[German]An addendum from April 8, 2025: Microsoft also released various updates for the Windows RE environment for Windows 10 on this date. Further updates for Windows 10 make improvements to the Windows Setup binaries or all files used by Setup for feature updates in Windows 10.
Microsoft has released the Dynamic Update KB5055671 (Safe OS Dynamic Update) for Windows 11 24H2 and Windows Server 2025 on April 8, 2025. This update is available via Windows Update and improves the Windows Recovery Environment (Win RE) in Windows 11 version 24H2 and Windows Server 2025.
Short addendum (was offline for a while): Microsoft has released the Dynamic Update KB5056789 for Windows 11 22H2/23H2 on April 8, 2025. This update is available via Windows Update and improves the Windows Recovery Environment (Win RE) in Windows 11 version 22H2 and Windows 11 version 23H2.
If anyone is using Windows Autopilot and getting a TPM check error on new 2025 PCs, this is a known bug that Microsoft is working on.
Quick reminder for administrators who manage devices via Microsoft Intune. Microsoft is changing the URLs for the endpoint with Windows, Mac and Android. Adjustments are required by the end of April 2025.
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[German]At the end of March 2025, Microsoft announced that Microsoft Entra ID will no longer support service principal-less authentication from March 2026. Microsoft Entra ID will then block authentication for multi-tenant applications that do not have an enterprise application registration in the resource tenant.
[German]A small addendum on the subject of Android security. Some time ago, cheap Android smartphones were once again found with the Triada malware pre-installed. The Remote Access Trojan (RAT) extracts personal data. The campaign mainly affected Russian victims, as Kasperski announced. In addition, a stalker ware app was found that requires a password for uninstallation.
[German]In future, Microsoft will specify new requirements for sending bulk emails in Outlook. For domains that send more than 5,000 emails per day, Outlook will soon require compliance with SPF, DKIM and DMARC. Non-compliant messages will initially be sent to junk. If the issues remain unresolved, they may eventually be rejected.
[German]A vulnerability in WhatsApp for Windows (before version 2.2450.6) puts Windows computers at risk. The vulnerability could allow attackers to execute malicious code via WhatsApp message attachments on Windows.
[German]Quick reminder for administrators, in case anyone hasn't noticed. On the April 2025 patchday (8.4.2025), the "enforcement phase" for the hardening of the Kerberos protocol regarding the Kerberos PAC Validation Protocol came into force. This removed certain modes that could still be activated via registry.
MVP:
2013 – 2016
WIMVP:
2017 – 2020
