CrowdStrike incident: sensor failure as a previously unknown side effect?

Posted on 2024-07-27 by guenni

Stop - Pixabay[German]A faulty update to the CrowdStrike Falcon software brought around 8.5 million Windows computers to a standstill on July 19, 2024. The incident is already considered to be the world's largest computer failure to date and is likely to have caused billions in damage. Since Friday, administrators have been struggling to repair the failed systems and "clean-up operations" are underway. A blog reader contacted me at the weekend because, as an administrator, he had noticed some side effects that had not yet been mentioned publicly. Even after the repair of the BlueScreen behavior, Falcon Sensor agents may no longer be able to work. I'll put together some information in the blog post.

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Windows 11 22H2/23H2: OOBE Update KB5041655

Posted on 2024-07-27 by guenni

WindowsMicrosoft has released the Out of Box Experience Update KB5041655 for Windows 11 22H2 and 23H2 on July 25, 2024. This update improves the out-of-box experience (OOBE) of Windows 11 during installation. This update only applies to the Windows 11 OOBE process and is only available when OOBE updates are installed during the installation of the operating system. This installation is automatic if an Internet connection is available during the Windows OOBE process. (via)

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Windows 11 23H2/22H2: Preview Update KB5040527 (July 25, 2024)

Posted on 2024-07-26 by guenni

Windows[German]Microsoft has released the optional cumulative (preview) update KB5040527 for Windows 11 version 22H2 and 23H2 on June 25, 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.
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Office 365: Teams connectors can now be used until December 2025

Posted on 2024-07-25 by guenni

[German]Brief information update for Microsoft Office 365 administrators who use the connector for Microsoft Teams. This was actually due to expire on August 15, 2024 and then stop working on October 1, 2024. After massive protests from customers, Microsoft wants to delay this end-of-life slightly to give customers a little more time to switch to alternative solutions. The exit for the Teams connectors will be postponed to December 2025 – as it was noticed here.

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iOS: No access to Microsoft 365 in the Edge browser for some users (July 24, 2024)

Posted on 2024-07-25 by guenni

[German]As of July 24, 2024, Microsoft has posted information in the Microsoft 365 admin dashboard that addresses resource issues that some iOS users are experiencing in the Edge browser. However, there is a workaround for this issue.

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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 ...

Microsoft confirms Bitlocker queries through Windows July 2024 updates

Posted on 2024-07-25 by guenni

Windows[German]On July 9, 2024, Microsoft released a series of security updates for Windows. For some users, this leads to a prompt for the Bitlocker recovery key appearing when booting. I had already reported on this for Windows 11. However, Microsoft has confirmed that the problem affects virtually all Windows clients and all Windows servers that have received security updates as of July 9, 2024. Here is an overview of the issue.

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FrostyGoop malware infects industrial control systems (OT)

Posted on 2024-07-25 by guenni

Sicherheit (Pexels, allgemeine Nutzung)[German]The Dragos OT Cyber Threat Intelligence team encountered FrostyGoop ICS malware targeting ICS/OT systems in April 2024. This malware can interact directly with Industrial Control Systems (ICS) in Operational Technology (OT) environments via the Modbus protocol, a standard ICS protocol used in all industry sectors and organizations worldwide. The malware was likely used in a cyberattack on a district heating company in Ukraine to shut down a city's heating systems.

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Windows 10 22H2 Preview Update KB5040525 (July 23, 2024)

Posted on 2024-07-24 by guenni

Windows[German]Microsoft has released an optional cumulative (preview) update KB5040525 for Windows 10 22H2 on July 23, 2024 (D-Week). This is intended to fix numerous bugs (including the WDAC problems or problems with printer redirects) in Windows 10 22H2. Below is an overview of these updates for Windows 10. Continue reading →

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Administrative template files (Microsoft 365, Office) July 2024

Posted on 2024-07-24 by guenni

[German]Microsoft has published updated administrative template files for Microsoft 365 including various Microsoft Office versions as of July 16, 2024. These can be used in corporate environments to manage functionality and settings via group policies.

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Review of the CrowdStrike incident, the biggest computer glitch of all time

Posted on 2024-07-24 by guenni

Stop - Pixabay[German]It is considered to be the world's biggest computer glitch to date, paralyzing 8.5 million Windows systems and causing billions in damage. In the meantime, the clean-up work, the finger-pointing and the "washing of hands in innocence" have begun. I would like to collect some more information as part of a review. From the extent of the impact, to recovery measures, to questions and answers that others are now asking.

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