Windows 11 22H2: Windows Defender Application Control blocks programs, files, network drives, websites (June 2023)

Posted on 2023-06-18 by guenni

Windows[German]To secure Windows, Microsoft recommends Windows Defender Application Control in enterprise environments. The last few days, however, this feature seems to cause issues due to an definition update. I have received reports that users "suddenly" could neither open files nor run programs. Even accessing network drives or opening Internet pages was no longer possible. They were told that the app was blocked by Windows Defender Application Control. It looks like the Microsoft Defender Security Intelligence Update version 1.391.1503.0 is the cause.

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Microsoft's cloud outage was result of a DDoS attack

Posted on 2023-06-17 by guenni

[German]Since June 5, 2023, there have been repeated problems with the availability of the Microsoft cloud and the services offered there. I had speculated in my blog posts that there might be an attack behind it, especially since a hacktivist group Anoynmous Sudan had claimed that. From Microsoft circles it was said uniso "nothing known". Now I have a Post Incident Report For Microsoft 365, that indicates, that there must have been DDoS attacks on Microsoft's cloud.

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Outlook 365 damages PDF and Office files since April 2023

Posted on 2023-06-17 by guenni

[German]Short addendum from this week. I received a tip that Microsoft Outlook 365 has been constantly corrupting Office files – and probably also PDF documents – since April 2023. If you don't have a backup, you may lose attachments – deadly if you have to archive mails including attachments. Microsoft's assumption that this is related to a Windows update and was fixed in June 2023 on patchday is unfortunately incorrect. Here is an overview of the problem.

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Firefox Update 114 enables DoH-this may cause issues

Posted on 2023-06-17 by guenni

Mozilla[German]The days I noticed some comments in my German blog that users report issues with Firefox. The possible cause is the activation of DNS over HTTPS (DoH) and use of the Cloudflare DNS server, as one user told me.

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Windows 11 22H2: Update KB5027231 causes Google Chrome to crash or hang in MalwareBytes

Posted on 2023-06-16 by guenni

[German]Users of Google Chrome browser are facing  issues after installing the Windows 11 22H2update KB5027231 from June 13, 2023. The browser suddenly crashes or does not start anymore. There are reports that it may be related to MalwareBytes, which prevents the launch. MalwareBytes has released a fix that disables exploit protection for Chrome. Another problem case is also discussed in Google's Chrome forums, where the suggested solution is "set Chrome as the default browser".

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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 ...

Google Lens can perform a skin analysis

Posted on 2023-06-16 by guenni

[German]Google announced this week that its product "Google Lens", which is included in Google's camera app on Android (but is also available on iOS), has been expanded to include various functions. One function allows the analysis of images of the skin – to detect abnormalities there that suggest a clarification by a doctor.

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Edge Privacy: "Super Resolution" sends image url to Microsoft

Posted on 2023-06-16 by guenni

Edge[German]Microsoft's developers have implemented a feature called "Super Resolution" in the Edge browser, which is supposed to improve the quality of the images displayed in the browser. The horse's foot, which in my eyes is a GAU in terms of data protection: The URLs of the images in question are transferred to Microsoft servers in order to execute the function. The case shows that the topic of data protection is not (anymore) present in the Microsoft universe.

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June 2023 Patchday (KB5028407): Windows Kernel vulnerability CVE-2023-32019 requires registry fix

Posted on 2023-06-15 by guenni

Windows[German]Another addendum to the patchday (June 13, 2023), in which Microsoft also addressed a vulnerability in the Windows kernel. Information can be accessed via the vulnerability CVE-2023-32019. Redmond has released updates for the affected Windows systems. However, to seal the vulnerability, administrators must actively set a registry entry under Windows.

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Microsoft Office Updates (June 13, 2023)

Posted on 2023-06-15 by guenni

Update[German]On June 13, 2023 (second Tuesday of the month, Microsoft Patchday), Microsoft released several security-related updates for still-supported Microsoft Office versions and other products. With the April 2023 patchday, support for Office 2013 ended – but vulnerabilities were still closed in June. Below is an overview of the available updates.

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Google Chrome 114.0.5735.133/134

Posted on 2023-06-14 by guenni

Chrome[English]Google has released updates to Google Chrome browser 114 in the stable channel for Mac, Linux and Windows as of June 13, 2023 (I just saw the notice on Twitter). These are security updates that fix critical vulnerabilities (including CVE-2023-3214).

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