[German]Citrix has been releasing security updates for critical vulnerabilities in Citrix ADC and gateway products and issuing security alerts for them over the past few months. However, it appears that thousands of Citrix ADCs and Citrix Gateways are vulnerable with respect to vulnerabilities CVE-2022-27510 and CVE-2022-27518. The vulnerabilities allow an attacker to take over the affected instances.
[German]Twitter have had technical issues at 00:00 UTC on Dec. 29, 2022. The Twitter service hasn't running smoothly. When displaying various tweets, everything was still fine an hour before midnight. But currently (December 29, 2022, 00:50 a.m. UTC) I can no longer access some tweets. Messages are only displayed very slowly or I get an error message and see the information that I should log in again if necessary.
[German]The platform StackOverflow conducts an annual survey among its user base to find out where the focus of its members lies. The results are quite exciting in terms of the programming languages used, the cloud provider, the frameworks used or the operating system used for development. Linux, for example, is by no means leading a niche existence, but has even moved ahead of macOS, but does not yet come close to Windows – I would not have expected that.
[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.
[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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[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.
[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.
[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.
[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.
[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.
MVP:
2013 – 2016
WIMVP:
2017 – 2020
