Category Archives: Software

WordPress plugin Responsive Menu: Serious security vulnerability patched

[German]Administrators of a WordPress installation who use the Responsive Menu plugin should update it urgently (if not done automatically). The developers have fixed several serious vulnerabilities that allow WordPress installation takeover.

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New vulnerabilities discovered in TCP/IP stacks, patches for Windows TCP/IP vulnerabilities

[German]Security researchers have found vulnerabilities in nine TCP/IP stacks (according to Amnesia:33), and issued a warning. Microsoft has closed three critical vulnerabilities in the Windows TCP/IP stack as of February 9, 2021, on the occasion of February Patchday.

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Adobe Reader/DC Update (Feb. 9, 2021) drops error 1722 in Windows

[German]German blog reader Martin E. alerted me last night to a problem with yesterday's Adobe Reader/Acrobat DC security update. There are massive installation problems on Windows with the Adobe Reader /Acrobat DC security update dated February 9, 2021 (the setup … Continue reading

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Microsoft Security Update Summary (February 9, 2021)

[German]On February 9, 2021, Microsoft released security updates for Windows clients and servers, for Office, Internet Explorer, and so on. Here you can find a compact overview of these updates. A list of the updates can be found on this … Continue reading

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Hacker tried to poison water supply of a Florida city

[German]A nightmare of hackers using the Internet to manipulate a city's water supply and make drinking water undrinkable or even poison it has come true again in the United States. A hacking operation in which an intruder spent minutes opening … 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 ...


Windows 10: .NET-Framework Updates KB4598301 and KB4598299 are causing crashes

[German]The .NET Framework updates KB4598301 (Jan. 2021) and KB4598299 (Feb. 2021) are proving to be a problem for some users, causing crashes (STATUS_FATAL_USER_CALLBACK_EXCEPTION) in WPF applications built with Visual Studio.

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WordPress Version 5.6.1 released

On February 3, 2021, the developers have released WordPress version 5.6.1. It is a maintenance update that is supposed to fix 20 bugs (7 of them in the blog editor) of version 5.6. The release notes can be read here. … Continue reading

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Microsoft Defender ATP quarantined Chrome Update as PHP-Backdoor

[German]According to reports from administrators, Microsoft Defender ATP seems to have incorrectly classified the latest 88 version updates of the Google Chrome browser as malware and quarantined them. However, the problem is now said to have been fixed by a … Continue reading

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Skype for Business Online – shuts down on July 31, 2021

[German]A small reminder for administrators and users in the business environment who are still using Skype for Business Online. This service will be shut down as scheduled on July 31, 2021 and then replaced by Microsoft Teams.

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Hints for HP Printer Firmware Downgrade

[German]In this blog post, I provide advice on how users who have been surprised by an automatic firmware upgrade on HP printers can get the devices back to the previous firmware, if necessary. This is helpful, if an unwanted HP … Continue reading

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