Category Archives: Security

Windows Server 2019/2022: Microsoft Defender for Endpoint fails after Nov. 2021 updates

[German]Short message for administrators who are already productive with Windows Server 2019 or even Windows Server 2022 and use Microsoft Defender for Endpoint as virus protection. Microsoft has admitted that after installing certain updates on these Windows Server versions, problems … Continue reading

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Windows attacks via 0-day in installer and vulnerability in MSHTML

[German]Attackers are exploiting a now-patched CVE-2021-40444 vulnerability in Microsoft's MSHTML routines to attack Windows systems. And the 0-day vulnerability in Windows Installer that I addressed here on the blog the other days is being exploited by malware for privilege escalation. … Continue reading

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GoDaddy hack also affects hosting resellers

[German]A few days ago, the US registrar and hoster GoDaddy made public a major hack in which the attacker had access to 1.2 million customer records. My mind immediately went "is HostEurope as a subsidiary also affected". In the meantime, … Continue reading

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Black Friday spam campaigns in the starting blocks

[German]November 26, 2021 is Black Friday – almost everything is free – and some people's brains are also out. This also attracts cyber criminals, who increasingly attack consumers with online shopping scams. The telemetry data from Bitdefender Labs also documents … Continue reading

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Vulnerability in MediaTek chips used in Android smartphones

[German]Security researchers from Check Point have discovered a vulnerability in an Android APU, the APU is the AI Processing Unit in MediaTek chips. The security researchers warn that users can be eavesdropped via the audio processor. The Mediatek chips are … Continue reading

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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 ...


YARP: Yet Another Reverse Proxy

[German]Today a short info splitter for tinkerers among the blog readership. With YARP (stands for Yet Another Reverse Proxy) a free framework is available to generate a reverse proxy. The framework has been provided by Microsoft teams.

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0-Day LPE Vulnerability in Windows Installer (Nov. 2021)

[German]A security researcher has found a 0-day vulnerability in Windows Installer that allows a local attacker to gain administrative privileges. The 'Windows Installer Elevation of Privilege' vulnerability CVE-2021-41379 has been patched in November 2021. But there is a workaround, the … Continue reading

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Hoster GoDaddy hacked, and 1.2 Millions of customers affected

[German]This is a heavy stroke for many people with web presences. The US hoster GoDaddy has become a victim of a cyberattack. The attackers managed to gain access to the Managed WordPress hosting environment of this provider.

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QNAP has released NAS security updates and disabled an app

[German]NAS system vendor QNAP has released security updates for its firmware. In addition, an app is disabled for security reasons, because remote attackers can inject code into the firmware of the NAS storage. It seems that there is no security … Continue reading

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Cyber attack on Danish wind turbine manufacturer Vestas (Nov. 2021)

[German]Last week Friday, November 19, 2021 there seems to have been a cyber attack on the Danish wind turbine manufacturer Vestas. The company had to shut down its IT systems as a result and is currently trying to bring IT … Continue reading

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