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Category Archives: Software
Thunderbird 91.0.1
[German]The developers of the Thunderbird email client released Thunderbird 91 a week ago (only available as a download and not as an update). Now a maintenance and security update to version 91.0.1 has been released as of August 17, 2021.
Firefox 91.0.1 and 91.0.1 ESR
[German]The Mozilla developers had only released version 91.0.0 (including the ESR version) on August 10, 2021, but now had to postpone the 91.0.1 update of the Firefox browser to October 17, 2021. The version 91.0.1 is a maintenance update, which … Continue reading
.NET Framework 4.x Update KB5004757 (2021-08-10)
[German]Short addendum from this week. Microsoft has also released an update for the .NET Framework. The Security and Quality Rollup Update KB5004757 for .NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2 is available for Windows 7 SP1, Windows Server 2008 … Continue reading
Kaseya: Decryption key revealed, backup update closes vulnerabilities
[German]Small article at the end of the week, concerning the US vendor Kaseya. After the supply chain attack on Kaseya RMI software and encryption of numerous customer systems, a decryption key has surfaced in an underground forum. In addition, a … Continue reading
Attacks on Exchange Server via ProxyShell vulnerability (8/13/2021)
[German]I'm bringing this up again before the weekend, even though the readership of this blog is probably well informed and keeps the Exchange servers up to date with the latest patches. It's Friday the 13th and we're about to hit … 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 ...
Thunderbird 78.13.0
[German]The developers of the Thunderbird email client have released Thunderbird 78.13.0 on August 10, 2021. This is a maintenance and security update for the 78 development branch that should fix several bugs and vulnerabilities.
Microsoft Security Update Summary (August 10, 2021)
[German]On August 10, 2021, Microsoft released security updates for Windows clients and servers, for Office, etc. – as well as for other products – were released. Below is a compact overview of these updates released on the August 2021 patchday.
Exchange Server: Update on ProxyShell vulnerabilities
[German]Unknown thread actors are scanning the Internet for Microsoft Exchange servers that are updated to March 2021 and are not protected against the ProxyLogon vulnerability. CERT-Bund warns, and calls for patching. Meanwhile, there are advanced Sigma rules for administrators to … Continue reading
Chrome/Edge 92: Problems with TLS decryption?
[German]Question: Has anyone experienced problems with Google Chrome 92 or its Edge counterpart when the called domain starts with the letter a (Amazon, Autodesk, etc.)? The tentatively rolled out CECPQ2 may be clashing with Fortigate 6.4.5 and the overarching Palo … Continue reading
Exchange vulnerabilities: Will we see Hafnium II?
[German]Are we soon seeing a second hafnium disaster, in which Exchange servers are attacked and taken over via vulnerabilities? At the BlackHat 2021 conference, security researcher Orange Tsai spoke about new vulnerabilities in Microsoft Exchange and, in addition to old … Continue reading