Netherlands: Data center failure "grounds" Eindhoven Airport and other authorities

Posted on 2024-08-28 by guenni

Stop - Pixabay[German]In the Netherlands, a network malfunction in the data center of the Dutch Ministry of Defense have had drastical results. As a result, several Dutch authorities wasn't able to use their IT systems anymore. And even more serious: Eindhoven Airport was down for several hours on August 28, 2024. I immediately thought "was that a cyberattack" – but from what I know, this has been denied. Now the malfunction is fixed and everything is back in operation.

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Windows 11 23H2/22H2: Preview Update KB5041587 (August 27, 2024)

Posted on 2024-08-28 by guenni

Windows[German]Microsoft has released the optional cumulative (preview) update KB5041587 for Windows 11 version 22H2 and 23H2 on August 27, 2024. This is an optional update whose fixes will be generally rolled out in the following month. For Windows 11 22H2, only the Education and Enterprise versions will receive the update. A new feature is a share function with Android, which will be rolled out in stages. Continue reading →

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Review of HP Probooks 445 G7 and 455 G7 bricked with BIOS update

Posted on 2024-08-27 by guenni

[German]Hewlett Packard (HP) has released a broken BIOS version 01.17.00 that turns notebooks of the HP Probook 445 G7 and 455 G7 models from 2020 into expensive paperweights. An affected reader has subsequently contacted us again and described some advice on how to return the broken devices to the manufacturer for repair.

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Phishing campaign targets Wise users (August 2024)

Posted on 2024-08-25 by guenni

Sicherheit (Pexels, allgemeine Nutzung)[German]Brief information for Wise account holders, which I'm posting here on the blog as a precaution. There seems to be a phishing campaign targeting Wise users at the moment. I've noticed that my SPAM folder has been flooded with corresponding emails over the last few days. I'll briefly address the issue below.

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Windows 11 (22H2 – 23H2): Update KB5041585 causes performance problems

Posted on 2024-08-24 by guenni

Windows[German]Microsoft has fixed some security issues with the August 2024 update KB5041585 for Windows 11 (version 22H2 – 23H2). Under Windows 11, however, systems can suddenly become very slow and CPU utilization can increase. Microsoft has now been informed about the problem. The remedy is to uninstall the update or deactivate the flow control (Control Flow Guard, CFG) in Defender.

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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 Server 2019: Microsoft confirms and fixes performance issues with update KB5041578

Posted on 2024-08-23 by guenni

Windows[German]Small addendum regarding Windows Server 2019 and problems with the August 2024 patchday. Microsoft has now confirmed the performance problems caused by cumulative update KB5041578 for Windows 10 Enterprise 2019 LTSC and Windows Server 2019 that I mentioned in the blog. Furthermore, a Known Issues Rollback (KIR) has been released to remove the fix causing the issue. I will extract the relevant information in a separate blog post.

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Microsoft on the "decommissioning"; of Microsoft Exchange 2016

Posted on 2024-08-23 by guenni

Exchange Logo[German]A short note for administrators of Microsoft Exchange Server 2016: Both Microsoft Exchange 2016 and Microsoft Exchange 2019 will reach the end of support in October 2025. Microsoft has published a Techcommunity article with information on "decommissioning Microsoft Exchange 2016" in an environment with Microsoft Exchange 2019. Here a few details and thoughts about that.

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Microsoft responds to Linux boot bricked by Windows August 2024 update

Posted on 2024-08-22 by guenni

[German]The August 2024 updates for Windows have caused collateral damage for Linux users. By switching the boot mechanism to Secure Boot Advanced Targeting (SBAT), the Linux boot loader refused to start on dual-boot systems following the update installation. Microsoft has now commented on the reasons and tried to explain the whole thing.

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QNAP: Released QTS 5.2 with Security Center

Posted on 2024-08-22 by guenni

[German]Vendor QNAP has released its QTS 5.2 operating system for NAS drives on August 21, 2024. One new feature is the Security Center, which actively monitors file activity and is designed to ward off threats from encrypting ransomware. The improved system security and support for TCG-Ruby Self-Encrypting Drives (SED) also increase data protection.

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Again issues with CrowdStrike (August 22, 2024)

Posted on 2024-08-22 by guenni

Stop - Pixabay[German]Brief information: I have received today information that the vendor CrowdStrike with its Flacon security solution has been causing issues again – since around 11:00 a.m. (CET) today, August 22, 2024. The reader reported issues with both the single sign-on (SSO) and the hybrid join. There are also performance problems under Windows when the CrowdStrike Falcon solution is running with a cloud connection. Here is some information about what I have.

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