Follow-up on security incident at Collins Aerospace that interrupts airports

Posted on 2025-09-25 by guenni

Sicherheit (Pexels, allgemeine Nutzung)[German]On the evening of September 19, 2025 (Friday), there was a ransomware attack on the service provider Collins Aerospace, which operates, among other things, check-in systems for airports. As a result, numerous flights were canceled over the weekend (in Europe – and in other parts of the world), and the IT disruptions at the service provider continue to this day. Here is a brief review of what went wrong and what is still wrong. And there has been an arrest in connection with this incident. And there is a clue as to the type of ransomware used.

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Windows 11 23H2: SMBv1 bug fixed by update KB5065790

Posted on 2025-09-24 by guenni

Windows[German]After installing the security updates for Windows 10 and Windows 11 (and also some Server versions) released on September 9, 2025, a problem with accessing SMBv1 network shares occurs for users. As of September 23, 2025, Microsoft has fixed this bug, at least with the preview update KB5065790 for Windows 11 23H2.

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Windows 10 22H2/Windows 11 23H2-25H2: Preview Updates (September 23/25/29, 2025)

Posted on 2025-09-24 by guenni

Windows[German]Microsoft released the optional cumulative (preview) update KB5065790 for Windows 11 23H2 on September 23, 2025. For Windows 10 22H2, the preview update KB5066198 was not released until September 25, 2025. The preview update KB5065789 for Windows 11 24H2/25H2 was released on September 29, 2025. These preview updates contain fixes that can be tested and then rolled out generally as fixes in the following month. This will eliminate the SMBv1 bug.

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US secret service dismantles SIM server network threatening New York's mobile networks

Posted on 2025-09-24 by guenni

Sicherheit (Pexels, allgemeine Nutzung)[German]The US Secret Service has dismantled a secret network consisting of over 300 SIM servers with hundreds of SIM cards scattered across New York. These SIM servers could have overloaded the mobile phone stations in New York, where the United Nations is located, in the event of an attack.

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Windows 11 25H2: ISO installation image and enablement update available

Posted on 2025-09-24 by guenni

Windows[German]The feature update Windows 11 Version 25H2, expected in fall 2025, has not yet been officially announced by Microsoft. However, the ISO files with the installation media are apparently available on Microsoft servers. The enablement update, which allows Windows 11 24H2 to be upgraded to Windows 11 25H2, is also already "available" on the internet. There are no new features, but WMIC has been removed.

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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 11 24H2: Out-of-Band-Update KB5068221

Posted on 2025-09-23 by guenni

Windows[German]Microsoft has released an out-of-band update for Windows 11 24H2 (as well as the yet-to-be-released Windows 11 25H2) effective September 22, 2025. This out-of-band update fixes a bug in App-V virtualization compatibility that affects Microsoft Office applications. Here are a few details.

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Windows 11 24H2: Camera bug fixed; new problem with DRM media playback

Posted on 2025-09-23 by guenni

Windows[German]Brief update from the end of last week. Microsoft has announced that it has finally fixed a camera bug (existing since 2024) that caused apps to freeze. However, after installing the August 2025 Preview Update (and subsequent updates), some apps will no longer be able to display or record live TV or play content protected by Digital Rights Management (DRM).

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Running Windows 10 and Office 2016/2019 securely after October 2025 – Part 2

Posted on 2025-09-23 by guenni

Update[German]n Part 1, I mentioned that Windows 10 22H2, Microsoft Office 2016, and Microsoft Office 2019 will no longer be supported as of October 14, 2025. In Part 2, I would like to discuss the implications and also highlight the options available to private individuals and small businesses to continue operating this combination securely for some time to come. I will also take a look at Windows 10 Enterprise LTSC.

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Microsoft will train AI with your LinkedIn content starting in November 2025

Posted on 2025-09-22 by guenni

Copilot[German]Brief information for users of LinkedIn, which has been part of Microsoft for several years. Starting November 3, 2025, Microsoft will use members' data through its AI "to improve their content generation." So if you are a LinkedIn member, you should urgently choose the opt-out option.

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Fortra GoAnywhere MFT: Critical vulnerability CVE-2025-10035

Posted on 2025-09-22 by guenni

Sicherheit (Pexels, allgemeine Nutzung)[German]A vulnerability classified as critical was discovered in Fortra's GoAnywhere MFT file transfer software on September 11, 2025. The manufacturer has since released an update to eliminate the vulnerability and make file transfer secure again. Users should react immediately an shall make sure, that the Admin console isn't reachable from internet.

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