Windows 10 Insider Preview Build 18945 (20H1) released

Microsoft has released Windows 10 Insider Preview Build 18945 (from development branch 20H1) for Windows Insider in Fast Ring. The announcement with details about new features/changes and bugs can be found in the Windows Blog.

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Windows and the effectiveness of 0-day exploits

How critical are unpatched vulnerabilities (0-day exploits) in their impact on the latest version of Windows? I've been able to get an interesting piece of information that indicates the trend since 2015.

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Ransomware addressing QNAP-/Synology NAS systems

[German]Currently there is a warning from NAS vendors like QNAP and Synology. These have increasingly detected attacks on their systems via brute force or attempts to exploit exploits. If successful, the drives are encrypted using Ransomware.

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Happy Sysadmin day 2019

On the last Friday in July (today July 26, 2019) is Sysadmin-Day, on which system administrators all over the world are celebrated. This memorial day was invented by system administrator Ted Kekatos and has been held since July 28, 2000.

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Windows 10 V1903: Upgrade blocker Intel RST & MIT Kerberos

[German]Systems that have certain versions of the Intel® Rapid Storage Technology (Intel® RST) drivers installed cannot be updated to the Windows 10 May 2019 Update. Microsoft has set an upgrade blockade. And for machines in a domain, there are boot issues with MIT Kerberos when installing the May update (KB4497935).

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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 ...


WSUS 3.2.7600.307 can’t verify PSF files

[German]A German blog reader contacted me last week and pointed out a problem related to WSUS. His WSUS 3.2.7600.307 can no longer check PSF files. Here is some information about this topic.

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Windows Server 2008/R2: Microsoft explains In-place upgrade

[German]In a blog post, Microsoft explained the complex approach of in-place upgrading of a Windows Server 2008/R2 to successor systems. It's not all that easy – and as an addendum, I need to say, that some advices given by Microsoft are standing in contradiction to what experienced administrators will do.

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Windows 10 V1903 Update KB4505903 (07/26/2019)

[German]Microsoft has released the KB4505903 cumulative update on June 26, 2019 for the Windows 10 May 2019 Update (Versions 1903) after an extensive testing period with Windows Insiders. Remark: The update has been released accidentially on 07/25/2019 via Microsoft Update Catalog and has then been pulled. Now it's available and documented.

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Vulnereability CVE-2019-12815 in ProFTPD FTP Server

The open source FTP server ProFTPD is vulnerable up to version to 1.3.5b. CVE-2019-12815allows the execution of arbitrary program code with the rights of the service.

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CertBUND warns about a bzip2 vulnerability

German CertBUND warns here about he vulnerability CVE-2019-12900 in the open source bzip2 (versions <= 1.0.6), which is used in Ubuntu Linux, SUSE Linux. The vulnerability allows execution of arbitrary program code with the rights of the service. SUSE has released a security update for bzip2.

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