New Outlook app: No GMail calendar entries possible – workaround and fix

Mail[German]A blog reader pointed me to an issue with the new Outlook app. The app could no longer create new calendar entries for his Gmail account. However, there is a workaround, and a new version with bug fixes should be available by now.

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Bootkitty: First Linux UEFI Bootkit

[German]ESET Research has discovered the first Linux UEFI boot kit and named it Bootkitty. This Linux UEFI boot kit was uploaded to Virustotal in early November 2024 and came to the attention of the security researchers.

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Exchange 2016/2019: Nov. 2024 SU v2 also with bug

Exchange Logo[German]Microsoft is not really having a good run with its security updates for Exchange Server 2016 and Exchange Server 2019. The version of the security updates released on November 12, 2024 had to be withdrawn due to a bug. Version 2, released on November 27, 2024, contains a time zone bug that Microsoft has already acknowledged.

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Windows Server 2012: Unofficial 0patch fix for MoW 0-day vulnerability

Windows[German]ACROS Security has developed a fix for a previously unknown 0-day vulnerability in the Mark of the Web security feature of Windows Server 2012 and Server 2012 R2. The fix is available to customers via a 0patch micro-patch and enables the affected installations to be secured.

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Windows 11 24H2: Extremely slow RDP connection

Windows[German]Another problem that I would like to share with the readership – perhaps there are others affected and new insights. A reader complained in an e-mail this week about the slow screen loading when using a remote desktop connection (RDP) under Windows 11 24H2.

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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 ...


Email bombing: A new spam campaign? Or a cover-up for a (black basta) attack?

Mail[German]A German blog reader recently shared an observation from his IT department with me. An employee was bombed by a veritable wave of spam  mail (more than 1,000/hour). All the emails had some kind of confirmation for a registration, which aroused my suspicions.

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Microsoft Exchange Server Nov. Updates Re-Release (27. Nov. 2024)

Exchange Logo[German]Microsoft has re-released the pulled security updates for Microsoft Exchange Server 2016 and 2019 on November 27. With the first release, it turned out that the transport rules no longer worked after the update installation. Microsoft now believes it has fixed the problems and is making the November 2024 security updates available again.

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Deye deactivates solar inverters in USA, UK and Pakistan

Stop - Pixabay[German]This is a critical issue that I have come across recently and illustrates the risk of IT shutdowns by vendors/manufacturers or countries. The Chinese manufacturer Deye, also represented in German balcony power plants and solar system installations with inverters, has switched off such devices in the USA, Great Britain, Pakistan and several other countries as of November 15, 2024. The solar systems are dead!

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Windows 11 24H2: Fix for Synaptics audio issue on HP Prodesk 600 G4

[German]If you own a business PC HP Prodesk 600 G4 with Windows 11 23H2, you could run into problems when upgrading to Windows 11 24H2. The sound from the Synaptics audio unit is missing after the upgrade because the driver provided by HP causes problems. However, blog reader Markus Grosche sent me a workaround by e-mail and in the discussion area, with which you can "get sound again" (thanks for that).

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Windows 11 24H2: Problems with USB scanners that use eSCL

Windows[German]In addition to the problems with Ubisoft games under Windows 11 24H2, Microsoft has also admitted to difficulties with USB scanners. USB scanners are simply not found if they use the eSCL scan protocol. A scanner problem has already been reported by a reader, but I have not yet been able to identify it. Here are the details on this issue.

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