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Category Archives: Security
Vulnerabilities in 689 Brother and other printer models (June 2025)
[German]Security researchers from Rapid 7 have looked closer at various multi feature printers for vulnerabilities. They found them in the firmware of 689 Brother printer models. However, some printers from other manufacturers are also vulnerable.
Windows Family Safety: Confirmed, that it's blocking Chrome
[German]Since the beginning of June 2025, users have been complaining that they can no longer use the Google Chrome browser if Microsoft Family Safety is installed on Windows. I had reported on this – and now Microsoft has officially confirmed … Continue reading
Citrix Vulnerability CVE-2025-5777: Is Citrix Bleed Part 2 back?
[German]Are you responsable for Citrix NetScaler ADC and the NetScaler Gateway as an administrator? Last week I had reported on serious vulnerabilities on Citrix products mentioned above that should be closed promptly by patching. Now Citrix has changed the description … Continue reading
Windows 10: News about ESU program – free options for consumers
[German]In a long blog post, Microsoft has once again commented on the benefits of Windows 11 in view of the end of Windows 10 support. For companies, the paid ESU program for another three update years is mentioned. And for … Continue reading
Microsoft 365 blocks old authentication protocols from mid-June 2025
[German]I'll pull out a topic in a post that I came across recently. Microsoft is trying to increase the security of MS 365. To this end, "Secure by default settings" for outdated authentication protocols will be introduced in Microsoft 365 … Continue reading
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 11 24H2 and Windows Server 2025 has Kerb3961
[German]Brief note for administrators of clients with Windows 11 24H2.clients and Windows Server 2025 hosts. Microsoft has integrated the Kerb3961 library into these operating systems. This is a refactoring of the Kerberos cryptography engine in a separate library and shall … Continue reading
Posted in Security, Software, Windows
Tagged Network, Software, Windows 11, Windows Server 2025
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Microsoft Family Safety blocks Google Chrome browser (June 2025)
[German]Since the beginning of June 2025, users have been complaining that they can no longer use the Google Chrome browser while Microsoft Edge works. Windows 11 (and probably also Windows 10 and macOS) are affected. The cause is probably the … Continue reading
Critical vulnerabilities CVE-2025-6018 and CVE-2025-6019 in Linux systems
[German]Security researchers from Qualys TRU have uncovered two linked, critical vulnerabilities in Linux. Starting with SUSE 15, the LPE chain leads directly to root access in standard configurations of many Linux distributions.
ASUS Armoury Crate vulnerability CVE-2025-3464 allows admin privileges in Windows
[German]Brief information for readers who use ASUS Armoury Crate on their Windows systems. The vulnerability CVE-2025-3464 in the software allows an attacker to gain administrator privileges under Windows. ASUS has since updated the software to close the vulnerabilities.
Citrix Netscaler ADC: Critical vulnerabilities, update urgently
[German]Various German blog readers have informed me that the provider Citrix has published several security advisories on critical vulnerabilities in the Netscaler ADC (and Gateway, and Secure Access Client for Window) as of June 17, 2025. Administrators are requested to … Continue reading