NCSC UK @ncsc.gov.uk We are the National Cyber Security Centre – part of the UK’s intelligence & cyber agency GCHQ. We help to make the UK the safest place to live and work online.
Internet Engineering Task Force @ietf.org The overall goal of the IETF is to make the Internet work better by producing open technical standards.
bryan newbold (⛱️ sabbatical mode) @bnewbold.net oscilloscopes, cycling, snow, big cities, wiki. I like speculating about found objects.
protocol engineer @bsky.app (on 2026 summer sabbatical). formerly archive.org
elsewhere: bnewbold.net / @bnewbold@social.coop
leHACK @le-hack.bsky.social 🗓️ #leHACK 2026 // June 26-27, 2026
🎟️Tickets : https://www.billetweb.fr/lehack-2026-brave-new-world
📍 https://www.cite-sciences.fr
Stéphane Bortzmeyer @at.bortzmeyer.fr https://www.bortzmeyer.org/
ANSSI @anssi-fr.bsky.social Compte officiel de l'Agence nationale de la sécurité des systèmes d'information (ANSSI) | Retrouvez les alertes de #cybersécurité sur le compte @cert-fr.bsky.social
Conseil constitutionnel @conseil-constitutionnel.fr Bienvenue sur le compte officiel du Conseil constitutionnel
Arcom @arcom.fr L’Arcom est le régulateur français de la communication audiovisuelle et numérique. #AudiovisuelPourTous / #InternetPlusSûr / #ProtégerLaCréation
@beavertools.bsky.social @beavertools.bsky.social 
Hackfest @hackfest.bsky.social Largest hacking event in Canada held in Quebec City, Canada every fall. Bilingual (EN & FR), technical conferences, workshops, #CTF and more https://hackfest.ca
podcast La French Connection https://securite.fm | QuebecSec.ca
My Zero Carbon #ClimateAction @myzerocarbon.org Practical #ClimateAction 🥗
Join our journey to #ZeroCarbon 🚴
#hope in the face of #GlobalWarming & #ClimateCrisis 🌳
reg. charity info https://myzerocarbon.org
#Climate 🎥 https://www.youtube.com/@myzerocarbon
La France sur Bluesky/Eurosky @france-atmosphe.re 🦋 Collectif bénévole qui promeut l'adoption des applications de micro-blogging sur AT Protocole.
Crée des starter-packs thématiques de comptes français 🇫🇷
✅ Vérificateur de confiance pour @mu.social 🐮, une application de @eurosky.social 🇪🇺
Open Regulatory Compliance @orcwg.org Global, industry-led collaboration helping organisations understand and implement open source compliance strategies under evolving regulations. Hosted by @eclipse.org
Get involved: orcwg.org/participate/
501Secure @501secure.bsky.social We're a nonprofit program dedicated to helping #nonprofits stay safe online. Get to know us at www.501secure.org.
Sam Bowman @sleepinyourhat.bsky.social AI safety at Anthropic, on leave from a faculty job at NYU.
Views not employers'.
I think you should join Giving What We Can.
cims.nyu.edu/~sbowman
Anthropic @anthropic.com We're an Al safety and research company that builds reliable, interpretable, and steerable Al systems. Talk to our Al assistant Claude at Claude.ai.
HN @hnws.bsky.social Unofficial Hacker News Bot.
I publish posts which reach front page of the Hacker News automatically.
In case of issues please contact my maintainer @sashk.dev
Agrasc @agrasc.bsky.social Agence de gestion et de recouvrement des avoirs saisis et confisqués
MDN Web Docs @developer.mozilla.org The official MDN Web Docs account, now on Bluesky. We deliver the best web docs around.
Visit → https://mdn.dev
Contribute → https://mdn.dev/community
BSidesSF CTF @bsidessfctf.bsky.social This year's BSidesSF CTF from Friday, March 20 4:00pm PDT to Sunday, March 22 4:00pm PDT.
Contributors: @matir.bsky.social, @iagox86.bsky.social, @ninjacorgi.bsky.social, @dpendolino.bsky.social, Symmetric, Anshc, Mikel, Meow
BSides Las Vegas @bsideslv.org BSides Las Vegas will take place August 3-5, 2026
Las Vegas · bsideslv.org
@manhack @manhack.net Envoyé spécial sur les internets, (data)journaliste d'investigation freelance @next.ink, formateur #factchecking, #OSINT & #OPSEC. Pour en savoir + & me contacter de façon sécurisée : https://jean-marc.manach.net
Rayna 🤓🇪🇺👩💻📚✍️ @maliciarogue.bsky.social 💼CEO RS Strategy
✍Award-winning writer
🧠Practitioner in residence @ CIS-CNRS
ex🧬scientist | Amba @DigitalEU | ❤️🚆 | Polylingual
Uncertainty management, strategy, foresight #Infosec #EU #FLOSS
I contain multitudes
📌Elsewhere: https://linktr.ee/maliciarogue
Aurélie Drvn @aureliedrvn.com Tech, history and politics
Early bsky adopter - Team 🐶
Co-Founder kayz.fr - ziplo.fr
Lyon - France
Gouvernement @info.gouv.fr Compte officiel du Gouvernement français.
Acorn DevOps @acorndevops.bsky.social acorninteractive.ca
Home of the devvy Kjörndogs. Buckle up, get comfortable. We’ll be pushing automated updates from any major developments on our core application, while publishing technology insights, code related findings, and general dev musings.
Cité des sciences et de l'industrie @citedessciences.bsky.social 📍 Paris La Villette, France 🇫🇷
🪐 Planétarium | Cité des enfants | Cité des bébés
🧩 Expos Danser, Chiens et chats, Machine arrière, Cornucopia
🌐 https://www.cite-sciences.fr/
Clara Chappaz @clarachappaz.bsky.social Ministre Déléguée chargée de l’Intelligence Artificielle et du Numérique
Remedio @remediosecurity.bsky.social Harden your configuration security while eliminating the risk of disruption, all at the push of a button.
https://www.remedio.io/
@r0tware.bsky.social @r0tware.bsky.social Degenerate Artist and Professional Computer Nerd.
Intruder @intruder-io.bsky.social Use Intruder for real-time discovery and prioritization of attack surface weaknesses. Focus on the fixes that matter. https://www.intruder.io/
WebPerformance Report @webperfreport.bsky.social Web performance report every week in your inbox. ⚡
Sponsored by: @Catchpoint | @DebugBear
👉 https://webperformancereport.com/
SANS.edu Internet Storm Center @sansisc.bsky.social http://isc.sans.edu - Global Network Security Information Sharing Community - Daily blogs and cyber security news podcast.
Matthieu Audibert @matthieu-audibert.fr Officier @Gendarmerie - docteur en droit privé et sciences criminelles @uparisnanterre.bsky.social #Cybercriminalité #Cybersécurité - #ComCyberMi | Compte personnel
Ben Waring @benwaring.bsky.social Global PR and Comms in #Tech and #Cybersecurity. Sports, travel, and outdoor enthusiast. Dog and plant dad. #Carolina & #ODU alum. Colorado based.
Baptiste Robert @fs0c131y.com CEO @ Predicta Lab | French Security Researcher, Ethical Hacking, OSINT
Catalin Cimpanu @campuscodi.risky.biz ☆ Cybersecurity reporter
★ Newsletters at Risky Business
#infosec #cybersecurity
https://risky.biz
P·U·R·R @asso-purr.eu.org Association « Pour un RGPD respecté »
Privilégiez notre compte sur le Fediverse :
@purr@firefish.asso-purr.eu.org
https://firefish.asso-purr.eu.org/@purr
AG Rob Bonta @agrobbonta.oag.ca.gov California's Attorney General. Standing up for all Californians and fighting injustices as the People's Attorney. Official Bluesky account.
ONYPHE @onyphe.io Provider of Attack Surface Discovery (ASD), Attack Surface Management (ASM) and CTI solutions. Scanning at Internet-scale since 2017 - contact at onyphe dot io
Have I Been Pwned @haveibeenpwned.com Check if you have an email address or password that has been compromised in a data breach. Created and maintained by
@troyhunt.com.
Matthew Green @matthewdgreen.bsky.social I teach cryptography at Johns Hopkins. https://blog.cryptographyengineering.com
@nolimitsecu.bsky.social @nolimitsecu.bsky.social 
Bruno Pedro @brunopedro.com Building an API Product: Design, implement, release, and maintain API products that meet user needs: https://a.co/d/dE6pQpK
Opinions expressed are solely my own and do not express the views or opinions of my employer.
Internetstiftelsen @internetstiftelsen.se En oberoende, affärsdriven och allmännyttig organisation. Vi verkar för ett internet som bidrar positivt till människan och samhället.
Afnic @afnic.bsky.social Internet Made in France - Registre des noms de domaine en .fr, .re, .pm, .tf, .wf et .yt - Opérateur technique de registre. French registry for .fr domain names.
Sec Conferences @secconferences.bsky.social Sec Conferences brings together cybersecurity professionals, thought leaders, and innovators through premier InfoSec events like Hack Space Con and Hack Red Con. Dedicated to fostering collaboration, and advancing knowledge.
Allan “Ransomware Sommelier” Liska @ransomwaresommelier.com Recorded Future - Ransomware Researcher
Owner @greenarcher.io - Yours Truly, Johnny Dollar | The Press Guardian | The Clock | The Green Archer
Weird mix of security, comics, photography and wine!
www.greenarcher.io
SentinelLABS @sentinellabs.bsky.social We are the Threat Intelligence and Malware Analysis team of
@sentinelone.com
https://sentinellabs.com
https://labscon.io
Alex Stamos @stamos.org CPO/CSO of Corridor.dev, teaching at Stanford.
SentinelOne @sentinelone.com The world’s most advanced, autonomous AI-powered cybersecurity platform. We empower the world to run securely, with leading organizations trusting us to Secure Tomorrow™. Secure your enterprise: http://sentinelone.com/request-demo/
Sentry @sentry.io Application monitoring software considered "not bad" by 4 million developers.
Shell @risu.bsky.social edtech and digital /cyber strategy/ advisor against tech enabled harm/ domestic abuse #edtech #education #harmreduction she/her
Lily Hay Newman @lhn.bsky.social Security reporter for WIRED Magazine. she/her/my man. Signal +1 (347) 722-1347
Andrew Couts @couts.bsky.social Security & Investigations Director at @WIRED.com. Send tips and/or dog pics.
Signal: couts.01
Matt Burgess (WIRED) @mattburgess1.bsky.social Security writer @wired.com
Cybercrime, privacy, surveillance, and more.
Signal: mattburgess.20 | Email: matt_burgess@wired.com
Blandine Delaporte @blandelaporte.bsky.social Senior Director, Solutions Engineering - SentinelOne
Messages pros, mais pas que. En tout cas ce sont les miens 😊
Mathieu Gaucheler @shibasec.bsky.social OSINT and cybersecurity. SME at Maltego.
Maltego machines / custom Transform / Talks in my GitHub: github.com/shibaOSINT/MaltegoMachines
Medium: medium.com/@shibaosint
Merill Fernando 💚 @merill.net Product Manager @microsoft | Creator of bluesky.ms • cmd.ms • idPowerToys.merill.net • Graph X-Ray • 🇦🇺 • 🇱🇰 • Posts my own
http://youtube.com/@merillx
Sign up to my newsletter https://entra.news
Jipe @cyberjipe.bsky.social I fix accepted risks.
Incident Response & Purple Teaming @ CrowdStrike.
Previously DFIR @ANSSI_FR / @CERT_FR. Former @CertSG team leader.
Trinidad and Tobago Computer Society @ttcs.tt https:.//ttcs.tt
Graze Social @graze.social Own your algorithm.
👉 https://graze.social/
⚙️ Need product support? Skip the DMs: https://tinyurl.com/3hcabn8v
✨ Building something cool? Join us on Discord: https://discord.gg/Y6UkgsFx4D
CIRA @cira.ca CIRA is the non-profit that manages the .CA domain and works hard to build a trusted internet for Canadians.
cira.ca
Valéry Rieß-Marchive @valerymarchive.bsky.social Rédac' chef de LeMagIT (fr)
Accro #cybersécurité #infosec
Collectionneur de #ransomware
follow: https://linktr.ee/valerymarchive
DGCCRF @dgccrf.bsky.social Direction générale de la #Concurrence, de la #Consommation et de la Répression des #fraudes | Un problème de consommation ? Signalez-le sur SignalConso !
Assemblée nationale @assembleenationale.bsky.social 
podCloud @podcloud.fr Le podcast, simplement. L'hébergement créé par des podcasteurs indépendants pour toutes et tous à prix raisonnable !
.
Infos sur podCloud.fr/pricing
Frank Wiersma @frankwiersma.bsky.social Ethical Hacker | Cyber Security Professional | OSCP | Experimenting with VR ᯅ, LLM, GenAI
Manuel Sainsily • Caribbeanofuturist @manuvision.bsky.social 🎤 TED Speaker, AI Ethics: LightSpeed/Masterclass/SkillShare
🎨 Award-winning Artist: Meta/Mozilla/NVIDIA/OpenAI
🎓 University Lecturer: McGill/OCAD/UMB
Chut! Magazine @chutmagazine.bsky.social Chut! Magazine décrypte l'impact du numérique dans nos vies au format papier trimestriel.
Depuis 2023, en version ado bimestrielle avec @chutexplore.bsky.social, pour une éducation au numérique des jeunes.
https://linktr.ee/chutmagazine
Pierre Mériaux @pierremeriaux.bsky.social Fan d'écologie et solidarité avec l'ADES https://www.ades-grenoble.org/ et Fan de montagne et de jazz. 🇵🇸 🇺🇦
Jonathan Guiffard @joeguiffard.bsky.social 🇨🇵 in 🇬🇧
Researching strategic competition on
1. 🇺🇸 Cyber & SIGINT
2. 🌾W-African rivalries
🔬PhD in Geopolitics @ GEODE (IFG/Paris 8 Uni.)
🪔 Teaching @ Sciences Po Paris (intel&cyber)
🏖 Fmr 🇨🇵 gov
DSI Magazine @dsimagazine.bsky.social DSI, la revue de référence sur les questions de défense, en France et dans le monde depuis 2005.
Indépendant. Pertinent. Précis. De référence.
www.areion24.news
Thomas REGNIER @thomasregnier.ec.europa.eu European Commission Spokesperson for tech sovereignty, defence and space.
DFRLab @dfrlab.bsky.social The Atlantic Council's Digital Forensic Research Lab. Cultivating a global network of digital forensic analysts (#DigitalSherlocks) to combat disinformation.
Meredith Whittaker @meredithmeredith.bsky.social President of Signal, Chief Advisor to AI Now Institute 
Cecile Le Guen @cecilelg.bsky.social - Experte data et produits numériques pour l'innovation et la transformation publique
- Passée par @datactivist
#opendata #data #opengov #gouv
Danse le tango💃🏻, joue du piano 🎹, et allie ses deux passions dans un seul art : un orchestre de tango
Mahé Dersoir @mahedersoir.bsky.social Cyber & International Policy @francediplo 🇫🇷🇪🇺
HashiCorp @hashicorp.com HashiCorp helps you automate multi-cloud and hybrid environments with Infrastructure and Security Lifecycle Management.
Together, we can do cloud right.
Alexandre Archambault @archambault-avocat.fr French lawyer. Law & Bits. ePrivacy. CyberSec. Different Thinker / Avocat Numérique. Libertés publiques. Trucs pour ceux qui ont besoin d'en connaitre. Exégète professionnel depuis 1996.
aeris @aeris.eu.org Réveil de la CNIL depuis 2016
Yves "Yorzian" Rougy @yrougy.bsky.social Vulgarisation, Unix/Linux teacher /Vulgarisateur, formations informatiques. Twitch partner http://twitch.tv/yorzian — http://YouTube.com/yrougy Internet Dinosaur
Gabriel Thierry @gabrielthierry.eurosky.social Journaliste, aux manettes de la newsletter cybercrime Pwned | gabrielthierry@protonmail.com https://linktr.ee/gabrielthierry
Mattermost @mattermost.bsky.social Mattermost is the leading collaboration platform for mission-critical work. We serve national security, government, and critical infrastructure enterprises, from the U.S. Department of Defense, to global tech giants, utilities, and banks.
TrendAI Zero Day Initiative @thezdi.bsky.social TrendAI Zero Day Initiative™ (ZDI) is a program designed to reward security researchers for responsibly disclosing vulnerabilities.
@vaultree.bsky.social @vaultree.bsky.social 
VIGINUM @viginum.bsky.social VIGINUM est le service technique et opérationnel de l’État chargé de la vigilance et de la protection contre les ingérences numériques étrangères.
BleepingComputer @bleepingcomputer.com Breaking cybersecurity and technology news, guides, and tutorials that help you get the most from your computer. DMs are open, so send us those tips!
FIRST.org @first.org Improving Security Together
Liam Proven @lproven.bsky.social Tall, dark, black-clad, atheist, skeptic, vegetarian, SF fan; writes (mostly about computers) for a living. All opinions expressed are my own & not those of any employer.
Hacking the Cloud @hackingthe.cloud An open source encyclopedia of offensive security techniques that can be used in cloud environments. Created and maintained by @frichetten.com
fwd:cloudsec @fwdcloudsec.org Non-profit, community-based cloud security conference.
Datadog Security Labs @securitylabs.datadoghq.com Read our Security Labs blog: https://securitylabs.datadoghq.com
Subscribe to our monthly newsletter: https://securitylabs.datadoghq.com/newsletters/
X ΘΔ (Security Risk) @xkeeper.net [38 - she/they - plural digital chimera, a mess]
"everyone moving to bluesky is an idiot"-- me, an idiot/harpy
co-founder @tcrf.net w/ roommate @rachelmae.bsky.social
homepage: xkeeper.net
fyi: i loathe gen AI and the like.
Women in Security and Privacy (WISP) @wisporg.bsky.social Women In Security and Privacy (WISP) — Advancing women and underrepresented communities to lead the future of security & privacy | Nonprofit organization open to everyone
www.wisporg.com
Keeper Security @keepersecurity.bsky.social Manage, protect and monitor all your organization's passwords, secrets and remote connections with zero-trust security.
COcyber @cocyber.eu Joining forces for #DigitalSafety in Europe!
COcyber enhances collaboration between #civilian & #defence #cybersecurity sectors. 🇪🇺🔐 EU-funded, 2-year project launched July 2024.
🌐 cocyber.eu
Alexis Rapin @alexis-rapin.bsky.social Strategic Cyber Threat Intelligence Analyst @esetresearch.bsky.social // Research Fellow at Chaire Raoul-Dandurand en études stratégiques et diplomatiques (UQAM) // At the confluence of cyber & geopolitics