Is an Exchange ProxyNotShell disaster looming at the corner?

Posted on 2022-12-28 by guenni

Exchange Logo[German]Microsoft Exchange on-premises servers that are not up to date with the latest patches are vulnerable to attacks via the ProxyNotShell vulnerabilities. Then, a couple of days ago, there was information that the hacker group FIN7 had been setting up an automated attack platform to penetrate vulnerable Exchange servers. And now the information reaches me that possibly up to 70,000 Exchange servers worldwide are vulnerable to FIN7 ProxyNotShell attacks.

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German white hat hackers buys US military biometrics equipment with Afghanistan biometric database at auction

Posted on 2022-12-28 by guenni

Sicherheit (Pexels, allgemeine Nutzung)[German]German white hacker organization purchased several used U.S. military biometrics devices at auction through an online auction platform (presumably eBay). During the forensic investigation, it became obvious that the military and the manufacturer used irresponsible handling. Data located on the devices was unencrypted. The CCC gained access to a biometrics database containing the data of 2,632 people from Afghanistan.

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Exchange Online PowerShell V2 soon deprecated, replaced by PowerShell V3

Posted on 2022-12-28 by guenni

Exchange Logo[German]Brief note for administrators of Exchange Online instances. Microsoft announced in December 2022 that PowerShell V2 will be "deprecated" as of June 2023. From then on, the relevant PowerShell modules will no longer work. Anyone using PowerShell modules to administer their Exchange Online instances must have adapted their script before June 2023.

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Surface Laptop 2: End of support on December 27, 2022

Posted on 2022-12-27 by guenni

[German]A brief note for owners of a Microsoft Surface Laptop 2. Today, December 27, 2022, Microsoft's support for this device expires. A quick look at what this means for owners of such a device and how long this model was in support.

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Reminder: Basic Authentication in Exchange Online will be switches off in 2023

Posted on 2022-12-27 by guenni

Exchange Logo[German]Microsoft has reminded the days that the so-called Basic Authentication in Exchange Online will be phased out and switched off next year. Actually, this has been known for a long time and I assumed that this will already be the case from October 2022. But in January 2023, I guess it will become serious.

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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 Optimizer version 3.4 released

Posted on 2022-12-26 by guenni

Windows[German]Brief note for users of Windows10 XP and successor versions. There is a small project of German Windows users and software developers, who work on the optimization of Windows. The result is the Windows Optimizer (also available for English users). I have been following the project on the sidelines in its Facebook group. Now René Bengsch, who is a major contributor to the development, has submitted the 2022/2023 winter update for Windows Optimizer version 3.4.

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Linux Mint 21.1

Posted on 2022-12-26 by guenni

[German]Brief addendum from last week: On December 21, 2022, the team released the official upgrade of Linux Mint 21 to version 21.1. Blog reader Wolle had already informed me by mail that the version was available for the Cinnamon, MATE and Xfce editions. Linux Mint is one of the most popular desktop Linux distributions and is used on millions of computers.

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How to log off disconnected Citrix sessions after 1 hour via power shell

Posted on 2022-12-26 by guenni

[German]A short tip for administrators of Citrix solutions (Citrix Virtual Apps and Desktops Service). Sometimes administrators are need to log off users whose sessions have been in disconnected state for a long time. There is a PowerShell solution from Citrix for this issue.

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Windows 10/11 and Server 2022 December 2022 Refresh Media Available

Posted on 2022-12-26 by guenni

Windows[German]Short message for administrators who need installation media for Windows that are at the current patch level (i.e. already contain the current updates). Microsoft has released the installation images with the update status December 2022 as of December 20, 2022. These can be accessed from the Visual Studio Subscription Center for Windows 10, Windows 11 and Windows Server 2022.

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Private data of 400 million Twitter users are offered for sale on the darknet

Posted on 2022-12-25 by guenni

Sicherheit (Pexels, allgemeine Nutzung)[German]The Irish data protection authority DPC has just launched an investigation into a data leak involving 5.4 million Twitter user data (see Irish data protection authority launches investigation into Twitter after data breach). Now a new data breach seems to becomming true. A credible threat actor claims to have the data of 400,000,000 Twitter users and is trying to sell it.

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