Reminder: Changes to Certificate-Based Authentication for Domain Controllers in April 2023

Posted on 2023-03-05 by guenni

Windows[German]It is still a few weeks until the April 2023 patchday. However, I would like to remind administrators who are responsible for updating Windows Domain Controllers about a topic in the Domain Controller area. It is about the fact that Microsoft has adjusted the certificate-based authentication for Domain Controllers (DC) via update in 2023 and disabled the possibility to disable it (in case of occurring problems) as of April 11, 2023.

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Microsofts FSLogix: Hotfix 1 (2.9.8440.42104) released for buggy v2210

Posted on 2023-03-04 by guenni

Update[German]Brief note for troubled administrators in companies who use FSLogix and are annoyed by the numerous bugs in version 2210. Microsoft has now released FSLogix 2210 Hotfix 1 (2.9.8440.42104). This is supposed to fix the numerous problems of version 2210. Here is some information about what it is all about in the end.

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LibreOffice can't start after ugrade to Linux Mint 21.1

Posted on 2023-03-04 by guenni

[German]A short post from the Linux world, although I'm not yet sure if and how widespread the problem is. A blog reader contacted me last Friday and complained that his LibreOffice wouldn't start after he upgraded a Linux Mint system to version 21.1. I did a little research.

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Review of the VMware ESXi server cyberdebacle (Feb. 2023)

Posted on 2023-03-04 by guenni

Sicherheit (Pexels, allgemeine Nutzung)[German]A brief flashback to February 2023 – since the beginning of the year, numerous VMware ESXi servers have been hijacked via a known vulnerability that has long since been closed. This VMware ESXi vulnerability has a huge threat potential and there are probably still thousands of unpatched systems. Here is a brief overview again.

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Windows security updates against Intel silicon vulnerabilities (March 2, 2023)

Posted on 2023-03-03 by guenni

Windows[German]Microsoft has released special updates for Windows versions still in support on March 2, 2023. These are supposed to fix vulnerabilities (Speculative Execution Control and side-channel attacks) in Intel's CPUs. These vulnerabilities in Intel processors have been known since last summer. The special updates are also only available for manual download from the Microsoft Update Catalog.

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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: Unified Update Platform will get active end of March 2023, prepare WSUS

Posted on 2023-03-03 by guenni

Windows[English]Starting March 28, 2023, Microsoft will arm its Unified Update Platform (UUP) after a lengthy preview period for Windows 11 version 22H2. This is intended to bring the power of Windows Update and Windows Update for Business to on-premises Windows clients. Microsoft promises to simplify update deployment via WSUS (Windows Server Update Services) or Microsoft Configuration Manager. Here is some information on the topic.

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Windows 10/11: Using Windows Update for Business and WSUS together

Posted on 2023-03-02 by guenni

Windows[German]Brief information for administrators in enterprise environments. Microsoft has published an article as of February 28, 2023 with notes on what has changed when scanning for updates on clients running Windows 10 and Windows 11 and how the machines scan for new patches using either Windows Update for Business (WUfB) and WSUS. DualScan is dead according to this and administrators need to watch what group policies are set.

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New hints about Windows 12 from Intel

Posted on 2023-03-02 by guenni

Windows[German]Microsoft has just released its Moments 2 update for Windows 11 22H2 (Windows 11 22H2: Moments 2 update KB5022913 brings many new features) – which was more or less a disguised advertisement for Edge and Bing with ChatGPT beta functionalities. Behind the scenes, however, they are working on a successor, which will probably come to the people in the second half of 2024 as Windows 12. After I reported hints about Windows 12 before, there is now an (unintentional) hint from Intel.

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Windows Remote Desktop client (MSRDC) Version 1.2.4065 (Insider Preview) released

Posted on 2023-03-02 by guenni

WindowsBrief note for people who are in the Windows Insider Preview program. Microsoft has released version 1.2.4065 of the Windows Desktop Client (MSRDC) for Azure Virtual Desktop (AVD) to Insiders as of February 28, 2023. The production version is 1.2.3918, dated February 7, 2023, which is the last version of the Remote Desktop Client with support for Windows 7.

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BlackLotus UEFI bootkit bypasses Secure Boot in Windows 11

Posted on 2023-03-01 by guenni

Windows[German]Security researchers from ESET have discovered a malware in the wild that hijacks the UEFI and has been christened BlackLotus. BlackLotus is believed to be the first UEFI bootkit malware in the wild that can bypass Secure Boot on Windows 11. Malware can then also disable Defender or Bitlocker and HVCI in Windows. So much for the highly praised security with UEFI, Secure Boot & Co. under Windows 10/11.

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