Viktor Hedberg 🛡💻
@headburgh
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I do security stuff @Truesec • MVP • Father • My tweets are my own • He/him
Sweden
Joined June 2016
Azure Bastion CVE-2025-49752 👀 CVSS Score: 10/10 Affected: All Azure Bastion deployments prior to the security update released on November 20, 2025 https://t.co/MTpd2zaxeL
zeropath.com
This post provides a brief summary of CVE-2025-49752, a critical authentication bypass vulnerability in Azure Bastion. It covers technical details, affected versions, and vendor security history...
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Key things seen in ransomware incidents: 1) VPN does not require MFA 2) Standard User VPN access gives access to management interfaces 3) LDAP access leads to domain admin via: Passwords in description fields, kerberoasting and other common escalation points (but seriously the
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I'm just going to leave this here, as I keep seeing surprised faces when I tell people about Windows Hello multifactor unlock. Yes, you can enforce 2️⃣ factors to unlock your Windows machine! See for yourself. https://t.co/dQTMYHKkUe
learn.microsoft.com
Learn how to configure Windows Hello for Business multi-factor unlock by extending Windows Hello with trusted signals.
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🎉 A warm welcome to all the new MVPs! 🎉 You’ve joined a global community of passionate experts, builders, and changemakers who go above and beyond to share knowledge, support others, and drive innovation. Whether you’re leading user groups, writing code, creating content, or
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What's a red flag in IR 🚩? My colleague @mikael_nystrom takes you through some of the tools of the trade. Read more here: https://t.co/JS9rqnJDaO
truesec.com
Learn from Mikael Nyström: After a cyber incident, restore and repair systems - don’t rebuild from scratch. It’s faster and less disruptive.
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A series about red flags, what they are and why you need to care @Truesec @mikael_nystrom
truesec.com
Learn from Mikael Nyström: After a cyber incident, restore and repair systems - don’t rebuild from scratch. It’s faster and less disruptive.
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Restore and Repair – Don’t Build New After an Incident @Truesec
https://www.truesec.comhub/blog/restore-and-repair-dont-build-new-after-an-incident
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@DOGE Good find. Those licenses cost on average $500,000,000/year. That saved the country potentially hundreds of billions of dollars. Now the government can put that money to good use such as reintroducing lead to paint to keep the photon radioactive waves out of our brains
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Enhance your AppManagEvent 2025 visit by attending an exclusive in-person IT-Pro training from top experts like @samilaiho @PaulaCqure @mikael_nystrom @headburgh or @TimothyMangan – before and/or after the event! 🎟️ Bonus: Your training session includes a ticket to the event.
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⚡ Check out this new Microsoft Entra blog post 👇 Microsoft Entra PowerShell module now generally available https://t.co/VHNfraXmy2
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That's him. He's the one forcing us to change our passwords every 90 days.
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Hey, Entra ID admins. Do you have Passkey (FIDO2) enabled, and does your setting look like this? Early next year, Passkey in Authenticator will be enabled automatically. If that's okay, sit back and relax while your users become phishing-resistant. If not, please act now!
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Wheels up tomorrow morning, prepping for mine and @mikael_nystrom's Masterclass at @NICconf on Wednesday, and our respective sessions on Thursday. #Truesec #NICConf #PreventBreach #MinimizeImpact
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Pop quiz, which requirement providers can enforce MFA within Entra ID? #Azure Portal with 'request' & 'App requires MFA' will be next I guess (: https://t.co/h7LjU5WFrz
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Spent the last couple of days in Stockholm speaking at #Teamsdagen. Made new friends and met old ones as well. The event was a huge success, and kudos to the organizers for an awesome event!
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On Friday 4 of October it is time for the next MMUGSE virtual event! We have some great speakers joining us this time: @AhlbergNicklas @headburgh @ronnipedersen @jannik_reinhard @olsen96967
https://t.co/ycvVot7EQm
meetup.com
Välkomna till våran Meetup den 4/10 Denna gången har vi en fantastiskt line-up av sessioner och talare! **MMUGSE Agenda 4/10** **8:30-9:00 What is new in Endpoint Manageme
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The financially motivated cybercriminal group that Microsoft tracks as Storm-0501 has been observed exfiltrating data and deploying Embargo ransomware after moving laterally from on-premises to the cloud environment. https://t.co/U7uQseDxE8
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Understanding EVERY Token in Entra ID 🔎 Not all tokens are equal. There are many different types with different uses and benefits. In this blog, I break down each token and what they are used for and which tokens are the most "valuable" for an attacker to obtain. Full blog
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Microsoft Defender for Identity Expands to Entra Connect Server This includes new detections, new security recommendations, and a new activity type in the IdentityDirectoryEvents. Don't forget to configure you MDI gmsa account. #MDI #EntraID #Security
https://t.co/KCy9vE4J7k
techcommunity.microsoft.com
We are excited to announce a new Microsoft Defender for Identity sensor for Entra Connect servers. This addition is a significant step in our ongoing...
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