Category Archives: Software

Exchange isues with ECP/OWA search after installing security update (March 2021)

[German]Brief information for administrators of Microsoft Exchange servers who have yet to install the March 2021 security update. The security update released this week by Microsoft for Microsoft on-premise Exchange servers (2010 to 2019) is indeed intended to close four … Continue reading

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Important notes from Microsoft regarding the Exchange server security update (March 2021)

[German]Microsoft warns, that installing the March 2021 cumulative security updates for Exchange servers need to be done with administrative privileges. Otherwise the patch will not close the vulnerabilities.  In addition, German BSI (Federal Office for Information Security) warns that thousands … Continue reading

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Edge 89.0.774.45 released

[German]Microsoft has released the update to Edge 89.0.774.45 on March 4, 2021. It is a new development branch, with this version fixing various vulnerabilities that have already been fixed in Google Chrome. Here is some information about it. Advertising

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Exchange server 0-day exploits are actively exploited

[German]Microsoft warns: Four 0-day vulnerabilities are combined for targeted attacks on Exchange via Outlook Web App. Administrators of on-premises Microsoft Exchange servers should urgently respond and install the updates released on March 2, 2021. A security update is also still … Continue reading

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Adobe Acrobat (Reader) DC 21.001.20142

[German]Adobe had to ship another update for Adobe Acrobat and Reader DC, after a recent hotfix corrected a bug (see Adobe Reader/Acrobat DC Hotfix 21.001.20138 fixes install error 1722), followed by bug fix version 20140. Advertising

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VMware fixes critical RCE vulnerabilities im vSphere HTML5 client

[German]VMware warns its users about critical RCE vulnerabilities in the vSphere HTML5 Client and other products. Security updates are now available for the affected products. Advertising

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Thunderbird 78.8.0 released

[German]he developers of the email client Thunderbird have released Thunderbird 78.8.0 on February 23, 2021. It is a maintenance update for the 78 main version of the email client, which fixes bugs and closes vulnerabilities. Advertising

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China Flash Player shipped with malicious Adware

[German]After the end of Flash support, a Flash player is offered on a website In China that behaves like adware and opens browser windows to display advertisements. This case, revealed by security researchers, proves how risky downloading software from unofficial … Continue reading

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Tip: PSSysadminToolkit; PowerShell Scripts for Administrators

[German]Small tip for administrators of Windows systems in corporate environments. Steviecoaster has published a collection of PowerShell scripts on Github that administrators can use to determine certain information very easily. Advertising

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Firefox 86.0.0 and 78.8.0 ESR released

[German]Mozilla’s developers have released version 86.0.0 and 78.8.0 ESR of the Firefox browser on February 23, 2021. The FF 86 is a new development branch and the ESR is a security update that fixes vulnerabilities, but also aims to fix … Continue reading

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