Category Archives: Security

Veeam Backup & Replication 12.3.2 closes critical vulnerabilities (CVE-2025-23121 etc.)

Posted on 2025-06-17 by guenni

[German]Users of Veeam Backup & Replication must react. The provider Veeam has released Veeam Backup & Replication 12.3.2 and Veeam Agent for Microsoft Windows 6.3.2 on June 17, 2025. Among other things, Veeam Backup & Replication 12.3.2 closes a critical … Continue reading →

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Archetype Market seized by Europol & Eurojust

Posted on 2025-06-17 by guenni

[German]The darknet marketplace for drugs, Archetype Market, was seized and shut down by a Europe-wide law enforcement operation. This law enforcement operation took place in six countries with the support of Europol and Eurojust. Here is a rough overview.

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Googles Cloud "Risk Protection Program" (RPP)

Posted on 2025-06-16 by guenni

[GER]I'm posting some information here on the blog that I received from Google in mid-May 2025. Google Cloud has announced that it is expanding its Risk Protection Program (RPP) to over 30 EMEA markets (including DACH). The program is about … Continue reading →

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October 14, 2025: End of support for Windows 10 and other software

Posted on 2025-06-15 by guenni

[German]On October 14, 2025, Microsoft Windows 10 22H2 will receive security updates for the last time and will then no longer be supported. But there are options to at least secure the operating system. Apart from this issue, other Microsoft … Continue reading →

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EchoLeak: First AI 0-Click vulnerability in Microsoft Copilot

Posted on 2025-06-15 by guenni

[German]Security researchers have discovered the first zero-click vulnerability in an AI application. Unsurprisingly for me, this concerns Microsoft 365 Copilot. Attackers could use this vulnerability, known as EchoLeak, to force Microsoft 365 Copilot to exfiltrate data.

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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 ...

Office-Updates June 2025: Outlook crashes, documents can't be opened

Posted on 2025-06-14 by guenni

[German]The June 2025 security updates for Microsoft Office fixes critical vulnerabilities, but appear to cause serious problems for some users in corporate environments. Document files can no longer be opened in the Office applications. There are also reports of crashes … Continue reading →

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Patchday: Microsoft Office Updates (June 10, 2025)

Posted on 2025-06-12 by guenni

[German]On June 10, 2025 (second Tuesday of the month, Microsoft Patchday), Microsoft released several security-related updates for Microsoft Office 2016, as well as the C2R variants (Office 2016-2021 and 365) and other products. This month, serious vulnerabilities in Office were … Continue reading →

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Windows network vulnerability CVE-2025-33073 (Reflective Kerberos Relay Attack)

Posted on 2025-06-11 by guenni

[German]On June 10, 2025, Microsoft also patched the vulnerability CVE-2025-33073 with the security updates for Windows. This is a vulnerability in the Kerberos network protocol that was discovered by RedTeam Pentesting in January 2025. Below I disclose some information about … Continue reading →

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Patchday: Windows Server-Updates (June 10,  2025)

Posted on 2025-06-11 by guenni

[English]On June 10, 2025 (second Tuesday of the month, Patchday at Microsoft) various cumulative updates were released for the supported versions of Windows Server. Below I have extracted the provided updates including some details for these Windows Server versions (from … Continue reading →

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Patchday: Windows 10/11 Updates (June 10,  2025)

Posted on 2025-06-11 by guenni

[German]On June 10 (second Tuesday of the month, Patchday at Microsoft), Microsoft released cumulative updates for the still supported client operating system versions of Windows 10 and Windows 11. Here are some details about these updates, which are intended to … Continue reading →

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