Tag Archives: Windows

Windows Subsystem for Linux is now Open Source

Posted on 2025-05-20 by guenni

[German]At the BUILD 2025 developer conference, Microsoft announced that it had released WSL (Windows Subsystem for Linux) as open source and is being celebrated by developers. The hope from Redmond is that software developers can now contribute to WSL and … Continue reading →

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Windows 10/11: Defender can be deactivated with a simple tool (Defendnot)

Posted on 2025-05-19 by guenni

[German]Microsoft has built an interface (API) into Windows 10 and Windows 11 that allows manufacturers of antivirus software to disable Microsoft Defender when they install it. Some people (including a blog reader) have now shown how to deactivate Windows Defender … Continue reading →

Posted in issue, Security, Software, Windows | Tagged , , , | 2 Comments

Windows: Bitlocker encryption via Bitpixie (CVE-2023-21563) leveraged

Posted on 2025-05-18 by guenni

[German] Advertising The Bitlocker encryption used by Microsoft for Windows for data storage devices can be bypassed by software via the Bitpixie vulnerability (CVE-2023-21563) if certain boundary conditions apply. A security researcher has shown how the master key can be … Continue reading →

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May 2025 patchday: Tenable assessment of vulnerabilities

Posted on 2025-05-17 by guenni

[German]On May 13, 2025, Microsoft released numerous security updates for Windows, Office and other products. I promptly provided a brief overview of the vulnerabilities addressed. Security provider Tenable subsequently sent me their assessment of the vulnerabilities, which I am posting … Continue reading →

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Out-of-band updates for Windows 11 24H2 LTSC and Windows Server 2008/R2 (May 2025)

Posted on 2025-05-17 by guenni

[German]A small addendum for administrators of Windows Server 2008/R2. There were out-of-band updates for these operating system versions on May 13, 2025 to close security gaps. And for Windows 11 24H2 Enterprise LTSC, Microsoft has probably also released a special … Continue reading →

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Why ISL Online: Critical factors when choosing a remote desktop solution

[Sponsored Post]In the rapidly evolving IT world, choosing the right remote desktop software is critical for organizations that value security, ease of use and reliability. One provider of secure remote access that has been on the market since 2001 is ISL Online, which presents some considerations for choosing such software below. More ...

Windows: Issues with Zebra label printer (May 2025)

Posted on 2025-05-14 by guenni

[German]A quick question for the blog readers who administer Zebra label printers. Have there been problems with the output under Windows for a few days? A blog reader who works as an IT supporter contacted me by e-mail on May … Continue reading →

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Patchday: Windows 10/11 Updates (May 13,  2025)

Posted on 2025-05-14 by guenni

[German]On May 13 (second Tuesday of the month, Patchday at Microsoft), Microsoft released cumulative updates for the still supported client operating system versions of Windows 10 and Windows 11. Here are some details about these updates, which are intended to … Continue reading →

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Microsoft Security Update Summary (May 13, 2025)

Posted on 2025-05-13 by guenni

[German]On May 13, Microsoft released security updates for Windows clients and servers, for Office – as well as for other products. The security updates eliminate 71 vulnerabilities (CVEs), seven of which were classified as 0-day. Five vulnerabilities have already been … Continue reading →

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Warning: iVentoy 1.0.2 installs obscure certificates and drivers

Posted on 2025-05-07 by guenni

[German]A short warning to blog readers who use the iVentoy tool to distribute operating system images via a network and a PXE server. There is currently a discussion that the tool (currently version 1.0.2) installs an insecure kernel driver and … Continue reading →

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WSUS/ConfigMgr: No Defender updates since May 2, 2025

Posted on 2025-05-06 by guenni

[German]A short note for administrators who distribute updates for Microsoft Defender via WSUS or ConfigMgr (MECM ). There was probably a problem at Microsoft, so that the update distribution has stalled since May 2, 2025, although updates are available from … Continue reading →

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