Tag Archives: Windows

Windows PCs at risk from WhatsApp flaw (CVE-2025-30401)

[German]A vulnerability in WhatsApp for Windows (before version 2.2450.6) puts Windows computers at risk. The vulnerability could allow attackers to execute malicious code via WhatsApp message attachments on Windows.

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Windows: Kerberos PAC Validation Protocol in enforcement mode since April 8, 2025

[German]Quick reminder for administrators, in case anyone hasn't noticed. On the April 2025 patchday (8.4.2025), the "enforcement phase" for the hardening of the Kerberos protocol regarding the Kerberos PAC Validation Protocol came into force. This removed certain modes that could … Continue reading

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Windows vulnerability CVE-2025-29824 attacked; install April 2025 updates

[German]There is a use-after-free vulnerability CVE-2025-29824 in Windows, which has probably already been exploited by ransomware groups. Microsoft has released security updates for April 2025 that also close this vulnerability. Users and administrators should therefore install the April 2025 updates … Continue reading

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Microsoft Security Update Summary (April 8, 2025)

[Germany]Microsoft released security updates for Windows clients and servers, Office and other products on April 8, 2025. The security updates eliminate 121 vulnerabilities (CVEs), one of which was classified as 0-day. This vulnerability has already been attacked. Below is a … Continue reading

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Driver synchronization in WSUS does not end in April 2025

[German]Small addendum to the never-ending topic "Microsoft will end "driver synchronization in WSUS in April 2025". As befits April, Microsoft has announced "the retreat from the retreat". The WSUS can still update drivers for Windows in the future (until further … Continue reading

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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 Update for Business is now Windows Update client policies

[German]Microsoft has renamed its "Windows Update for Business". This Windows feature operates now under the term "Windows Update client policies". Microsoft announced this in an article on the topic of "Windows Autopatch" on March 31, 2025. Here is some information … Continue reading

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Operating system/Windows share (end of March 2025); Windows 11 jumps

[German]We have April 2025 and Statcounter's figures on operating system distribution on the desktop are available again for March 2025. Since Windows 10 will no longer be supported in October 2025, many users will only be able to use Windows … Continue reading

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Windows shortcut exploit used by state hackers as a 0-day since 2017

[German]Security researchers from the Trend Micro Zero Day Initiative (ZDI) point to a 0-day vulnerability ( ZDI-CAN-25373) in Windows, which has probably been exploited by 11 state-supported hacker groups from North Korea, Iran, Russia and China since 2017. Microsoft rated … Continue reading

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Microsoft retires the Remote Desktop app as of May 27, 2025

[German]Brief information for users who use the Remote Desktop app for Windows (e.g. because the RDP connections do not work). It has just been announced that Microsoft will discontinue the Remote Desktop app for Windows on May 27, 2025. It … Continue reading

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Microsoft Security Update Summary (March 11, 2025)

[German]Microsoft released security updates for Windows clients and servers, Office and other products on March 11, 2025. The security updates eliminate 56 vulnerabilities (CVEs), seven of which were classified as 0-day. Six vulnerabilities are already under attack. Below is a … Continue reading

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