Social networks
Awards
MVP:
2013 – 2016
WIMVP:
2017 – 2020
Category Archives: Security
Windows 7/Server 2008 R2: 0Patch support until January 2027
[German]Good news for users of Windows 7 SP1 and possibly Windows Server 2008 R2. There is probably an increasing demand to continue to operate these operating systems, which have long since reached their end-of-life (EOL), securely. ACROS Security has now … Continue reading
Important Security Update for Connect Wise ScreenConnect
[German]A brief note for readers who use the ScreenConnect product from Connect Wise. The provider has issued a warning that an important security update is available for this product. Users and administrators, that are using the on-premises version of this … Continue reading
Check Point ransomware report 1st quarter 2025
[German]Security provider Check Point Research has published its ransomware report for the first quarter of 2025. In its latest State of Ransomware report, the security researchers at Check Point Research (CPR) report that the first quarter of 2025 saw a … Continue reading
Microsoft Defender XDR classifies Adobe Acrobat Cloud links as "malicious" – resulting in sensitive documents becoming public
[German]Once again, there has been a serious "rattle". Microsoft Defender XDR has incorrectly classified Adobe Acrobat Cloud links as "malicious". As a result, thousands of Adobe users suddenly had more than 1,700 sensitive documents checked on the AnyRun online platform. … Continue reading
Posted in Cloud, issue, Security, Software
Tagged Adobe Acrobot, Cloud, Defender XDR, issue, Security
Leave a comment
April 2025 patch for Windows Symlink vulnerability CVE-2025-21204 tears new security issue
[German]On April 8/9, 2025, Microsoft rolled out numerous security updates for the supported Windows versions, which were also intended to close the symlink vulnerability CVE-2025-21204. This made waves due to the Inetpub folder being patched on all Windows systems. It … Continue reading
Posted in issue, Security, Update, Windows
Tagged issue, Patchday 4.2025, Security, Update, Windows
Leave a comment
VMware ESX update without token: Today (23.4.2025) last day
Quick reminder or information for users or administrators of VMware by Broadcom vCenter installations. As of today, April 23, 2025, a change in vCenter updates will come into effect, so that updates can only be downloaded and installed with update … Continue reading
Windows NTLM vulnerability CVE-2025-24054 is being exploited
[German]On March 11, 2025, Microsoft also publicly documented and patched the vulnerability CVE-2025-24054 contained in Windows. The vulnerability enables NTLM spoofing, but was classified by Microsoft as "difficult to exploit". Last week, Checkpoint pointed out that cybercriminals are attacking systems … Continue reading
Posted in Security, Update, Windows
Tagged Patchday 3.2025, Security, Update, Windows
Leave a comment
Office 365: Microsoft will deactivate ActiveX by default
[German]A small addendum from the last few weeks. On April 11, 2025, Microsoft announced that support for ActiveX components would be deactivated by default in Microsoft 365 (i.e. Office 365).
TLS server certificates only valid for 47 days from 2029
[Ger]Brief information for administrators. Browser manufacturers and Certificate Authorities (CAs) have decided to shorten the lifespan of TLS server certificates from 13 months to 47 days. However, there is a transition period for this change until 2029, during which the … Continue reading
Windows: Mysterious folder C:\Virus; Trend Micro involved?
[German]I am posting a very unusual observation by an administrator among the blog readers here on the blog. He noticed that an ominous folder c:\virus was "suddenly" created on his clients on the system drive. The cause has not yet … Continue reading