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Christopher Brumm

@cbrhh.bsky.social
77 followers 66 following 11 posts
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Reposted by Christopher Brumm
Merill Fernando 💚 @merill.net · 10/01/2026
🚨 Global Secure Access ≠ “replace VPN and done.” I just published a new podcast with Chris Brum where we break down real-world Microsoft GSA deployments 🧵👇
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Reposted by Christopher Brumm
Fabian Bader @fabian.bader.cloud · 02/01/2026
#ConsentFix is a great way for attackers to work around some protective layers but not all. @naunheim.cloud , @cbrhh.bsky.social and I wrote a blog post on detection and mitigations. Hope you find it useful and can adapt it to your environment. www.glueckkanja.com/de/posts/202...
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Christopher Brumm @cbrhh.bsky.social · 17/01/2025
Unfortunately, that was only a matter of time! This video combines two of the most dangerous tools at the moment associated with phishing - and it's surprisingly simple! www.youtube.com/watch?v=Dp1z... Do we have defense options? Read on 👇
youtube.com
TokenSmith Meets Evilginx: Token Theft Combined with Entra Conditional Access Bypass
YouTube video by SYNACK Time
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Christopher Brumm @cbrhh.bsky.social · 10/01/2025
Global Secure Access and Token Replay - a thread... Did you know that "Microsoft Entra Internet Access for Microsoft" is included in your Entra ID P1 license? -> learn.microsoft.com/en-us/entra/... 1/4
learn.microsoft.com
What is Global Secure Access? - Global Secure Access
Learn how Microsoft's Security Service Edge (SSE) solution, Global Secure Access, provides network access control and visibility to users and devices inside and outside a traditional office.
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Reposted by Christopher Brumm
Fabian Bader @fabian.bader.cloud · 09/01/2025
gist.github.com/CloudProtect... This one does a very good job because it considers if the device is joined/registered any only looks at the AADGraph. For this resource its not normal that a non-registered device is accessing it
gist.github.com
Use Defender XDR advanced hunting query capabilities to detect possible device compliance bypass attacks for Entra ID Conditional Access according to the vulnerability disclosed by Yuya Chudo (https:/...
Use Defender XDR advanced hunting query capabilities to detect possible device compliance bypass attacks for Entra ID Conditional Access according to the vulnerability disclosed by Yuya Chudo (http...
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Reposted by Christopher Brumm
Fabian Bader @fabian.bader.cloud · 19/12/2024
I hope every SOC is monitoring incoming emails for signs of anomalous incoming mail amounts to your users. If this happens the execution of any RMM by the target user is a high alert you should follow up on.
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Reposted by Christopher Brumm
Fabian Bader @fabian.bader.cloud · 19/12/2024
🔊 @cbrhh and I will be part of this year's Experts Live DK with our session: The state of passkey in 2025 #ELDK2025 conference.expertsli...
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Christopher Brumm @cbrhh.bsky.social · 19/12/2024
Great news! 🎉 I have the opportunity to speak in March at the #eldk2025 in Copenhagen! I will do a comparison of Entra Private Access and a classic VPN solution and show why Global Secure Access is much closer to my understanding of Zero Trust Network Access. Hope to see you there!
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