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Category Archives: Security
Windows network vulnerability CVE-2025-33073 (Reflective Kerberos Relay Attack)
[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
Patchday: Windows Server-Updates (June 10, 2025)
[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
Posted in Security, Update, Windows
Tagged Patchday 6.2025, Security, Update, Windows Server
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Patchday: Windows 10/11 Updates (June 10, 2025)
[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
Posted in Security, Update, Windows
Tagged Patchday 6.2025, Security, Update, Windows 10, Windows 11
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Microsoft Security Update Summary (June 10, 2025)
[German]Microsoft released security updates for Windows clients and servers, Office and other products on June 10, 2025. The security updates eliminate 65 vulnerabilities (CVEs), two of which were classified as 0-day. One vulnerability has already been attacked. The following is … Continue reading
Acronis Cyber Protect vulnerabilities jeopardize Linux and Windows systems
[German]Acronis Cyber Protect security vulnerabilities endanger Windows systemsShort note for users who use Acronis Cyber Protect in a Windows environment. There is a current security warning from the German Federal Office for Information Security (BSI). Several vulnerabilities in the product … 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 ...
Attention: June 2025 Patchday closes vulnerability CVE-2025-33073 in Windows
[German]On June 11, 2025, Microsoft will hold its regular patch day and release security updates for Windows. Administrators in companies should install the security updates promptly this time, as a vulnerability CVE-2025-33073 in Windows is to be closed. At the … Continue reading
Posted in Security, Update, Windows
Tagged Patchday 6.2025, Security, Update, Windows
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ConnectWise updates server certificates, update your software before June 10, 2025
[German]Does anyone use software from ConnectWise (e.g. ScreenConnect)? This evening I received an email from a blog reader pointing out an announcement from ConnectWise that is quite urgent. By tomorrow, June 10, 2025, 15:00 CET, users must update the provider's … Continue reading
Hacking group UNC6040 attacks Salesforce instances via vishing
[German]I'm posting some more information here that I received from the Google Threat Intelligence Group (GTIG). The security experts have come across a campaign by the hacker group UNC6040 that uses voice phishing (vishing) to compromise Salesforce instances and steal … Continue reading
Chrome and Edge emergency updates – and trouble in Chrome/Edge 137
[German]Short addendum from the last few days. Both Google had to provide the Chrome browser and Microsoft had to provide the Chromium-based Edge browser with an urgent security update. This is due to security vulnerabilities that have probably been exploited … Continue reading
Microsoft launches "European Security Program"
[German]Microsoft is currently intensively courting the European market in order to retain customers in the government sector. To this end, Redmond has announced a European Security Program. This new initiative is designed to strengthen cyber security across Europe and is … Continue reading