[German]Brief note to readers regarding an unfortunate development at SonicWall. There was a recent incident in which backup files of the firewall configuration were exposed. While it was initially reported that only a few accounts were affected, it has now been announced that all accounts using cloud backup are affected. Attackers were able to read the configuration information.
[German]Quick question for blog readers who are upgrading their machines to Windows 11 25H2: Are you getting a warning that there are NVMe SSD issues? I have received information that NVMe SSDs from WD and Sandisk are causing problems when upgrading to Windows 11 25H2 and that users are being warned.
[German]There are indications that local user accounts in Windows 11 will no longer be able to be set up in the future, or only with considerable effort during setup. In the latest Insider Preview Build 26220.6772 (KB5065797) from October 6, 2025, Microsoft announced that the commands for setting up local user accounts during setup will be removed.
[German]Brief information for administrators of Microsoft Cloud services. If someone cannot access the Microsoft Admin Center, it is not your fault. Since around 10:30 a.m., the Microsoft Admin Center has been down globally because a certificate expired. This comes after Microsoft 365 experienced issues yesterday (see Microsoft 365: Outage blocks Teams and Exchange Online (Oct. 8, 2025)).
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[German]There are two medium-score vulnerabilities in CrowdStrike Falcon Sensors for Windows that have been patched by the manufacturer via an update. A discussion is currently raging because CrowdStrike refers to this as an "issue," while security researchers refer to it as "closing vulnerabilities."
[German]Yesterday noon / evening (Central European Time), October 8, 2025, there was a disruption to Microsoft 365 services. This resulted in users experiencing problems accessing Microsoft Teams and Exchange Online features. As the disruption occurred late in the evening, users in Europe were likely to have been less affected. After just under two hours, Microsoft managed to resolve the cause of the disruption.
[German]Another topic that I came across yesterday on the web. Major electronics distributor Avnet has confirmed that there has been a partial data leak in the EMEA region. However, third parties would not be able to use the data as it is "unreadable." An attacker claims to have stolen 1.3 terabytes of compressed data, including personal data in plain text.
[German]A brief update from the end of September 2025. Microsoft has released two updates for setup and recovery for Windows 11 24H2 and Windows Server 2025. There is a dynamic update, KB5066683, which can be downloaded during the setup of Windows 11. And there is a recovery update, KB5066687, for Windows 11 and Windows Server 2025.
[German]The Arduino electronics platform is to be acquired by processor manufacturer Qualcomm for an undisclosed sum, with the brand name remaining unchanged. At the same time, new boards have been announced.
MVP:
2013 – 2016
WIMVP:
2017 – 2020
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