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Category Archives: Software
Critical vulnerabilities in Citrix NetScaler ADC & NetScaler Gateway
[German]Administrators of Citrix NetScaler ADC and NetScaler Gateway must respond as new critical vulnerabilities (CVE-2025-7775, CVE-2025-7776, CVE-2025-8424) have been discovered. Citrix writes that exploitation of a vulnerability via exploits has already been observed.
AutoCAD, Firefox, SAP requests admin rights after Windows August 2025 updates (MSI error 1730)
[German]The security updates for Windows released on August 12, 2025, have caused some "collateral damage." Users of the Autodesk product AutoCAD are encountering a problem after installing the August 2025 updates on various Windows versions, whereby administrator rights are suddenly … Continue reading
Replacing Exchange with cloud-managed remote mailboxes in EO
[German]Microsoft unveiled its "Cloud-Managed Remote Mailboxes" on August 20, 2025. This is an attempt to free companies that have moved all their mailboxes to Exchange Online in the cloud from the Microsoft Exchange servers they still operate on-premises. These Exchange … Continue reading
Exchange Online: 12-hour sync issue (EX1137017) is being investigated
[German]Microsoft is investigating an issue with Exchange Online that causes emails to not sync with Outlook for 12 hours. This affects users of mobile devices where the Outlook client uses Hybrid Modern Authentication (HMA). Email access issues may then occur … Continue reading
Chrome extension FreeVPN.One recorded screenshots of every page visited
[German]Anyone who believed that Microsoft's Recall was at the forefront of surveillance needs to think again. Security researchers have discovered the FreeVPN.One extension for the Google Chrome browser. This extension took screenshots of all visited pages and collected additional data. … 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 ...
Open Source AppLocker Policy Generator
[German]Another small finding from the Internet that may be helpful for administrators who work with AppLocker in corporate environments to set application restrictions. The AppLocker Policy Generator promises to support system administrators and security experts in creating and managing AppLocker … Continue reading
Cyber incident at SIP trunk provider Colt (from August 14, 2025)
[German]I have no idea whether and how many blog readers use the SIP trunk services of the provider Colt (colt.net) for telephony. The provider has suffered a cyber incident (possibly since last Thursday). This also affects the SIP trunk solutions … Continue reading
CheckPoint analysis of the 0-click EchoLeak vulnerability in Microsoft Copilo
[German]In June 2025, security researchers reported the first zero-click vulnerability they had encountered in the Microsoft 365 Copilot AI application. Attackers could use this vulnerability, known as EchoLeak, to force Microsoft 365 Copilot to exfiltrate data. Check Point Research has … Continue reading
Cisco Secure Firewall Management Center with CVSS 10 RCE vulnerability CVE-2025-20265
[German]Once again, Cisco is in hot water. The Remote Code Execution (RCE) vulnerability CVE-2025-20265 was found in their Secure Firewall Management Center. This vulnerability was rated with the maximum possible CVSS 3.1 score of 10.0. Administrators need to react immediately.
Exchange Server 2010: Folder migration to Exchange Online ends for older versions
[German]I am posting some information here in the blog that Microsoft published some time ago. Microsoft has definitively discontinued the feature for migrating folders from ancient Exchange Server versions prior to Exchange 2013 to Exchange Online. From October 1, 2025, … Continue reading