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Tag Archives: Security
Microsoft blocks virus scanners from kernel access – just a marketing gag?
[German]At the end of June 2025, there were reports (at least that's how I interpreted them) that virus scanners would "soon" no longer be allowed to use the Windows kernel mode. According to Microsoft, the CrowdStrike case, which paralyzed millions … Continue reading
Critical vulnerability CVE-2025-32463 in sudo jeopardizes Linux systems
[German]The sudo command in Linux allows local privilege escalation due to a vulnerability CVE-2025-32463 classified as critical. The background is an improper handling of /etc/nsswitch.conf, so that root privileges are obtained.
Security Baseline for Windows Server 2025, version 2506
Microsoft has published its new security baseline for Windows Server 2025, version 2506, on June 25, 2025. The announcement with the new features was made in the Techcommunity article Security baseline for Windows Server 2025, version 2506. The baseline package … Continue reading
Windows 10 22H2: Acticate ESU with Microsoft Intune
[German]When Windows 10 22H2 reaches out of support as planned on October 14, 2025, enterprises can buy Extended Security Update (ESU) licenses from Cloud Solutions Provider (CSP) to receive 3 extra years of security updates. Administrators who manage larger client … Continue reading
Microsoft's UEFI Secure Boot certificate expires in June 2026
[German]I'm revisiting a topic here on the blog that still has a year to go, but could have very unpleasant consequences. UEFI Secure Boot certificates expire in June 2026. In October 2026, the next expiring UEFI certificate for Secure Boot … 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 ...
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
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
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