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
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.
Anne Applebaum @anneapplebaum.wsocial.eu staff writer @theatlantic.com and senior fellow @snfagora.bsky.social. author of GULAG, IRON CURTAIN, RED FAMINE, TWILIGHT OF DEMOCRACY and AUTOCRACY INC
https://linktr.ee/anneapplebaum
Anton Gerashchenko @antongerashchenko.bsky.social Ukrainian patriot. Advisor to Internal Affairs Minister (2021-2023). Support my team of volunteer translators: http://patreon.com/TwitterAG
Wild West Hackin' Fest @wildwesthackinfest.bsky.social Join us for Wild West Hackin' Fest - Deadwood 2026! Con: Oct. 7-9, 2026, Pre-Con Training: Oct. 6-7, 2026
Ronald Prins @cryptoron.bsky.social 
KQLCafe @kqlcafe.bsky.social A Community to make the world a better place with KQL | Learn, share and practice the KQL language
#KQL #Security #ThreatHunting #LogAnalytics #DataExplorer
https://kqlcafe.com/
Alex Simons @alexsimons.bsky.social CVP Microsoft Identity and Network Access
+ Head Coach Sudden Impact U15 Volleyball
Sami Lamppu @samilamppu.bsky.social 
Microsoft Mechanics @msftmechanics.bsky.social Why, How & When to control current and forthcoming Microsoft Tech. Hosted by Microsoft Director @deployjeremy.bsky.social & colleagues. An official Microsoft video series. 
Cloud IdentitySummit @identitysummit.bsky.social Community event with focus on related topics to #AzureAD and Cloud #Identity in #Azure. Organized by the @AzureBonn Team.
GitHub @github.com The AI-powered developer platform to build, scale, and deliver secure software.
NetSPI @netspi.bsky.social 
ᴍɪᴄʜᴀʟɪs ᴍɪᴄʜᴀʟᴏs @cyb3rmik3.bsky.social Regional Threat Protection Tech Lead @ Microsoft | Former Microsoft MVP | Father 👭/Hasbund 👫/🍷&⌚️ enthousiast/Explorer ✈️ | Views my own | blog michalos.net
Justin Grote @posh.guru Yak Shaver of the highest order.
GitHub: github.com/JustinGrote
Twitter: twitter.com/JustinWGrote
Ben Reader | 🔌😈 @powers-hell.com IT Pro | Microsoft MVP | Speaker | Obsessed with automation.
Coffee, Loud dumb music, Powershell, Intune & other cloudy things. Prophet.
Jeff @authnopuz.xyz Oscillating between IDPro, Identerati, and OAuth2 punk, former IdentityMonk. Security and Privacy are not best practices, they are the only way.
Eric Woodruff @ericonidentity.com Entra nerd currently @ #Semperis. Parent. Partner. MS Security MVP. Views are those of my cat.
@its-a-feature.bsky.social @its-a-feature.bsky.social @its_a_feature_ on Twitter | Mythic developer | @SpecterOps
Huib Modderkolk @huibmodderkolk.bsky.social Onderzoeksjournalist Volkskrant
Going dark
h.modderkolk at volkskrant.nl
Signal: hmodderkolk.20
Karl Fosaaen @kfosaaen.bsky.social VP of Research - @netspi
Co-author of “Penetration Testing Azure for Ethical Hackers” (http://amzn.to/3GOvW3A).
@kfosaaen on most other platforms
Bert Hubert 🇺🇦🇪🇺🇺🇦 @berthub.eu Voormalig toezichthouder, schrijver van stukjes, nerd, amateur wetenschapper. Spreekt namens niemand. https://berthub.eu/
Bob Deen @bobdeen.bsky.social Head of Security Unit & Senior Researcher at Clingendael Institute, Netherlands | Security & Defence | Eastern Europe, Caucasus, Central Asia
Clingendael Institute @clingendael.bsky.social Independent think tank and academy on international affairs to contribute to a secure, sustainable and just world. 40+ years of top knowledge & training.
Tegenlicht @vprotegenlicht.bsky.social Welcome to the real world. Prik door de waan van de dag en zie wat er schuilgaat achter de ontwikkelingen van vandaag.
https://t.mtrbio.com/tegenlicht
Demand Progress @demandprogress.bsky.social Grassroots, nonpartisan organization with nearly 1 million affiliated activists fighting for the rights and freedoms needed for a modern democracy.
The Intercept @theintercept.com Fearless, adversarial journalism. Join our newsletter to get our best investigative reporting delivered to you: https://theintercept.com/newsletter/
Philippe De Ryck @philippederyck.bsky.social I help developers protect companies through better web security
Nicolas Papernot @nicolaspapernot.bsky.social Security and Privacy of Machine Learning at UofT, Vector Institute, and Google 🇨🇦🇫🇷🇪🇺 Co-Director of Canadian AI Safety Institute (CAISI) Research Program at CIFAR. Opinions mine
BertJanCyber @bertjancyber.bsky.social CSIRT | http://kqlquery.com | Microsoft Security MVP | Blue & Purple Team | SOC | SIEM | Threat Hunting | Detection Engineering | #KQL |
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
Thomas Roccia :verified: @fr0gger.infosec.exchange.ap.brid.gy AI x Threat Intelligence
🌉 bridged from ⁂ https://infosec.exchange/@fr0gger, follow @ap.brid.gy to interact
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/
Simon Wåhlin @simonwahlin.bsky.social Cloud Architect @ Unwonted | Azure MVP, Certified Trainer
Azure | Bicep | BicepLang | PowerShell
I want to bridge the gap between Dev and Ops and enable secure and efficient cloud solutions on Azure for every organization.
Microsoft Research @msftresearch.bsky.social We advance science and technology to benefit humanity.
http://microsoft.com/research
the grugq @thegrugq.bsky.social 
Patrick Gray @patrick.risky.biz https://risky.biz/
Chris Krebs @thekrebscycle.bsky.social Aka @c_c_krebs over there 
Johann Rehberger @wuzzi23.bsky.social 
Rod Trent @rodtrent.com Christian. Husband. Father. Runner. Speaker. Author. Capitalist. Cyber and AI at Microsoft. Dude/Bro.
Simon Willison @simonwillison.net Independent AI researcher, creator of datasette.io and llm.datasette.io, building open source tools for data journalism, writing about a lot of stuff at https://simonwillison.net/
Steven Lim @stevenlim.bsky.social #MicrosoftMVP #Cybersecurity #Sentinel #DefenderXDR #KQL #KQLWizard
https://spotlight.favikon.com/steven-lim/
War Studies Research Centre NL @wsrcnl.bsky.social 
Ru Campbell @campbell.scot Microsoft Security MVP + Microsoft Security Practice Lead at Threatscape
Mostly: Entra, Defender, Intune, Purview, and Microsoft 365
Also: dad, metal, lifting, wrestling, cars
Mostly on Twitter rather than here: @rucam365
Pjotr Sauer @pjotrsauer.bsky.social Reporter covering Russia, Ukraine and Central Asia for The Guardian. Write to me: pjotr.sauer@theguardian.com
Andy Robbins @andyrobbins.bsky.social aka wald0
Paul Ducheine @paulducheine.bsky.social (Prof. em.) Cyber Warfare: Research Fellow (NLDA) & Sr. researcher (UvA-Law), vz Traditiecommissie Landmacht, Zeeuws-Vlaming
Maarten Goet @handle.invalid Microsoft MVP since '07 & Microsoft RD since '15, Chief Threat Officer at Wortell, Founder of Experts Live.
BicepLang @biceplang.bsky.social Home of the maintainers of the Bicep programming language for Azure-based deployments
aka.ms/bicep
Alex Frankel @adotfrank.bsky.social Product Manager at Microsoft working on Bicep and Terraform
Alex Weinert @alexweinert.bsky.social Identity security, sailor, diver, musician, off-road enthusiast, chef, trekker, gardener, photographer, writer, adhd adventurer.
Thomas Naunheim @naunheim.cloud #Microsoft MVP | #CloudSecurity Architect ☁️ | #Entra #AzureAD 🔑 + #AzureSecurity 🛡️ | #CommunityRocks | #Schaengel
Dr Nestori Syynimaa @drazuread.com Principal Identity Security Researcher @Microsoft. Ex-Secureworks (PhD, MSc, MEng, CITP, CCSK).
And yes, opinions are my own ;)
Florian Roth @cyb3rops.bsky.social Placeholder profile : https://x.com/cyb3rops | glad to be in this respectful safe space | vi/vim
Sami Laiho @samilaiho.com Keynote-speaker, Chief Research Officer, Microsoft MVP since 2011
More info: https://samilaiho.com/
Red Siege @redsiege.com Penetration Testing, Purple Team, Red Team & Adversary Emulation.
Let our Offense, Prepare your Defense. https://redsiege.com
#weareoffensive
John Hammond @johnhammond.bsky.social Hacker. Friend. Cybersecurity Researcher at Huntress.
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
Microsoft Tech Community @mscommunity.bsky.social Home of the Microsoft Tech Community and its friends. Posts about events, content from great creators and experts, inside and outside of Microsoft about our products. 
Black Hat @blackhatevents.bsky.social The world's premier Technical Cybersecurity Conference Series
SpecterOps @specterops.io Creators of BloodHound | Experts in Adversary Tradecraft | Leaders in Identity Attack Path Management
John Savill @savilltech.com 
Marietje Schaake @marietjeschaake.bsky.social Proud European 🇪🇺 Fellow at Stanford 👩🏼💻 column in FT 🗞️Member of European Parliament 2009-2019 📕Author: The Tech Coup
Demitrius Nelon @denelon.bsky.social Microsoft Product Manager - WinGet
Alexander Klöpping @alexandernl.bsky.social Founder Blendle (acquired), University of the Netherlands, http://POM.show
Olaf Hartong @olafhartong.nl Security researcher with a camera | @FalconForce.nl | Microsoft MVP | Snow man role model | https://youtube.com/@olafhartong
Mark Russinovich @markrussinovich.bsky.social CTO of Microsoft Azure, author of novels Rogue Code, Zero Day and Trojan Horse, Windows Internals, Sysinternals tools. Opinions are my own.
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
The Register @theregister.com Your favorite enterprise technology news vultures, flying high in the Bluesky – On the web since 1998 – More here: https://www.theregister.com/
Mark Simos @markasimos.bsky.social Lead Cybersecurity Architect • Executive and Board Advisor • Keynote Speaker • Professional Storyteller
https://www.youtube.com/@MarkonCybersecurity
Nathan McNulty @nathanmcnulty.com Loves Jesus, loves others | Husband, father of 4, security solutions architect, love to learn and teach | Microsoft MVP | @TribeOfHackers | 🐘infosec.exchange@nathanmcnulty
Fabian Bader @fabian.bader.cloud #Security #Azure #EntraID #XDR #MDE #Identity #M365 #AD #PKI #KQL
Microsoft MVP
Tweets and opinions are my own
rootsecdev @rootsecdev.bsky.social Security Consultant @TrustedSec | Military grade meme poster, researcher, cloud penetration tester, voider of warranties. My thoughts are my own.
Follow the Money @ftm.nl Follow the Money is een platform voor onderzoeksjournalistiek met een glashelder doel: waarheidsvinding in dienst van de samenleving. https://ftm.nl
Jef Kazimer 😶🌫️ 🆔 @jeftek.com Principal Product Manager @Microsoft #security focused on #Entra #Identity and Identity Governance
- 🆔 & #Cybersecurity
- Star Wars 🌟 nerd
- Disney Adult 🏰
My posts are not official support of my employer
My info and content is at https://jeftek.com
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
Scott Hanselman 🌮 @scott.hanselman.com I want you to win and be happy. Code, OSS, STEM, Beyoncé, T1D, open source artificial pancreases, Portland, 3D printing http://hanselminutes.com inclusive tech podcast! VP/Member of Technical Staff, Microsoft/GitHub 🌮
http://hanselman.com/about
Bluesky @bsky.app official Bluesky account (check username👆)
Bugs, feature requests, feedback: support@bsky.app