Onderzoeksjournalist Volkskrant
Going dark
h.modderkolk at volkskrant.nl
Signal: hmodderkolk.20
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.
Officier Defensie, voormalig lid Adviesraad Internationale Vraagstukken (AIV). Gelooft in mensenrechten en democratie. Views=mine
Security researcher with a camera | @FalconForce.nl | Microsoft MVP | Snow man role model | https://youtube.com/@olafhartong
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
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
Open-Source, Cloud Technology & Enterprise IT professional
https://klaver.it/
Privacy & Responsible tech in de publieke sector | vml: Rechtspraak & Technische Universiteit Eindhoven | Invloed van technologie op maatschappij | Op persoonlijke titel
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/
MoederVrouwVriendin 💗💜💙 #biplus Chair @COCNederland 🏳️🌈🏳️⚧️Co-founder @DIVDnl 💛🖤 CEO @DIVDAcademy🤓 #cybermom #zijspreekt🎤#ESET #ICAM #YNWA ♥️🤍🖤
(Prof. em.) Cyber Warfare: Research Fellow (NLDA) & Sr. researcher (UvA-Law), vz Traditiecommissie Landmacht, Zeeuws-Vlaming
- 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
Bachelor, Security Never Ending Research & Development (N.E.R.D), Lockpicker apprentice, and whisky 🥃 aficionado, Photo-amateur... Posts are my personal view!
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
🍋
Co-founder womenofwicca.nl for Women in Infosec | DC3120 | 🎙Angrynerds | SSDGM 🖤 | (she/her)
Digitale Veiligheid gemeenten/Besturing beleid én uitvoering/ Innovatie/ Informatisering/ Security/ Privacy/ Coffee lover/ WHY2025/ DIVD
Makes things work in .NET/Win32/x64/C#/SQL/Delphi.
Surviving rectal cancer.
Married a cancer survivor.
Responsible for brother with IQᐸ50.
@AdestMusica member.
Blue hat. Principal Security Software Engineer @ ByteJams. Was Security Architect HitmanPro.Alert and Lead Developer Sophos Intercept X.
Cybersecurity & tech. I love music and write about comics @9ekunst.nl. Leidenaar.
Vader Man Zoon #Dutch
Nihil Volentibus Arduum est
Persoonlijk account
#Cybersecurity #treinleven #OSINT #Infosec #Saab #Fotografie
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
@chvancooten on the bird app 🐦
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Benevolently malicious offensive security enthusiast || OffSec Developer & Malware Linguist || NimPlant & NimPackt author || @ABNAMRO Red Team
The lamest hacker you know.
I find the data and passwords that you don't know are leaking
Xchan https://twitter.com/yuroon
@yuroon@mastodon.social
Nerd | Homelabber | Home Automation Enthousiast | Cybersecurity | FireFighter
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
Techjournalist (bij Tweakers.net), gamer(t), filmfan(aat), spraakwaterval (lest de dorst), metal life crisis, Unregistered Cyber eXpert. Voorheen techjournalist bij AG Connect.
Exposed Russian, Chinese, Iranian & Indian state sponsored hackers. Founded @waarneming & @scatsec. Currently @RespondersNU. 4.669; 3.14159.
Father, creative, thinker, asks questions. Since 1997 mild MEcfs, since early March 2020 rather severe longcovid. Dutch & English
Neurodivergent lvl 46 GenX CIS Male LGBTQIA+ 🤗 UNIX/Linux sysadmin 💾 photographer 📷 geek/nerd 🤓 mostly harmless 🤪 Dutch 🇳🇱 #ActuallyAutistic ♾️ #AuDHD 🦋
Анне Ян Брoуер, Shirt-ninja, engineer, воля! 🌻
Gelukszoeker. #OpenSource #OpenStandards #Transparency Niet anoniem.
GPG: DF7FEF8DFBA721E320B18F5615B63ADCA0034B9E
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
33 | Freelance (tech)journalist bij o.a. Tweakers, TW.nl, Link Magazine en Ziptone | Tips? ✉ eveline@evelinemeijer.nl |
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, 🇬🇧🇳🇱.
Advocaat | Strafrecht (cybercrime / High tech crime, cassatie, EHRM) | Meijers Canatan Advocaten
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
Staff Engineer at Apollo Agriculture
Father of Twins
🇳🇱
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)
Nerd | Musicals | Naait | Functional Fitness | 🏳️🌈 🏳️⚧️
Solution/software architect. C/C++, Qt/QML, (Embedded) Linux, macOS, UNIX, GUI. Owner aYniK Software Solutions BV. TkkrLab. Team Content SHA2017/MCH2022.
IT-er, misantroop, ROT26, wica[128] bezin u, voordat u op mij reageer[d|t]! filosofische hacker.
Voetvolk in de geschiedenis
OT/IACS Security specialist
World Citizen- cyberbaas- researcher DIVD - 450+responsible discl.
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.
'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
Hardware, ICS/OT, securing the blinky stuff
Insights in Signals Intelligence, Communications Security and Top Level Telecommunications. Also tweeting in Dutch and sometimes in German.
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
Doing #OSINT before it was cool 😎 Just arrived, slowly settling on here.
Dutch software dev who spends his free time travelling all over the place to film a whole bunch of (mostly) security conferences.
Maakt websites met ExpressionEngine. Bakt focaccia. en nog zowat. Doet aan Linkse hobbies. Vader van 2 pubers.
#InfoSec. Opinions are my own.
✎ HΣITΣC depended on the quality of #Coffee & #cybersecurity, 🅁🄲🅇, #procaffeinate #netsec #privacy
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
CISO en security manager, Founder CaaS. Hacken en antihacken, maar vooral shitposten
On Twitter @CodeAsm_, HTML decoder,Software/Hardware,(-reverse)-engineer,-ⓗ𝖆𝕔🄺乇я, student,G🅐mer.opinions are my own. Autism. he/him, 8bit, Z80, 6502. I'm Something of a 🐧inux user Myself.
https://codeasm.com/about/
I work in cybersecurity and think too much about (and in) systems🤓Movies, music, books, food, and whatever keeps the mind fed.
Social Psychologist, digital native, checks sources,loves irony. Maker of humans, breaker of stuff, hacker of both. Tries not to judge.
CISO @Kiesraad - Gamer - beware of my sharp edges - views are my own
Podcast CISOpraat:
https://open.spotify.com/show/0qSxCHWV66I2Fd2hJB97qT?si=MLwgkHSYTnWAaIA208T4lw
Co-founder of Codific. Professor and board member of the Geneva Business School. Doctorate in behavioral psychology. Entrepreneur and Appsec champion.
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
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
Tech, Cyber diplomacy, Norms etc.
Cyber at @rusi.bsky.social & among other things.
Jazz and personal views only.
Personal website: www.louisemariehurel.com
The Hague Threat Intelligence Exchange (Hague TIX) conference by @thehagueprogram - back on 30 June 2026 for #HagueTIX2026!
--> www.hague-tix.nl
Lecturer in War Studies (Cyber Security) at King's College London. Organising HagueTIX 2025 @haguetix.bsky.social.
Dutch Institute for Vulnerability Disclosure
divd.nl
divd.community
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
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.
Senior Research Fellow @rusi.bsky.social | Senior Research Associate @virtualroutes.bsky.social | Usually researching ransomware and cybercrime | Sometime indie landfill guitarist
Threat Research @ Recorded Future. Previously @ Security Research Labs. He/Him. 🏳️🌈
Cyber defence policy @NATO, views my own. Infosec PhD and curious researcher. Former @belfercenter and NATO CCDCOE.
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).
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/
Geopolitics | Cybersecurity
Expert commentary on emerging tech and security. Send us your article ideas at pitch@bindinghook.com. Project from @VirtualRoutes.bsky.social
Director for Digital Security @istorg.bsky.social | Editor @bindinghook.bsky.social 🚀 | Stanford & Oxford alum | often hiding in ⛰️
Virtual Routes tackles the impact of digital and emerging technologies on global affairs. Also check out @bindinghook.bsky.social, our media outlet.
Cyber & Hybrid Threats @eudiplomacy.bsky.social 🇪🇺 | ex-NATO HQ Cyber Defence Policy, Virtual Routes/ECCRI Cyber Fellow, Johns Hopkins SAIS grad. Views my own.
Researcher for cybersecurity + (defense) tech @swp-berlin.org.
Currently:
- Biotechnology for defense
- software-defined defense
- mitigating Europe's US tech dependencies
- improving cyber situational awareness for national security
She/her.
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
Previously Google, NATO, 🇨🇦 Government. Views mine and mine only.
#threatintel #dfir #osint #natsec and other secs. Downloading things from the Internet and looking at them. Views are my own Email: kamil@counterintelligence.pl
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
Security. People matter most. Get off X, fool.
stonking.com/waitlist 👀
Member of CuratedIntel | Researcher at Cymulate | OSCP | Threat Intelligence | Malware Research
You can find my blog here: http://danusminimus.github.io
(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."
Drug delivery & microdevice scientist in pharma. Avid traveler, skier, & USMNT fan. Tweets abt everything, including politics.
Living in Copenhagen.
