Windows PrintNightmare: Microsoft confirms printing problems after Sept. 2021 update

Posted on 2021-09-18 by guenni

Windows[German]For months, a number of vulnerabilities in the Windows Print Spooler service have existed in all versions of Windows, collectively known as PrintNightmare. Microsoft has been trying in vain to close the vulnerabilities completely since July 2021, but is having problems. The updates released for patchday on September 14, 2021 also cause problems, which Microsoft has now partially acknowledged. There is the advice to update the printer driver to be able to print again.

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MikroTik Security Advice (CVE-2018-14847)

Posted on 2021-09-18 by guenni

Sicherheit (Pexels, allgemeine Nutzung)[German]Router manufacturer MikroTik has published a security advisory on how to protect its devices against a takeover by the Meris botnet. The Meris gang exploits the CVE-2018-14847 vulnerability, discovered in 2018 and patched long ago, to take over devices and then abuse them for DDoS attacks. Here is some information about it.

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Malware targets the Windows Subsystem for Linux (WSL)

Posted on 2021-09-18 by guenni

Sicherheit (Pexels, allgemeine Nutzung)[German]Security researchers from Lumen's Black Lotus Labs have come across several malware samples that can infect the Windows subsystem for Linux and then switch to the native Windows environment. Experts had outlined this scenario back in 2017. Thus, the Microsoft WSL implementation creates a new attack surface for malware developers. Here's some information on the topic.

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Sir Clive Sinclair, the developer of the ZX81 died at 81

Posted on 2021-09-17 by guenni

[German]Small news from the world of computer technology: The inventor and entrepreneur Sir Clive Marles Sinclair died yesterday, September 16, 2021 in London, at the age of 81. Born near Richmond on July 30, 1940, the British inventor is considered, among other things, the father of the Sinclair ZX81 and ZX Spectrum computers that were popular in the 1980s.

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Thunderbird 91.1.1

Posted on 2021-09-17 by guenni

[German]The developers of the Thunderbird email client have released Thunderbird 91.1.1 as of September 16, 2021. This is a maintenance and security update for the 91 development branch, which makes minor fixes.

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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 ...

Microsoft Edge 93.0.961.52

Posted on 2021-09-17 by guenni

Edge[German]Microsoft has released a security advisory for the Edge browser as of September 16, 2021, updating the browser to version 93.0.961.52. The update also closed the CVE-2021-30633 vulnerability, which is actively exploited, according to the release notes. The browser should be updated automatically, but can also be downloaded here. (via)

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Windows 11: Microsoft enforces TPM 2.0 on virtual machines

Posted on 2021-09-17 by guenni

Windows[German]That's it for Windows 11 – at least with older hardware, if I'm right. If the hardware requirements already caused head shaking and unstoppable enthusiasts were looking for ways to install the operating system on machines that did not meet the requirements, this will now be blocked. In the latest Insider Build, Microsoft makes a TPM 2.0 and secure boot mandatory for virtual machines to run Windows 11.

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Bitdefender provides universal REvil decryptor

Posted on 2021-09-17 by guenni

Sicherheit (Pexels, allgemeine Nutzung)[German]Hope for victims of REvil/Sodinokibi ransomware attacks who have lost access to encrypted data. Security vendor Bitdefender has succeeded in developing a universal REvil decryptor in cooperation with law enforcement agencies. The REvil Decryptor helps with all files that were encrypted by July 13, 2021. The tool is available free of charge.

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Office 2021 arrives Oct. 5, 2021, Office LTSC just released

Posted on 2021-09-17 by guenni

[German]Microsoft has announced a new Office 2021 (as well as an LTSC version) for the 2nd half of 2021. The LTSC version of Microsoft Office is available now. The Office 2021 version, on the other hand, is scheduled for release to business customers and consumers on October 5, 2021. Here is some information about these products.

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Patch day recap Sept. 2021: Update on MSHTML vulnerability CVE-2021-40444

Posted on 2021-09-17 by guenni

Sicherheit (Pexels, allgemeine Nutzung)[German]The vulnerability CVE-2021-40444 in the Windows MSHTML library has been known public since September 7, 2021. Actors attempt to attack Windows machines via this vulnerability using manipulated Office files. As of September 14, 2021, Microsoft has addressed the vulnerability in Windows security updates. In addition, I have new analysis on the vulnerability. As a follow-up to Patch day, here is a summary of the current state of affairs.

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