Short information for administrators of Citrix systems. Citrix ADV Virtual Appliance 13.0.85 seems to cause problems with Citrix Gateway Services. After importing the VPX and configuring the ADC, the Citrix Gateway login page (ICA proxy) may not be accessible.
[German]Brief information for blog readers who are still running Windows 7 SP1 and use Firefox as browser. In a few weeks, the change to version 100.x is due, and in order to install the browser then, it is mandatory to have the Windows 7 update KB4474419 installed. Here's a brief overview of why this is required.
[German]Here is a short addendum from last week. Microsoft has released an information for Windows 10 users on March 31, 2022, regarding issues upgrading to Windows 11. The issue is that Internet Explorer 11 causes problems after the upgrade if the browser is set as default. Then information saved after the upgrade cannot be accessed. The upgrade to Windows 11 was therefore blocked, till the issue has been fixed.
[German]Another small addendum from the end of March 2022. There is a vulnerability (CVE-2022-22274) in SonicOS, the operating system for Sonic firewalls, which allows DoS attacks. The manufacturer has now also developed and released an update to close the vulnerability. However, it looks like this update is not offered for all products.
[German]After years, Microsoft decided to change something. As of April 1, 2022 (not an April Fool's joke), Microsoft seems to have finally adjusted its download offer for updates so that they are consistently offered via the https protocol instead of the unencrypted http protocol. This should avoid that browsers refuse to download an update via http. Here's a brief overview of this topic.
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[German]In a post on 29 March 2022, Microsoft has pointed out that Internet Explorer on Windows will only run for three more months. Then support will ends and IE calls are be redirected to Microsoft Chromium Edge. However, this is only available for certain versions of Windows.
[German]Here's a quick information about an information a reader has send me in a private Facebook message. American Express seems to be having service issues since April 1, 2022 – a 2FA login doesn't really work, transactions get stuck. And there's a suspicion that it's related to a cyber attack. It seems clear, at least, that there was a major, worldwide, technical outage on Friday that lasted until today.
[German]The London Police have now announced that two teenagers aged 16 and 17 from the UK will be charged with involvement in activities of the Lapsus$ hacking group. The identities of members of the hacking group had become known a few days ago. Seven youths were briefly detained but then released. Now two of the suspects are in custody.
[German]Microsoft has updated the Chromium Edge browser to version Edge 100.0.1185.29 on 1 April 2022 (no April Fool's joke). This is a maintenance update that closes a number of vulnerabilities and initiates the 100 development branch.
[German]Security researchers from Fortinet have come across a malware campaign that they attribute to the Chinese APT group Deep Panda. The malware uses the Log4Shell vulnerability in VMware Horizon servers to exploit. A backdoor and a new type of rootkit is installed on the infected machines. Here are some notes on the details of this threat.
MVP:
2013 – 2016
WIMVP:
2017 – 2020
