Tag Archives: Windows

Blast RADIUS attack enables RADIUS authentication to be bypassed

Posted on 2024-07-10 by guenni

[German]A vulnerability (CVE-2024-3596) discovered by security researchers makes it possible to log into a network using the RADIUS network authentication protocol without further authentication. The vulnerability, called Blast-RADIUS, could jeopardize network security in companies because RADIUS network authentication can be … Continue reading →

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Microsoft Security Update Summary (July 9, 2024)

Posted on 2024-07-09 by guenni

[German]On July 9, 2024, Microsoft released security updates for Windows clients and servers, for Office – as well as for other products. The security updates eliminate 138 vulnerabilities (CVEs), including five critical vulnerabilities (two are already being exploited). Below is … Continue reading →

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Microsoft stops driver synchronization in WSUS in April 2025

Posted on 2024-07-02 by guenni

[German]A short piece of information for administrators of Windows systems who use WSUS to distribute updates. Microsoft is ending the synchronization of driver updates via WSUS, as was also announced in the tech community. According to Microsoft, driver synchronization for … Continue reading →

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GrimResource: Windows XSS vulnerability exploited with .msc files

Posted on 2024-07-01 by guenni

[German]There is a vulnerability in Windows that allows attackers to infect a system and search a network. Security researchers from Elastic uncovered this new infection technique in mid-June 2024 and dubbed it GrimResource. I was aware of this at the … Continue reading →

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Windows (network): Incorrect configuration causing printing issues

Posted on 2024-06-26 by guenni

[German]In Windows, there are always problems with printers no longer being found or no longer working after updates. I have published numerous articles on this topic in different variations on the blog. A blog reader contacted me because he sees … 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: DirectAccess discontinued; Always On VPN recommended

Posted on 2024-06-13 by guenni

[German]Since Windows 7 and Windows Server 2008 R2, DirectAccess has enabled clients to connect to corporate networks without installing a VPN. Microsoft has now declared DirectAccess as deprecated in Windows. As of June 2024, there is a new entry in … Continue reading →

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Windows June 2024 updates: LSass bug fixed; AuthLite on domain controllers broken and more

Posted on 2024-06-13 by guenni

[German]On June 11, 2024, Microsoft released its security updates for this month. The updates fix the LSass bug (memory leak), update Curl.exe and bring some other changes. But I have received an initial report of installation problems. And under Windows … Continue reading →

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Microsoft Security Update Summary (June 11, 2024)

Posted on 2024-06-11 by guenni

[German]On June 11, 2024, Microsoft released security updates for Windows clients and servers, Office and other products. The security updates fix 51 vulnerabilities (CVEs), including one critical vulnerability. Below is a compact overview of these updates that were released on … Continue reading →

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Edge 125.0.2535.67 update bypasses WSUS (May 2024)

Posted on 2024-05-30 by guenni

[German]This smells like trouble for administrators in enterprise environments, where the Edge browser is usually used. A blog reader informed me that the Edge had updated to version 125.0.2535.67, although this is definitely not released in the WSUS. Advertising

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Windows Server 2019 OOB update KB5039705: Fails on Citrix with error 0x8007371B

Posted on 2024-05-27 by guenni

[German]In mid-May 2024, Microsoft released the out-of-band update KB5039705 for Windows Server 2019, which is intended to correct the installation error 0x800f0982 of the security update KB5037765 from May 2024 on systems with a non-English language pack. However, administrators in … Continue reading →

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