Palo Alto Network warns about ransomware strain Trigona

Posted on 2023-03-21 by guenni

Sicherheit (Pexels, allgemeine Nutzung)[German]Security researchers from Palo Alto Networks came across a new strain of ransomware at the end of 2022 that is currently still operating "under the radar" of many security researchers. However, at least 15 victims were attacked in December 2022. Here is some information about this new threat.

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Windows 11 22H2 Defender causes "Local Security Authority protection is off" warning

Posted on 2023-03-20 by guenni

Windows[German]Windows 111 22H2 users are annoyed since months by a Defender warning "Local Security Authority protection is off". It seems that it correspondents with Windows Defender update KB5007651. Some registry entries  allow to remove that warning/malfunction.

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How to find weak passwords in Active Directory and eliminate them with PowerShell

[Sponsored Post]Weak or compromised passwords are a known gateway for attackers. If you are able to identify which users in Active Directory (AD) are threatened by this, then PowerShell can help to remedy it. However, PowerShell scripts cannot eliminate basic AD deficits, other tools are needed for this. More ...

Fix for connection issues with Microsoft 365 apps (March 2023)

Posted on 2023-03-19 by guenni

[English]In February 2023, I had a poll on the blog regarding connection issues with Microsoft 365 applications. Some administrators had responded with confirmations. Now an administrator has contacted me on the blog, and posted a solution that works for him, which I am adding as an addendum.

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Improved Office macro security leads to new attack methods via OneNote and other filetypes

Posted on 2023-03-19 by guenni

Sicherheit (Pexels, allgemeine Nutzung)[German]Since Microsoft and Windows system administrators are investing more in macro security, attacks via this vector are becoming more difficult. Cybercriminals are looking for new ways to deliver malware to users. OneNote occupies a prominent position as a gateway – but other files and the Mark of the Web vulnerability in Windows have also been increasingly used for attacks recently.

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Windows 11: "Windows Security Health Service exe no longer functional" due to Defender update

Posted on 2023-03-18 by guenni

Windows[German]A couple of days ago a German user contacted me with a strong observation. On a fresh installed Windows 11 22H2 he received an event log entry that says (translated) "Windows Security Health Service exe no longer functioning". In addition, there are display errors in the Defender settings page. The strange thing is that the error happens to one user right after rebooting the system. It seems, that a Defender update brokes something.

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NoSpamProxy version 14.0.5 released – update!

Posted on 2023-03-18 by guenni

[German]Short note for users who use NoSpamProxy to filter mails. The developers have released version 14.0.5 – those who still have an older version installed should update. The background is that the provider Cyren discontinues its services.

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Windows 10/11: Microsoft releases script for WinRE BitLocker bypass fix

Posted on 2023-03-17 by guenni

Windows[German]It has been known since November 2022 that there is a Bitlocker bypass vulnerability CVE-2022-41099 in the Windows Recovery Environment (WinRE). Patching it, however, is anything but easy (see blog post Windows 10: Be aware of WinRE WinRE patch to fix Bitlocker bypass vulnerability CVE-2022-41099). Now Microsoft has released a script to install the WinRE BitLocker bypass fix on systems.

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MS Supporter activates Windows 10 Pro using a crack …

Posted on 2023-03-17 by guenni

Windows[German]It is a strange story that a user reported and probably also documented. Because he could not activate an official Windows 10 Pro license purchased from Microsoft with the included product key, he contacted the manufacturer's support. He was not successful either, but then resorted to unusual means that are only known from the cracker scene.

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Thunderbird 102.9.0

Posted on 2023-03-16 by guenni

[German]The developers of Thunderbird have released another update of the email client to version 102.9.0 on March 14, 2023. It is a bug fix and security update, which should eliminate vulnerabilities.
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Firefox 111.0 and 102.9.0 esr released

Posted on 2023-03-16 by guenni

Mozilla[German]The Mozilla developers have released the versions 111.0 and 102.9.0 ESR of the Firefox browser on March 14, 2023. The ESR versions are maintenance updates that are supposed to fix bugs. Firefox 111 is a new development branch. In both updates, vulnerabilities are fixed. Thanks to the reader for the tip.
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