FAQ and script for secure boot protection against CVE-2023-24932 (Black Lotus)

Posted on 2025-03-03 by guenni

Windows[German]Microsoft has been trying for some time to secure the Secure Boot in Windows against the Black Lotus Boot Kit vulnerability CVE-2023-24932. Below is a short summary or FAQ, including the certificate to be exchanged in the boot media. And a reader has sent me his script for exchanging certificates.

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Does the download of Windows VMs for testing still work for you?

Posted on 2025-03-02 by guenni

Windows[German]Microsoft has been offering virtual machines with Windows for developers to test for years. These VMs contain a version of Windows that can run for 90 days. I have now received a note from a reader that the content is no longer available "due to technical difficulties" since October 2024.

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CoPilot offered in Microsoft 365 and personalized Windows offers

Posted on 2025-03-02 by guenni

Windows[German]Microsoft seems to be working again on making its users (un)happy with unsolicited special offers. A German blog reader sent me a screenshot in which he was offered to set up Windows for personalized offers. And another German blog reader has been surprised that Microsoft CoPilot is suddenly being installed on his system as part of Microsoft 365.

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Vulnerabilities in DigiEver DVRs are being exploited, no patch available

Posted on 2025-03-01 by guenni

Sicherheit (Pexels, allgemeine Nutzung)[German]DigiEver from Taiwan offers IP video surveillance based on Linux. Security researchers from TXOne discovered RCE vulnerabilities in DigiEver products back in July 2023. The provider does not provide updates because the devices have reached the end of support. Since December 2024, it has been observed that a botnet called Hail Cock has exploited one of these bugs, as the vulnerability is still open. Users must therefore react.

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Fraud scam for WhatsApp contact requests

Posted on 2025-02-28 by guenni

[German]Brief information for WhatsApp users among our readership (or to pass on to these users). The Lower Saxony Criminal Police Office (LKA) is warning of a new scam targeting WhatsApp users in Dec. 2024 and asking them to check their chat.

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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 kills Skype in May 2025; Teams to be the successor

Posted on 2025-02-28 by guenni

Skype[German]Brief information for users of Microsoft's Skype service. There is a report from XDA-Developers that Microsoft will shut down the Skype service in May 2025. Users should then use Teams as a successor.

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WhatsApp down (Feb. 28, 2025)

Posted on 2025-02-28 by guenni

[German]Brief information for WhatsApp users among the readership (or to pass on to these users). The meta service seems to be experiencing a major outage.

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Vulnerability CVE-2025-0514 in LibreOffice – Fix with LibreOffice 24.8.5

Posted on 2025-02-28 by guenni

[German]The LibreOffice developers have released LibreOffice 24.8.5 to close a link vulnerability CVE-2025-0514. The vulnerability could allow links to be abused.

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Outlook Classic: Microsoft fixes drag & drop bug

Posted on 2025-02-28 by guenni

[German]Microsoft has published a support article stating that a bug in the drag & drop functionality of Outlook Classic has been fixed. The bug crept in via the January 2025 update and probably occurred under Windows 11 24H2.

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Windows 11 24H2: Performance issues with Intel Core Ultra 200 CPUs – Feb. 2025 update with side effects

Posted on 2025-02-28 by guenni

Windows[German]The next blog reader with performance problems under Windows 11 24H2 has reached me. The reader set up a system with an Intel Core Ultra 9 285K CPU on an ASRock Z890 Pro RS mainboard and installed Windows 11 24H2. Then he ran into massive problems. He has since been able to verify the behavior on a notebook. In addition, there is another reader message reporting unsightly effects of the February 2025 update under Windows 11.

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