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Yearly Archives: 2025
Windows design flaw allows disabling user group policies since over 25 years
[German]A somewhat unconventional design decision by the Windows developers makes it possible for attackers to locally override group policies for users (user group policies). Normal user rights and a dll file shipped with Windows are sufficient. Microsoft has no plans … Continue reading
Windows 11 24H2: PowerShell AppLocker/WDAC Script Enforcement was broken for months
[German]On this occasion, I'll take up a topic that came to my attention at the beginning of May 2025. Administrators noticed that the PowerShell Script Enforcement in AppLocker/WDAC had been broken for months. Although this should now be fixed with … Continue reading
Posted in Security, Windows
Tagged AppLocker, Powershell, Security, WDAC, Windows 11 24H2
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Windows 11 22H2 / 23H2: Update KB5058405 causes BSOD 0xc0000098
[German]Another addendum from the May 2025 patchday. The update KB5058405 rolled out on May 13, 2025 for Windows 11 22H2 / 23H2 leads to a blue screen with the error code 0xc0000098 on some systems. The system hangs in recovery … Continue reading
Windows 10 end of support: The "End of 10" campaign to switch to Linux
[German]On October 14, 2025, Microsoft will end support for Windows 10 22H2 with the delivery of the last security updates. Enthusiasts want to use the end of Windows 10 in the "End of 10" campaign to persuade users to switch … Continue reading
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 ...
WhatsApp will no longer work on these devices from June 1, 2025
[German]Brief information for WhatsApp users among our readership with older devices. The developers are cutting the ability to run WhatsApp on certain older devices running iOS. This will end on June 1, 2025.
Microsoft Authenticator: Warning to safe passwords before the password feature will be disabled
[German]Microsoft Authenticator is a free app that allows you to log in to online accounts without using a password. Instead, options such as fingerprint, facial recognition or PIN are used. The app could also store passwords. However, this function will … Continue reading
Phishing with appointment invitations targets Office 365 accounts
[German]I'm pick up on a topic that is somehow already known in this form. Owners of Microsoft Office 365 accounts receive appointment invitations that claim that an action needs to be carried out. But in the background is a phisher … Continue reading
Microsoft Phishing with MS 365 tenants?
[German]I'd like to discuss an email I allegedly received from Microsoft regarding an "expiring tenant". Something needs to be ordered because the tenant, which has been inactive for more than 200 days, will otherwise expire. Is it a legitimate mail … Continue reading
BadSuccessor: Read up on the dMSA AD privilege increase issue
[German]Recently, security researchers have pointed out a potential vulnerability lurking in the delegated Managed Service Accounts (dMSAs) newly introduced in Windows Server 2025. By abusing dMSAs, attackers can take over any principal in the domain. A security researcher is critical … Continue reading
Serious connection issue on ports of the HP Aruba/HP 1930 switch
[German]I'm going to post an issue here in the blog that came to my attention recently. It concerns the HP Aruba/HP 1930 switch, where there may be connection issues. If I'm interpreting it correctly, this is probably a software error … Continue reading