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Attacks on Exchange Server via ProxyShell vulnerability (8/13/2021)
[German]I’m bringing this up again before the weekend, even though the readership of this blog is probably well informed and keeps the Exchange servers up to date with the latest patches. It’s Friday...
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Vice Society: 2. Ransomware gang uses Windows PrintNightmare vulnerability...
[German]In my blog post Ransomware gang uses PrintNightmare to attack Windows servers, I had reported about the first case where the PrintNightmare vulnerability was used to attack Windows. Now Talos...
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Windows 365: Logon data can be dumped in plain text
[German]Microsoft only introduced its Windows 365, which runs Windows 10 on Azure, at the beginning of August 2021 and also released it for customers. There is also a test version that interested...
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Microsoft explains SMB signing configuration
[German]Another brief information for administrators in the enterprises. Microsoft enables SMB signing for the relevant network protocol. This is to ensure the security of the communication. However,...
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Windows 10: News from SSU integration in CUs (August 2021)
[German]Another small addendum about Windows 10 and the integration of the Servicing Stack Updates (SSUs) into current Cumulative Updates (LCUs). Due to massive problems with the installation of the...
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IE 11 support for Microsoft 365 apps and services has ended on August 17, 2021
[German]Small reminder for users and administrators of Internet Explorer 11. As of August 17, 2021, support for this browser in Microsoft 365 apps and services has ended. I became aware of this...
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Windows Server 2022 LTSC released
[German]Microsoft has released Windows Server 2022 LTSC on August 18, 2021 (according to my post Future Windows Server versions will only be available as LTSC, only LTSC versions with 10 years of...
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Windows 11 ISO install image file released (August 2021)
[German]Microsoft has made the first Windows 11 installation image available as an ISO file for Windows Insiders to test. It is build 22000.132 – which already includes update KB5005190 (dated...
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2nd 0patch fix for Windows PetitPotam 0-day vulnerability (Aug. 19, 2021)
[German]ecurity researchers had recently disclosed a new attack vector called PetitPotam. By means of an NTLM relay attack, any Windows domain controller can be taken over by attackers. ACROS Security...
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Microsoft 365: New prices on March 1, 2022
[German]Enterprise customers who subscribe to Microsoft 365, which consists of Windows 10 and Office 365, will have to pay more in 2022, starting March 1. Microsoft has announced a price increase of...
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Microsoft shows a "slim foot" with PrintNightmare
[German]PrintNightmare is the name given to a series of vulnerabilities in the Windows Print Spooler service. Attackers can use these vulnerabilities to extend rights and possibly take over domain...
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Old Updates for Windows 7 and IE 11 offered again as important (August 2021)
[German]Currently, some users of Windows 7 SP1 and Windows 8.1 are wondering about the updates offered by Microsoft Update Servers. Two users have contacted me who were suddenly offered ancient updates...
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Windows 10 Update KB5005033 bricks Alt-Tab functionality
[German]It looks like the August 2021 KB5005033 cumulative update (and July preview update) is causing problems for some Windows 10 users. The functionality of the Alt-Tab key combination seems to be...
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Windows 10: Administrator privileges obtained via Razer mouse via LPE...
[German]Connecting a Razer mouse is enough to gain administrative privileges as a standard user. The background is that the driver installation is executed with SYSTEM rights and the user can then open...
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SteelSeries software enables admin rights (LPE) on Windows
[German]After the Razer case, the next clunker has now come to light. After it became known that standard users can become administrators with Razer mice via the driver installation, a security...
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Windows 10: Update KB5005932 fixes install error 0x800F0984
[German]Microsoft has released an update for Windows 10 version 2004, 20H2 and 21H1 as of August 24, 2021. This update should correct the error 0x800F0984 (PSFX_E_MATCHING_BINARY_MISSING), which...
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Windows 10 V1909: Preview Update KB5005103 (August 26, 2021)
[German]Microsoft has released an optional cumulative (preview) update KB5005103 for Windows 10 version 1909 (Enterprise, Education, IoT) as of August 26. The update fixes various issues with OneDrive...
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Windows: PrintNightmare wrap-up and status (August 28, 2021)
[German]It’s the end of August 2021, and vulnerabilities in the Windows Print Spooler service, collectively known as PrintNightmare, continue to cause problems for administrators. There were security...
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Windows 11: Microsoft specifies hardware requirements, no blocking on...
[German]Microsoft has specified some requirements for Windows 11 hardware in a blog post. Compared to earlier information, a 7th generation Intel processor was added to the list of compatible devices...
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Windows 10: Upgrades blocked because of old CryptoPro CSP versions
[German]Microsoft has announced in support article KB5006024: Updating to Windows 10, version 2004 or a later version with a certain app installed, that Windows 10 upgrades from version 2004 and higher...
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