Category Archives: Security

Colonial Pipeline Attack: Wasted $5 Million and uses vulnerable Exchange Servers

[German]The dust is slowly lifting around the successful ransomware attack on the US utility Colonial Pipeline. In the meantime, it has become known that the company probably "wasted" a ransom of 5 million US dollars. There was a decryption key, … Continue reading

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DarkSide gang lost access to it's servers

[German]The DarkSide cyber gang, responsible for many ransomware attacks provided "as-a-service" announced it's shutdown after they lost control of it's servers. They claim that their servers where seized and the cryptocurrency was transferred from their account to an unknown wallet. … Continue reading

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Caution: E-mails with fake appointment invitations (May 2021)

[German]SPAM e-mails with fake appointment invitations from unknown persons are piling up in mailboxes. The complaints about such fake invitations are raising. The scan is a clever way to steal and/or abuse data of the recipients. After I received such … Continue reading

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Microsoft's confirmation of a WSUS sync issue – failing to receive updates (May 11, 2021)

[German]As of May 11, 2021, administrators found that no Windows updates were found in the Windows Server Update Service (WSUS). After a few hours, the problem resolved. Now Microsoft has confirmed the problem nor provided some hints.

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Patchday Microsoft Office Updates (May 11, 2021)

[German]On May 11, 2021 (second Tuesday of the month, Microsoft Patchday), Microsoft has released several security-related updates for still supported Microsoft Office versions and other products. Here is an overview of the available updates.

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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 ...


FragAttack: Attack on WLAN devices

[German]German BSI and security researchers has issued a warning because a vulnerability called FRAGAttack allows millions of WLAN devices to be attacked locally. The vulnerability affects all WLAN standards (up to WPA3). Fortunately, this vulnerability can only be attacked if … Continue reading

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Adobe Acrobat (Reader) DC 21.001.20155

[German]Adobe released a security update for Adobe Acrobat (Reader) DC to version 21.001.20155 on May 11, 2021. The release notes provide download addresses for the Windows and macOS installers. Security bulletin APSB21-29 states that the update to the product is … Continue reading

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Patchday: Windows 7/Server 2008 R2-Updates (May 11, 2021)

[German]As of May 11, Microsoft has released various updates for Windows 7 SP1 systems that are still in ESU support. However, these security updates are also available for Windows Server 2008 R2 with ESU support. Here is some information about … Continue reading

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Patchday: Windows 8.1/Server 2012-Updates (May 11, 2021)

[German]As of May 11, Microsoft has released various updates for Windows 8.1. These security updates are also available for Windows Server 2012 R2. Here is some information on the Monthly Rollup and Security only updates for these operating systems.

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Patchday: Windows 10-Updates (May 11, 2021)

[German]On May 11, 2021 (Microsoft's second Tuesday of the month patchday), several cumulative updates were released for supported Windows 10 builds. Here are some details about the respective security updates for the May 2021 patchday.

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