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Category Archives: Security
Sharepoint Server 0-Day vulnerability: over 400 victims, Warlock ransomware infections
[German]The extent of the observed wave of attacks on 0-day vulnerabilities in Microsoft SharePoint is slowly becoming apparent. Microsoft has now released emergency updates for SharePoint Server. However, it is now known that over 400 organizations have probably been compromised. … Continue reading
Vulnerabilities in around 750 printer models have been exploited since July 2025
[German]In June 2025, it became known that there are vulnerabilities in the firmware of almost 700 printer models from Brother and other manufacturers. There are now reports that attackers are using these vulnerabilities to attack printers that have not been … Continue reading
Exchange 2016/2019 and Skype 2015/2019 get 6 months ESU updates
[German]A short addendum that may be of interest to administrators of Microsoft Exchange Server 2016/2019 and Microsoft Skye for Business 2015 and 2019. These software versions were actually due to be removed from support on October 14, 2025. Anyone who … Continue reading
Posted in Security, Software, Update
Tagged Exchange 2016/2019, Security, Skype, Update
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OpenAI has introduced ChatGPT Agent; Sam Altman warns of risks
[German]OpenAI released its "ChatGPT agent" on July 17, 2025. In a longer post on X, OpenAI boss Sam Altman takes this up. At the same time, Altman warns of potentially major risks when using this ChatGPT agent. Everything is still … Continue reading
Patches for Sharepoint Server 2016; China behind attacks, approx. 400 organizations compromised
[German]An addendum to the 0-day vulnerability in Microsoft SharePoint and the observed wave of attacks. Microsoft has also released an emergency update for SharePoint Server 2016. In the meantime, there are reports that some of the attacks came from China … 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 ...
Sharepoint servers are attacked via 0-day vulnerability (CVE-2025-53770)
[German]Does anyone in the readership operate a SharePoint server that is accessible via the Internet? If so, the house may be on fire. Since yesterday, I have been receiving information that SharePoint servers have been attacked via 0-day exploits since … Continue reading
Microsoft says it's ending U.S. Defense Department cloud maintenance by Chinese software engineers
[German]That was kind of quick reaction after Microsoft was caught as a kind of "with its finger in the honey pot", so to speak. A week after ProPublica's report, that Microsoft uses software engineers in China to maintain it's federal … Continue reading
CrushFTP with 0-day vulnerability CVE-2025-54309
[German]Anyone from the my blog readers who uses the CrushFTP program for file transfer? In the meantime, several readers have reported (thanks for that) that there are reports of a 0-day vulnerability (CVE-2025-54309) in CrushFTP server, which is probably already … Continue reading
Trend Micro Worry Free Business 10.0 SP 1 – Patch 2518 released
[German]The security vendor Trend Micro has released Trend Micro Worry Free Business (WFBS) 10.0 SP 1 – Patch 2518 on 15.7.2025. The patch contains various security fixes and is also intended to fix various bugs. OpenSSL 3.0.15 in the Apache … Continue reading
Windows Server 2025: Authentication Bypass with Golden dMSA
[German]Delegated Managed Service Accounts (dMSA) were newly introduced in Windows Server 2025. Their design enables serious attacks on Managed Service Accounts and Active Directory resources. Semperis-Research has now developed Golden dMSA, a tool that contains the logic of the attack … Continue reading