SANS ISC warns: Malicious ISO file embedded in HTML page (Jan 2022)

Sicherheit (Pexels, allgemeine Nutzung)[German]The Internet Storm Center (SANS ISC) warns about some new attack scam that is attempted via phishing emails. The attackers are trying to distribute malicious content to users via an ISO file embedded in an HTML page. What was interesting to me was that the ISO cannot be mounted with Windows 10, but contains a VBS file with a dropper for further downloads. It looks like there is an attack vector in testing that tries to disguise the malware from the usual detection methods. That's why I'm posting the whole thing here on the blog.

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Edge 97.0.1072.76

Edge[German]Microsoft has updated the Chromium Edge browser to version Edge 97.0.1072.76 [edit: typo in version amended] as of January 27, 2022 (thanks to the reader for pointing this out). This is a maintenance update. Microsoft lists the release notes for Microsoft Edge and its security updates on this page (there is no entry here yet). However, the entry for the version does not give much away (see also this comment), because it says: Fixed various bugs and performance issue. The browser should be updated automatically, but can also be downloaded here.

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Thunderbird 91.5.1

[German]The developers of the Thunderbird email client have released Thunderbird 91.5.1 on January 24, 2022. This is a maintenance update for the 91 development branch that makes fixes. Here is a brief overview..

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Firefox 96.0.3 and 91.5.1 esr released

Mozilla[German]Mozilla developers have released version 96.0.3 and 95.5.1esr of the Firefox browser on January 27, 2022. This is a bugfix update to fix a bug in the telemetry.

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Windows 11 upgrade for compatible devices in final availability phase (Jan. 2022)

Windows[German]Microsoft has entered the final phase and increased the pace of the Windows 11 rollout on compatible Windows 10 devices. Released on October 5, 2021, the operating system can now be installed on all compatible devices as an upgrade by all interested users, according to Microsoft's latest announcement. But I wonder where the compatible devices are coming from and who is upgrading to Windows 11?

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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 11: Microsoft fixes issues rendering colors correctly

Windows[German]Since the release of Windows 11, users have complained about problems with color management and that the use of ICC color profiles does not work. Now Microsoft has fixed the problem, which was officially confirmed in 2021, with the preview update KB500835 from January 25, 2022. Here is a brief overview of this issue.

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Let's Encrypt withdraws certain certificates on Jan. 28, 2022

Stop - Pixabay[German]Brief information for administrators who use certificates from the non-profit certification authority Let's Encrypt. Let's Encrypt will revoke certain certificates as of 28. Jan. 2022. The background for the revoke of the max. 90 days old certificates is a bug that was noticed recently. No idea how many websites and services use these free Let's Encrypt certificates. Those who use Let's Encrypt certificates should at least check if they are affected.

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Do Windows updates bricks Lenovo computers?(Jan. 2022)

Windows[German]Today I have a quick question for users and service providers who own or support Lenovo devices. I have seen reports that these devices (especially in the consumer sector) suddenly no longer boot after a Windows update (possibly January 2022 update). I don't have a lot of information yet – but I'll summarize what I've come across.

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PDF printing issues with Adobe Reader under Windows (Jan. 2022)

Windows[German]It seems that the Adobe Reader DC is causing printin^g issues in Windows since January 2022. I received  reports that there have been issues with printing PDF documents since about 2 weeks. It is not an isolated case, because the information came from a company environment, where various users are affected by this effect. There are other readers confirming this behavior.

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Windows 11 / Windows Server 2022 Preview Update (Jan. 25, 2022)

Windows[German]Microsoft has released some optional, cumulative (preview) updates on January 25, 2022 (D-Week). These are intended to fix various bugs in Windows 10, Windows 11 and in the corresponding Windows Server versions. Below, I provide an overview regarding these updates for Windows 11 and Windows Server 2022.

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