Tag Archives: Windows

Microsoft probably secretly fixes vulnerability in Defender under Windows

[German]Microsoft Defender attracted attention some time ago due to a vulnerability in Windows that allowed malware to query the folders left out by the antivirus. It now looks like Microsoft has quietly corrected this vulnerability, because administrator privileges are now … Continue reading

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Windows 10/11: Microsoft will fix performance issues (Feb. 2022)

[German]Windows 10 and Windows 11 are experiencing performance issues, especially when accessing storage media, as a result of the November 2021 updates. There are indications that Microsoft is working on eliminating these problems through updates. However, it is currently unclear … Continue reading

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Windows: Status of printing issues (a.o. Dymo Labelwriter) before Feb. 2022 patchday

[German]What is the status regarding Windows and printing problems due to security updates? In 2021, PrintNightmare kept the administrators very busy because printing suddenly stopped working after the update. In the last few days and weeks, I have received a … Continue reading

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Microsoft and the unfixed ReFS bug in Windows

[German]Microsoft's patchday is on February 8, 2022 again. However, those who hope that certain things will be fixed with the security updates on February 8 after the disaster with the January 2022 patchday might be disappointed. At least that probably … Continue reading

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Microsoft disables MSIX ms-appinstaller protocol handler in Windows (Feb. 2022)

[German]After ransomware like Emotet or BazarLoader abused the MSIX ms-appinstaller protocol handler, Microsoft has now reacted again. The entire MSIX ms-appinstaller protocol handler has been disabled in Windows for the time being – more or less as protection against Emotet, … 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 ...


Malicious CSV files can install BazarBackdoor

[German]Cyber criminals have found a way to abuse text-based CSV files in order to install BazarBackdoor malware on victims' systems. Security researchers probably came across this fact while monitoring a phishing campaign. The culprit is the ability to access the … Continue reading

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Windows 10/11: Systems required 2-6 hours of update connectivity for successful updates

[German]Microsoft has just released information that affects Windows 10 and Windows 11, as well as their server counterparts. In order to successfully install updates on these machines, they apparently have to be accessible online via the Internet for a longer … Continue reading

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Windows 10: Proof of Concept for vulnerability CVE-2022-21882

[German]In January 2022, Microsoft closed the CVE-2022-21882 (Win32k Privilege Escalation) vulnerability in Windows 10/11 and Windows Server 20H2 on Patchday. However, the patch was not installed everywhere because of the many collateral damages. Now a public proof of concept (PoC) … Continue reading

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Microsoft Microsoft Security Update Revisions (Jan. 27, 2022)

[German]Microsoft released last night an an email about various revisions to its security advisories. It is about a Windows DCOM server vulnerability and Defender for IoT vulnerabilities. However, everything is only of an informal nature, Microsoft has only adjusted the … Continue reading

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Do Windows updates bricks Lenovo computers?(Jan. 2022)

[German]Today I have a quick question for users and service providers who own or support Lenovo devices. I have seen reports that these devices (especially in the consumer sector) suddenly no longer boot after a Windows update (possibly January 2022 … Continue reading

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