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Category Archives: Security
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.
Google Chrome 92.0.4515.159 with security fixes
[German]Google has released Google Chrome 92.0.4515.159 for Windows, Mac and Linux as of August 16, 2021. It is a maintenance update that fixes 9 vulnerabilities, many assigned a priority of High, in older browser versions. The Android version improves stability.
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
Microsoft explains SMB signing configuration
[German]Another brief information for administrators in the enterprises. Microsoft enables SMB signing for the relevant network protocol. This is to ensure the security of the communication. However, the whole thing is probably a bit complex, if I interpret this correctly. … Continue reading
T-Mobile (USA) investigates possible data leak involving 100 million customer records
[German](US) mobile carrier T-Mobile is investigating whether there was a data leak or hack. This is because 100 million customer records, some of which reveal very detailed information, were offered in an underground forum, allegedly from this provider. The provider … 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 ...
Windows 365: Logon data can be dumped in plain text
[German]Microsoft only introduced its Windows 365, which runs Windows 10 on Azure, at the beginning of August 2021 and also released it for customers. There is also a test version that interested parties can take a look at. Now, security … Continue reading
Vice Society: 2. Ransomware gang uses Windows PrintNightmare vulnerability for attacks
[German]In my blog post Ransomware gang uses PrintNightmare to attack Windows servers, I had reported about the first case where the PrintNightmare vulnerability was used to attack Windows. Now Talos Security has already come across the second case, reporting that … 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
Microsoft Security Update Revisions & August 2021 patchday security fixes
[German]Microsoft has closed a number of vulnerabilities with updates on patchday (August 10, 2021). I have an overview that I am posting for the sake of completeness. In addition, Microsoft has distributed two security update revisions in the days in … Continue reading