Jesse Klaver @progressiefnederland.nl Fractievoorzitter Progressief Nederland. Hij/hem. Dit account wordt beheerd door Jesse en zijn team. Sluit je aan bij onze beweging en word lid! 💚
Barack Obama @barackobama.bsky.social Dad, husband, President, citizen. barackobamabooks.com
evacide @evacide.bsky.social Director of Cybersecurity @eff.org
Co-founder of @stopstalkerware.bsky.social
These opinions are my own, not my employer's
I did a TED talk once
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.
Rob Jetten @minister-president.bsky.social Minister-president van Nederland 🇳🇱🇪🇺
Redactie door de Rijksvoorlichtingsdienst.
Willemijn Aerdts @stasdigi.bsky.social Staatssecretaris Digitale Economie en Soevereiniteit | Redactie door @ministerieezk.bsky.social
Mujtaba Rahman @mijrahman.bsky.social Managing Director, Europe and co-head of London office, Eurasia Group. Formerly HM Treasury and European Commission. Senior Research Fellow, LSE European Institute. ECFR Council Member. My views. Seeking analytical truth
https://www.eurasiagroup.net
Bart Groothuis @bartgroothuis.bsky.social Member of European Parliament. All things cyber, defence, foreign interference, digital, trade, geopolitics.
Bits of Freedom @bitsoffreedom.eurosky.social Bits of Freedom komt op voor jouw privacy en communicatievrijheid.
Mastodon: @bitsoffreedom@chaos.social
bitsoffreedom.nl/volg-ons
Prof.dr. Beatrice de Graaf @beatricedegraaf.bsky.social Historian | Distinguished Professor Utrecht University | „Fighting terror after Napoleon (CUP)” | security, terrorism, radicalization, crisis | Adapt-Academy.nl | Tendit in ardua virtus.
Opal @opalescentopal.bsky.social I do crochet stuff and sometimes math stuff. (she/her)
Senator Bernie Sanders @sanders.senate.gov Sen. Sanders of Vermont, Ranking Member of the U.S. Senate Committee on Health, Education, Labor & Pensions, is the longest-serving independent in congressional history.
Mayor Zohran Kwame Mamdani @mayor.nyc.gov Fighting every day to deliver a city that working New Yorkers can actually afford. Mayor of New York City.
Maarten Hopman @maartenhopman.bsky.social Schrijver | Acteur
Schrijft voor o.a. Even Tot Hier | De Speld | Dit Was Het Nieuws | Cabaretmusical We Zijn Toch Familie ‘26
Woont in Amsterdam.
Isa Yusibov @isayusibov.bsky.social Senior Eurasia Geopolitical Risk Analyst/
Former Senior Foreign Affairs & Defense Policy Adviser @ Dutch Parliament/
Chessmaster, feminist, atheist, former refugee/
Fuck Putin!
Ursula von der Leyen @vonderleyen.ec.europa.eu President of the @ec.europa.eu
Mother of seven. Brussels-born. European by heart. 🇪🇺
OrangeCon @orangecon.nl The Dutch Cybersecurity Conference! Experience the Hackers Community in Amsterdam, on June 4th 2026!
Barbara Kathmann @barbarakathmann.bsky.social Tweede Kamerlid / Progressief Nederland 🚀 Woordvoerder Digitale Zaken 💫 “Zet je telefoon uit, de wereld heeft je nodig!”
Catalin Cimpanu @campuscodi.risky.biz ☆ Cybersecurity reporter
★ Newsletters at Risky Business
#infosec #cybersecurity
https://risky.biz
Kirsten Verdel @locuta.bsky.social Bestuurskundige | Amerikadeskundige | Campagnestrateeg | Partner bij Publyon | Seriejunkie | Trekkie | Motorrijder | Moeder van 3 http://bit.ly/2TNvNol http://bit.ly/2Cd0zj8
European Commission @ec.europa.eu News and information from the European Commission. Social media and data protection policy: http://europa.eu/!MnfFmT
Hidde Bouwmeester @hiddebouwmeester.nl Historicus | Freelancer | Schrijft essays & artikelen I Werkt met donaties: https://hiddebouwmeester.nl/donatie/ Updates: https://hiddebouwmeester.substack.com/
Soverin @teamsoverin.bsky.social The mailbox your email deserves—privacy-first and proudly based in the Netherlands/EU. We've been making email safer, simpler, and more enjoyable for over a decade.
> Built for individuals, teams and businesses. #madeintheeu
Microsoft Threat Intelligence @threatintel.microsoft.com We are Microsoft's global network of security experts. Follow for security research and threat intelligence. https://aka.ms/threatintelblog
Jelle Vergeer @jelleverg.bsky.social 
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
Eliot Higgins @eliothiggins.bsky.social Founder and creative director of Bellingcat and director of Bellingcat Productions BV. Author of We Are Bellingcat.
checky d luffy @checkymander.bsky.social hacker, maldev, pokemon irl
Europol @europol.europa.eu The European Union Agency for Law Enforcement Cooperation #MakingEuropeSafer
Jake Williams @malwarejake.bsky.social Breaker of software, responder of incidents, IANS Faculty, VP R&D Hunter Strategy.
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
Tijme Gommers @tijme.bsky.social Offensive Security at ABN AMRO Bank 🏦. Red Teaming, Malware Development & Reverse Engineering 🐙. Cyber Cyber Cyber ⚡️.
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
Ollie Whitehouse @ollieatnowhere.bsky.social CTO at the UK's National Cyber Security Center 
Marc Smeets @marcoverip.bsky.social Does a thing or two with red teaming @ Outflank | part time race and drift car instructor
Florian Roth @cyb3rops.bsky.social Placeholder profile : https://x.com/cyb3rops | glad to be in this respectful safe space | vi/vim
Orange Tsai @orange.tw This is 🍊
Rich Warren @buffaloverflow.rw.md Red Team & Offensive Security Research @amberwolfsec.bsky.social
Bert Hubert 🇺🇦🇪🇺🇺🇦 @berthub.eu Voormalig voormalig toezichthouder, schrijver van stukjes, nerd, amateur wetenschapper. Spreekt namens niemand. https://berthub.eu/
Alexander Klöpping @alexandernl.bsky.social Founder Blendle (acquired), University of the Netherlands, http://POM.show
Joseph Cox @josephcox.bsky.social Hacking/crime/privacy journalist. Author of DARK WIRE, buy here: https://www.hachettebookgroup.com/titles/joseph-cox/dark-wire/9781541702691/#preorder Co-founder of 404 Media. Signal: joseph.404 Email: joseph@404media.co
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
Tim Hofman @debroervanroos.bsky.social 🎥📝🌎
dan maken we maar zin.
https://linktr.ee/debroervanroos
Nikki Sterkenburg @sterknikki.bsky.social Bijz. Hoogleraar Onderzoeksjournalistiek (VU) 👩🏻🎓
Werkt ook bij Berenschot 💻
Bestuurslid Nationaal Comité 4 en 5 mei 🇳🇱
Fan van Nick ❤️ Lid Volt 💜
Hier op persoonlijke titel 🖋️
Dave Maasland @davemaasland.bsky.social Connecting & inspiring people to create a safer, digital world | Passion for IT Security | CEO @ESETNL
Sander Schimmelpenninck @schimmelpenninck.bsky.social Journalist and entrepreneur
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 Alkemade @xnyhps.nl Security Researcher.
Frank Groenewegen @frankgr.bsky.social Cybersecurity expert
Olaf Koens @olafkoens.nl Correspondent, schrijver, journalist. 'When the going gets weird, the weird turn pro.'
https://www.singeluitgeverijen.nl/nijgh-van-ditmar/auteur/olaf-koens/
Wessel Hissink @wessec.bsky.social Things I say on Twitter are personal opinions and views.
Team Blue | DFIR | Bug bounties
Full time Blood Glucose manager (T1D)
https://blog.wesselhissink.nl
Edwin van Andel @yafsec.bsky.social http://Zerocopter.com | CTO | Speaker | Security | Hacking | ALT-S Organizer | נקר ירוק | Last Unicorn Con | Defcon 003120 | @iamthecavalry | @yafsec@mastodon.online
Tom Scott @tomscott.com I make things. They’ll probably come back to haunt me in a few years’ time. https://www.tomscott.com/
Baptiste Robert @fs0c131y.com CEO @ Predicta Lab | French Security Researcher, Ethical Hacking, OSINT
Troy Hunt @troyhunt.com Founder & CEO of @haveibeenpwned.com, the most trusted name in data breach intelligence. Speaker, blogger, Microsoft Regional Director. Gold Coast, Australia.
SchizoDuckie @schizoduckie.bsky.social The lamest hacker you know.
I find the data and passwords that you don't know are leaking
Daniël Verlaan @daniel.verlaan.xyz journalist RTL Nieuws ☎️ 06 2089 8142 📫 daniel.verlaan@rtl.nl 🏆 winnaar Wie is de Mol, Tegel & Loep 📕🎙️🍿 boek, podcast en docu ‘Ik weet je wachtwoord'
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
Electrospaces.net @electrospaces.bsky.social Insights in Signals Intelligence, Communications Security and Top Level Telecommunications. Also tweeting in Dutch and sometimes in German.
Joost Schellevis @schellevis.net journalist @ NOS
Ronald Prins @cryptoron.bsky.social 
Dutch_OsintGuy @dutchosintguy.bsky.social Dutch guy with Open Source Intelligence & Analysis skills • OSINT • Certified Instructor @SANSInstitute • SVP of Engineering& Chief Innovator @ shadowdragon.io
the grugq @thegrugq.bsky.social 
Chantal 🔮 @mifarelady.bsky.social Co-founder womenofwicca.nl for Women in Infosec | DC3120 | 🎙Angrynerds | SSDGM 🖤 | (she/her)
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
Floor Terra @floort.bsky.social 
Rik @rikvduijn.bsky.social Zolder 
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."
Erik Ploegmakers @ploegmakers.bsky.social Cybersecurity & tech. I love music and write about comics @9ekunst.nl. Leidenaar.
Marijn Pool @icypalm.bsky.social Software Developer, amateur electronicus, houdt van dingen slopen(en repareren)
also: https://mastodon.social/@IcyPalm
Lennaert89 @lennaert89.bsky.social Interested in infosec / hacking / osint / dfir / bugbounty!
Formerly Zerocopter.com, currently Head of Triage at Intigriti.com
Head CSIRT over at divd.nl
Hacknotcrime Advocate
Aut viam inveniam aut faciam.
Azeria @azeria-labs.com Founder of Azeria Labs, Trainer, Author of Blue Fox: Arm Assembly Internals & Reverse Engineering
Kim Zetter @kimzetter.bsky.social Journalist - cyber/natn'l security. Speaker. Georgetown adjunct prof. Author - COUNTDOWN TO ZERO DAY: Stuxnet and the Launch of the World's First Digital Weapon
Signal: KimZ.42
https://www.zetter-zeroday.com
Ian Coldwater 🧊🚫 @lookitup.baby Kubernetes SIG Security Co-Chair, goose in the mainframe. Minneapolis. They/them. Stay punk 🏴
MSP feed info: https://bsky.app/profile/amityf.bsky.social/post/3mrv36uo4pc2a
Ned Pyle @nedpyle.com Dog butler to Indy, Darby, & Kell. Former USMC 0341. Chicago Tavern style. You may know me from years of MSFT. Or not. Was @nerdpyle before the bad times. Eat shït, nazis
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
Kevin Beaumont @doublepulsar.com cybersecurity weather man. scanning the horizons for cloudy cyber. Expert at nothing except computer rubbish. Anti-ransomware since 2015.
Whitney Merrill @wbm312.bsky.social I nudge people to care about privacy and security. CPO/DPO. Privacy/infosec lawyer. Hacker. Fighting for privacy, digital civil liberties & the users. Ex @EA @FTC |my views are my own. I used to post on Twitter at @wbm312.
Alexandria Ocasio-Cortez @aoc.bsky.social Waitress turned Congresswoman for the Bronx and Queens. Grassroots elected, small-dollar supported. A better world is possible.
ocasiocortez.com
Katie Moussouris (she/her/she-hulk/she-ra)🌻 @k8em0.bsky.social Founder & CEO LutaSecurity @payequitynow MIT&Harvard visiting scholar, @MasonNatSec fellow, 1/2 Chamoru, 1/2 Greek all-American hacker
Marcus Hutchins @malwaretech.com threads.com/@malwaretech
https://linkedin.com/in/malwaretech
https://marcushutchins.com
@mikko @mikko.bsky.social Fighting malicious use of technology.
Bellingcat @bellingcat.com Bellingcat is a global collective uncovering facts to hold power to account. Our work is independent. Our methods are public. Our community is global.
Want to support our charity? bellingcat.com/donate
Lesley Carhart @hacks4pancakes.com I am eminently qualified to speak from experience about a variety of dumpster fires.
ICS DFIR at Dragos, martial artist, marksman, humanist, level 14 Neutral Good rogue, USAF retired. I post *very serious* things about infosec. Thoughts my own. Enby. 🏳️🌈
Andy Greenberg @agreenberg.bsky.social Writer for WIRED. Author of SANDWORM. Latest book, TRACERS IN THE DARK: The Global Hunt for the Crime Lords of Cryptocurrency, out now. agreenberg@wired.com. Andy.01 on Signal.
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
Martijn Grooten @martijngrooten.bsky.social Threat researcher, rights supporter, obsessive reader, marathon runner, eternal traveler, serial migrant, music blogger, lapsed mathematician.
https://lapsedordinary.net/
Signal: martijngrooten.37
Chris Krebs @thekrebscycle.bsky.social Aka @c_c_krebs over there 
SwiftOnSecurity @swiftonsecurity.com computer security person. former helpdesk