Exchange Hack News – Test tools from Microsoft and others

Posted on 2021-03-07 by guenni

[German]The Hafnium hacker group has probably managed to compromise hundreds of thousands of Exchange installations worldwide via vulnerabilities. A patch to close the vulnerabilities is available, but it may be too late. However, tools are now available from Microsoft and third parties to check Exchange instances for signs of the hack.

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Windows 10: Enable built-in process/DLL logging

Posted on 2021-03-07 by guenni

[German]A little shortie for the weekend. In Windows 10 there is the option to log processes or the loading of DLLs and drivers. The option can be turned on via the Code Integrity policy.

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

Posted on 2021-03-06 by guenni

[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 vulnerabilities used for attacks. The update has caused malfunctions in one case (ECP stops running and OWA search goes on strike). I am posting the information for administrators here on the blog to help troubleshoot for those affected.

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

Posted on 2021-03-06 by guenni

Windows Update[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 of Exchange servers are accessible via the Internet and are probably already infected. Addendum: It's suspected, that at least 30,000 organizations across the United States have been hacked during the last few days.

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Edge 89.0.774.45 released

Posted on 2021-03-05 by guenni

Edge[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.

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Why ISL Online: Critical factors when choosing a remote desktop solution

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Sita hack affects passenger data from Star Alliance

Posted on 2021-03-05 by guenni

[German]Unpleasant story – the servers of the service provider for airlines, SITA (cooperates with IATA), were hacked. Customer data of air travelers of Star Allicance (among others United) got into the hands of hackers. Singapore Airlines and other airlines  have informed customers.

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Firefox 86: Customize/disable new printing dialog

Posted on 2021-03-05 by guenni

Mozilla[German]In Firefox 86, the Mozilla developers have changed the print dialog and adapted it in the direction of Chrome. However, you can reactivate the system print dialog available in earlier Firefox versions if needed. In the article I take a look at some questions about the print dialog in Firefox 86.

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Google Chrome 89.0.4389.72 fixes exploited 0-day vulnerability

Posted on 2021-03-04 by guenni

[German]Google has already released Google Chrome 89.0.4389.72 on March 2, 2021. The browser should be updated promptly because Google is closing an actively exploited 0-day vulnerability (the 2nd in 2021).

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The New Windows is coming; Windows 10 21H1 already rolled out?

Posted on 2021-03-04 by guenni

[German]Today, a few more topics are summarized in a collective article. For a week now, there has been a rumor that Microsoft will soon be coming around the corner with a "New Windows". And the next version 21H1 of Windows 10 has already been rolled out to many machines without users suspecting it. In addition, Windows Server 2022 has been released as a preview.

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Microsoft Office Patchday (March 2, 2021)

Posted on 2021-03-03 by guenni

[German]On Marchy 2, 2021 (first Tuesday of the month, Office Patchday), Microsoft released several non-security updates for versions of Microsoft Office that are still supported. Here's a brief overview.

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