Attack on critical infrastructure in Denmark; 22 utilities compromised in May 2023

Posted on 2023-11-17 by guenni

Sicherheit (Pexels, allgemeine Nutzung)[German]In May 2023, there were probably two waves of cyberattacks on critical infrastructure (KRITIS) in Denmark, as has only now become known. In a report published by SektorCERT, the whole thing is described as the largest known cyberattack on Danish critical infrastructure. In the two waves of attacks, 22 energy companies from Denmark were compromised. The focus was on vulnerabilities in Zyxel devices (firewalls), some of which could be exploited as 0-day.

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New Outlook app: Microsoft's statement on transferred credentials and content

Posted on 2023-11-16 by guenni

[German]After it became public knowing, that the new Outlook app transmits access data for mail accounts (credentials and content) to Microsoft,  Redmond has now explained the issue to German news site heise and made some statements. Tenor: If you use the new Outlook app, we will send all emails and appointments from the configured accounts via the Microsoft servers. I summarize the topic in this blog post.

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Windows 10/11: Microsoft investigates activation problems with Windows 7/8.1 keys

Posted on 2023-11-16 by guenni

Windows[German]Some users of Windows 10 or Windows 11 may have activation problems if these operating systems were originally activated with a Windows 7 or Windows 8.1 key. These are systems that were previously activated but have suddenly lost this activation due to BIOS updates or hardware changes and can no longer be activated. This behavior is not intentional and Microsoft is currently investigating why these effects occur.

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Microsoft Office Updates (November 14, 2023)

Posted on 2023-11-16 by guenni

Update[German]On November 14, 2023 (second Tuesday of the month, Microsoft Patchday), Microsoft released several security-related updates for still supported Microsoft Office versions and other products. Below you will find an overview of the available updates. Continue reading →

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Thunderbird 115.4.3

Posted on 2023-11-16 by guenni

[German]The developers of Thunderbird have released another update of the email client to version 115.4.3 on November 16, 2023. It is an update that fixes some bugs and contains some new features. 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 ...

Google Chrome 119.0.6045.159/.160 and 118.0.5993.144

Posted on 2023-11-15 by guenni

Chrome[German]Google has released updates to Google Chrome Browser 119 in the Stable Channel for Mac, Linux and Windows on November 14, 2023. The Extended Stable Channel also received version 118.0.5993.144 and the Android app of the Chrome browser was updated on November 8. Here is an overview of these updates.
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Windows 7/Server 2008 R2; Server 2012 R2: Updates (November 14, 2023)

Posted on 2023-11-15 by guenni

Windows[German]Various security updates for Windows Server 2008 R2 (in the 4th ESU year) and for Windows Server 2012/R2 (1st ESU year) were released on November 14, 2023 (the updates can also be installed under Windows 7 SP1). Here is an overview of these updates for Windows Server 2008 R2 and Windows Server 2012/R2 as well as Windows 7 SP1. Continue reading →

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Patchday: Windows 11/Server 2022-Updates (November 14, 2023)

Posted on 2023-11-15 by guenni

Windows[German]On November 14, 2023 (second Tuesday of the month, patch day at Microsoft), Microsoft also released cumulative updates for Windows 11 23H2 to 21H2. Windows Server 2022 also received an update. Here are some details about these updates, which are intended to fix vulnerabilities and problems. Continue reading →

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Patchday: Windows 10-Updates (November 14, 2023)

Posted on 2023-11-15 by guenni

Windows[German]On November 14 (second Tuesday of the month, Patchday at Microsoft), various cumulative updates were released for the supported Windows 10 builds (from the RTM version to the current version) as well as for the Windows Server counterparts. Here are some details on the respective security updates for Windows 10.
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Exchange Server security updates (November 14, 2023)

Posted on 2023-11-15 by guenni

Exchange Logo[German]Microsoft has released security updates for Exchange Server 2016 and Exchange Server 2019 on November 14, 2023. These security updates close vulnerabilities in this software. The updates should be installed on the systems promptly to close the vulnerabilities in question. Continue reading →

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