ALI TAJRAN @alitajran.bsky.social An autodidact and polymath, writing his knowledge on https://www.alitajran.com. Join the movement!
Lukas Beran @lukasberan.com Senior Security Researcher (DART) at Microsoft. Opinions are my own. #MSIncidentResponse #DART #Microsoft365 #EntraID #DefenderXDR #Sentinel
Marc-André Moreau @awakecoding.com Remote desktop protocol expert, OSS contributor and Microsoft MVP. I love designing products with Rust, C# and PowerShell. Proud to be CTO at Devolutions. 🇨🇦
307Foch @307foch.bsky.social Small time IT guy. He/Him
Justin Elze @handle.invalid CTO @TrustedSec.com | Former Optiv/SecureWorks/Accuvant Labs/Redspin | Race cars
Florian Roth @cyb3rops.bsky.social Placeholder profile : https://x.com/cyb3rops | glad to be in this respectful safe space | vi/vim
Forbes @forbes.com 
Sami Laiho @samilaiho.com Keynote-speaker, Chief Research Officer, Microsoft MVP since 2011
More info: https://samilaiho.com/
Black Hat @blackhatevents.bsky.social The world's premier Technical Cybersecurity Conference Series
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
Niebezpiecznik @niebezpiecznik.bsky.social I know your PIN
Department of Defense (mirror) @deptofdefense.govmirrors.com Mirrors posts from the DeptofDefense twitter account. No affiliation with the government.
GovMirrors starter pack here: go.bsky.app/6hGESnZ
Grzegorz Tworek @gtworek.bsky.social 
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
Will Dormann is on Mastodon @wdormann.bsky.social I play with vulnerabilities and exploits.
While this site initially showed promise, I've grown tired with its lack of improvement.
You'll find me @wdormann@infosec.exchange on Mastodon.
Hector X. Monsegur @hxmonsegur.bsky.social Snitch, contracted AIDS from my FBI handler and overdosed shortly after on my DOVATO HIV treatment. I am still confident I can live a somewhat peaceful life outside of always watching over my back and never having much of a online identity. #oopssec
Jeff McJunkin @jeffmcjunkin.bsky.social IT generalist with an infosec slant. Testing out the new hotness over here.
James Forshaw @tiraniddo.dev Security researcher in Google Project Zero. Author of Attacking Network Protocols. Posts are my own etc. 
Bill Demirkapi @billdemirkapi.bsky.social solving security at scale. reserved for future use.
Bad Sector Labs @badsectorlabs.com Cybersecurity news, techniques, exploits, and tools every week at http://blog.badsectorlabs.com 🐘@badsectorlabs@infosec.exchange
- B Arris @bitsadmin.bsky.social
0patch by ACROS Security @0patch.bsky.social Tiny security patches for Windows and 0days. No reboots, no restarts.
Bojan Zdrnja @bojanz.bsky.social IT Security guy, penetration testing is my thing. One of the SANS Internet Storm Center handlers at https://isc.sans.org.
SANS SEC542 instructor and course co-author, SEC565 instructor.
I lead the penetration testing team at INFIGO, https://www.infigo.is
The Cyber (in)Security Hub @cybersecurity.bsky.social Former NSA hacker; Cyber Expert; Current CISO, TV Cyber Expert & Keynote Speaker
Twitch.tv/cyber_insecurity
topmate.io/neal_bridges
https://linktr.ee/cyber_insecurity
#cybersecurity #redteam #hacking #blueteam #securityoperations #ciso
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.
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!
Microsoft 365 @microsoft365.microsoft.com 
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. 
Microsoft @microsoft.com AI, Cloud, Productivity, Computing, Gaming & Apps ☀️
Codie Sanchez @codiesanchezz.bsky.social I own a portfolio of Main St companies. NYT best-selling author | Invest: @CTVentureCap,
mainstreethold.co | Build: @_CTCommunity @bizscout_ @resibrands
Codie Sanchez @codiesanchez.bsky.social We should own our communities. Taking back Main Street | https://amzn.to/4hVE992
David Bombal @davidbombal.bsky.social YouTube: http://youtube.com/davidbombal
Discord: http://discord.davidbombal.com
Website: http://davidbombal.com- T @tcmsecurity.bsky.social @tcmsecurity.bsky.social
Black Hills Information Security @bhinfosecurity.bsky.social Specializing in pen testing, red teaming, and Active SOC. We share our knowledge through blogs, webcasts, open-source tools, and Backdoors & Breaches game.
blackhillsinfosec.com & poweredbybhis.com
MITRE ATT&CK @attack.mitre.org MITRE ATT&CK® - A knowledge base for describing the behavior of adversaries. Replying/Following/Reposting ≠ endorsement.
John Strand @strandjs.bsky.social I do cool Infosec stuff with cool people.
I will light the way by the bridges I burn.
David (DWIZZZLE) Weston @dwizzzle.bsky.social Corporate Vice President, OS Security and Enterprise @Microsoft
Andrea P @decoder-it.bsky.social 
CCob🏴 @ethicalchaos.bsky.social Ceri Coburn: Hacker | R̷u̷n̷n̷e̷r̷ DIYer| Vizsla Fanboy and a Little Welsh Bull apparently 🏴
Author of poorly coded tools: https://github.com/CCob
bohops @bohops.bsky.social Mostly on X
Thomas Maurer @thomasmaurer.bsky.social Check out more here: https://www.thomasmaurer.ch
N7WERA @n7wera.bsky.social Red Teamer in APT66 
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
BC Security @bcsecurity.bsky.social Threat Emulation | Training | Red Team | Penetration Testing | Compliance
EricaZelic @ericazelic.bsky.social Security Engineer / IAM Security. Defending against people like me. 
Tom Warren @tomwarren.co.uk Senior Correspondent @theverge.com ║ Sign up to Notepad, my weekly newsletter on Microsoft's big bets at http://theverge.com/notepad ║ Tips? msg me on Signal: tomwarren.01
Dr Nestori Syynimaa @drazuread.com Principal Identity Security Researcher @Microsoft. Ex-Secureworks (PhD, MSc, MEng, CITP, CCSK).
And yes, opinions are my own ;)
Marco Dijkshoorn @didyman.bsky.social IT-Consultant | Aviation photographer | Aviation Journalist | Türkiye | Greece | Cyprus | Jordan | Oman | Yemen | Iraq | Iran | Syria
The DFIR Report @thedfirreport.bsky.social Real Intrusions by Real Attackers, the Truth Behind the Intrusion.
https://thedfirreport.com
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/
Debugger @debugger.bsky.social I’m a problem solver with a passion for hardcore troubleshooting. If you think it can’t be fixed, that’s exactly when I get interested.
Antonio Cocomazzi @splintercode.bsky.social offensive security - windows internals - reverse engineering | X: https://x.com/splinter_code | Mastodon: https://infosec.exchange/@splinter_code | GitHub: https://github.com/antonioCoco | Blog: https://splintercod3.blogspot.com/
Emilien Socchi @emiliensocchi.bsky.social Passionate security researcher and professional #EntraID #Azure #GCP #Kubernetes | Sharing technical tips and ideas
📍Oslo, Norway 🔗 emiliensocchi.io
malmoeb.bsky.social @malmoeb.bsky.social Head of Investigations at InfoGuard AG - dfir.ch
CyberRaiju @jaiminton.com An Aussie who does cyber things | Sr. Manager @Huntress.com | Former Principal @CrowdStrike.com and HuntressLabs | https://jaiminton.com | https://www.youtube.com/@cyberraiju/featured
Johnathan Norman @spoofy.bsky.social Just a guy trying to improve software quality. Currently securing WhatsApp, Before that Microsoft Windows and Edge.
👾repadmin/syncall🤖 @sncrblue.bsky.social 
Sebocat @sebocat.bsky.social #InfoSec #Bluehat
#SystemEngineer #SecurityEngineer 💻
#Deep #Tech #House #Techno 🎶
Mastodon: https://infosec.exchange/@Sebocat
Soundcloud: https://soundcloud.com/sebocat
Dominic Alvieri @alvierid.bsky.social Independent cybersecurity analyst and security researcher. X @AlvieriD
Windows Central @windowscentral.com THE news & reviews site for Microsoft, Windows, Xbox, AI, and PC gaming. Tips: tips@windowscentral.com | Not part of Microsoft.
MSXFAQ (Frank Carius) @msxfaq.de Running www.msxfaq.de. Microsoft 365, Microsoft Teams, Exchange, Active Directory, Speaker, MVP, MCM.
Sam Erde @samerde.day3bits.com Microsoft PowerShell MVP that is passionate about helping others succeed with Active Directory, Entra ID, Defender XDR, and Microsoft 365. Always learning! ✝️👨👩👧👦☕
OU=NC,OU=USA,DC=NA,DC=WORLD
GitHub.com/SamErde
Blog: day3bits.com
spencer @bsky.ethicalthreat.com 🛠️ Former Sysadmin, now Pentester | Microsoft MVP | Helping IT teams make their environment harder to attack
Pentesting -> SecurIT360
Podcast -> CyberThreatPOV
Active Directory Security Resources for IT Admins 👇
https://go.spenceralessi.com/adsecurity
Bluesky @bsky.app official Bluesky account (check username👆)
Bugs, feature requests, feedback: support@bsky.app