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Tag Archives: Exchange
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
USA, EU, NATO, Microsoft & Co. Blame China for Hafnium Exchange Hack
[German]At the end of February, beginning of March 2021, there was a massive attack on Microsoft Exchange Server (see Exchange server 0-day exploits are actively exploited), in which many thousands of instances were hacked worldwide. Even then, the attacks were … Continue reading
Exchange security updates from July 2021 breaks ECP and OWA
[German]As of July 13, 2021, Microsoft has released security updates for Exchange Server 2013, Exchange Server 2016 and Exchange Server 2019. These July updates are intended to address vulnerabilities reported by external security partners and found by Microsoft's internal processes … Continue reading
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Tagged Exchange, issues, Patchday 7.2021, Update
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Security updates for Exchange Server (July 2021)
[German]Microsoft has released security updates for Exchange Server 2013, Exchange Server 2016 and Exchange Server 2019 as of July 13, 2021. These July updates are required to address vulnerabilities reported by external security partners and found through Microsoft's internal processes. … Continue reading
Exchange 2016/2019: Outlook problems due to AMSI integration
[German]A brief note for administrators of a Microsoft Exchange Server 2016/2019. With CU21 (Exchange 2016) and CU10 (Exchange 2019) an AMSI integration was introduced to support third-party virus scanners. However, this integration causes severe problems with Outlook with various antivirus … 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 ...
Cumulative Exchange CUs June 2021 released
[German]Microsoft had delayed the quarterly cumulative updates for Exchange Server, which actually come out on the third Tuesday of each month, to the end of the month (see info June 2021 Cumulative Update for Exchange Server postphoned). However, as of … Continue reading
June 2021 Cumulative Update for Exchange Server postphoned
[German]Microsoft normally releases the quarterly cumulative updates (CUs) for Exchange Server on the third Tuesday of the month. This would be regularly on June 15, 2021. The days Microsoft informed in a tech community post that the June CUs for … Continue reading
Epsilon Red ransomware targets unpatched Exchange servers
[German]Brief warning to administrators of Microsoft Exchange servers. While investigating an attack on a major U.S. hospitality company, security firm Sophos has discovered a new ransomware called Epsilon Red. Red Epsilon exploits unpatched vulnerabilities in Microsoft Exchange servers to infect … Continue reading
Security Updates (KB5003435) for Microsoft Exchange Server (May 11, 2021)
[German]Microsoft has announced on May 11, 2021 – the expected (see Is a hotfix for Microsoft Exchange coming today? (May 11, 2021)) Security updates released for Exchange Server 2013, Exchange Server 2016 and Exchange Server 2019. This is to immediately … Continue reading
Is a hotfix for Microsoft Exchange coming today? (May 11, 2021)
[German]A brief note and heads up for administrators of Microsoft Exchange on-premises systems. Reserve some time today (05/11/2021) to patch Exchange servers. If the available information is correct, Microsoft is rolling out a critical hotfix for Microsoft Exchange Server in … Continue reading