorgevers.com. "I was there when software cracking was in its prime."
Todd @taduncombe.bsky.social Drug delivery & microdevice scientist in pharma. Avid traveler, skier, & USMNT fan. Tweets abt everything, including politics.
Living in Copenhagen.