Category Archives: Security

Patchday: Microsoft Office Updates (April 11, 2023)

[German]On April 11, 2023 (second Tuesday of the month, Microsoft Patchday), Microsoft released several security-related updates for still-supported Microsoft Office versions and other products. The April 2023 patchday ends support for Office 2013, and two critical remote code execution vulnerabilities … Continue reading

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Windows 7/Server 2008 R2; Server 2012 R2: Updates (April 11, 2023)

[German]As of April 11, 2023, various security updates have been released for Windows Server 2008 R2 (in the 4th ESU year) and for Windows Server 2012/R2 (the updates may still run on Windows 7 SP1). Here is an overview of … Continue reading

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Patchday: Windows 10 Updates (April 11, 2023)

[German]On April 11, 2023 (second Tuesday of the month, patchday at Microsoft), several cumulative updates were released for the supported Windows 10 builds (from RTM version to current version) as well as for the Windows Server counterparts. Here are some … Continue reading

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Microsoft Security Update Summary (April 11, 2023)

[German]On April 11, 2023, Microsoft released security updates for Windows clients and servers, for Office – as well as for other products. The security updates fix 97 CVE vulnerabilities, seven of which are critical and one is a 0-day vulnerability. … Continue reading

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Microsoft fixes 5-year-old Defender bug that slows down Firefox

[German]A few days ago, Microsoft fixed a bug in Defender that had been known for five years. The bug caused Defender to create a high CPU load on Windows when the Firefox browser was running. Users had to create an … 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 ...


AlienFox: Toolkit to compromise email and web hosting services in the cloud

[German]AlienFox is a toolkit for compromising email and web hosting services. This toolkit is highly modular, comes in multiple versions, and attempts to exploit misconfigurations in the cloud to grab credentials for services such as AWS, Microsoft 365, Google Workspace, … Continue reading

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Additional information about the compromised 3CX desktop app

[German]The 3CX Desktop app from phone system provider 3CX was infected with malware via supply chain attack. As a follow-up, I have some additional information. For example, the incident has now been confirmed by 3CX and both Cyble and Kasperky … Continue reading

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Citrix Cloud Connector May 2023 upgrade requires new DigiCert G4 root and intermediate certificates

[German]Brief note for administrators who are responsible for the deployment of the Citrix Cloud Connector. Normally, there is no need to worry about an update of this connector. However, in early May 2023, there is a connector update that administrators … Continue reading

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Google Dropcam and Nest Secure reaches End of Live on April 8, 2024

[German]Bad news for users of Google's home automation products like the Nest Thermostats, the Dropcam camera or the Google Secure solutions. Google has announced that their support will be discontinued on April 4, 2024. The solutions in question will then … Continue reading

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Windows 10 21H2: Support expires in June 2023

[German]Microsoft has reminded Windows 10 users as of April 6, 2023 that support for version 21H2 will expire in June 2023. After that, these builds will not get any security updates. Users of version 21H2 have two options: Either they … Continue reading

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