Tag Archives: Windows

Sysinternals Disk2vhd v2.02 released

Posted on 2021-10-31 by guenni

[German]A brief information for readers who occasionally need to transfer a Windows installation to a virtual machine. Microsoft has released the disk2vhd v2.02 tool in the free Sysinternals suite in October 2021. The tool lets you have a Windows installation … Continue reading →

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Windows WPBT vulnerability allows Rootkit installation

Posted on 2021-10-30 by guenni

[German]I would like to once again flush up a security issue that affects users of Windows systems. In September, it became known that a vulnerability in WPBT allows attackers to install a rootkit on Windows machines. There is virtually nothing … Continue reading →

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Local Privilege Escalation Vulnerability (0-day) in all Windows Versions

Posted on 2021-10-29 by guenni

[German]In all Windows versions, including Windows 11 and Windows Server 2022, there is an unpatched Local Privilege Escalation vulnerability. This should have been patched since August 2021, but the security update in question did not close the vulnerability completely. Fortunately, … Continue reading →

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Microsoft no longer signs Windows drivers for Process Hacker

Posted on 2021-10-23 by guenni

[German]Brief  information, which is already here with me since August 2021, but which I have not yet addressed in the blog. David Xanatos has pointed out to me that Microsoft is refusing to sign drivers for the new Process Hacker … Continue reading →

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Microsoft confirms Windows network printing issue after October 2021 updates

Posted on 2021-10-19 by guenni

[German]Since the release of the October 12, 2021 security updates, administrators have been complaining about network printing issues. Administrative permissions are required for every print operation – I had reported. Now Microsoft has confirmed this issue, but released the whole … 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 October 2021 Updates: PrintNightmare Status and Network Printing Issues

Posted on 2021-10-15 by guenni

[German]As of October 12, 2021, Microsoft has addressed new vulnerabilities in the environment of the security holes known as PrintNightmare via update. Therefore, a short look at the issue in question, which is still not off the table. In addition, … Continue reading →

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Patchday: Windows 10-Updates (October 12, 2021)

Posted on 2021-10-13 by guenni

[German]On October 12, 2021 (second Tuesday of the month, Patchday at Microsoft), various cumulative updates for the supported Windows 10 builds (from RTM version to the current version 21H1) were released. Here are some details about the respective patchday security … Continue reading →

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Microsoft Oktober 2021 Patchday (2021/10/12)

Posted on 2021-10-12 by guenni

[German]On October 12, 2021, Microsoft released security updates for Windows clients and servers, for Office, etc. – as well as for other products – released. A list of updates can be found on this Microsoft page. Details about the update … Continue reading →

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Let's Encrypt certificate trouble with Windows, Sophos UTM, macOS/iOS (2021/09/30)

Posted on 2021-09-30 by guenni

[German]As of September 30, 2021, some root certificates that Let's-Encrypt used to sign user certificates expired. This meant that certain devices or applications could no longer access websites or mail servers. I have seen cases with iOS 14/15 and macOS, … Continue reading →

Posted in ios, issue, macOS, Software, Windows | Tagged , , , , | 5 Comments

Tip: Windows PrintNightmare test tools for administrators

Posted on 2021-09-28 by guenni

[German]Administrators may be faced with the problem of testing their machine inventory to determine if individual installations are vulnerable to the PrintNightmare vulnerabilities in Windows. Furthermore, it may be necessary to remove or add printers. Someone did the work and … Continue reading →

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