#exchange-server

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#microsoft

End of support for older Office, Exchange Server versions

Microsoft Office versions 2016 and 2019 will lose support in 2025, pushing users toward cloud solutions.
Exchange Server options are limited post-2019, with a delayed follow-up uncertain.
Skype for Business is also being phased out in favor of Teams by October 2025.

Microsoft fixes Exchange Server issue after November 2024 Security Update

Microsoft fixed an issue caused by the November 2024 Security Update for Exchange Server that disrupted transport rules and email traffic.

Microsoft patches the patch that broke Exchange Server

Microsoft has resumed its Security Update rollout for Exchange after resolving issues that disrupted email flow and transport rules.

End of support for older Office, Exchange Server versions

Microsoft Office versions 2016 and 2019 will lose support in 2025, pushing users toward cloud solutions.
Exchange Server options are limited post-2019, with a delayed follow-up uncertain.
Skype for Business is also being phased out in favor of Teams by October 2025.

Microsoft fixes Exchange Server issue after November 2024 Security Update

Microsoft fixed an issue caused by the November 2024 Security Update for Exchange Server that disrupted transport rules and email traffic.

Microsoft patches the patch that broke Exchange Server

Microsoft has resumed its Security Update rollout for Exchange after resolving issues that disrupted email flow and transport rules.
moremicrosoft

Comprehensive Exchange Server recovery plan for IT and exchange admins

A prepared recovery plan enables swift restoration of Exchange Server services post-disaster, minimizing downtime and data loss.
#cybersecurity

Zero Day Initiative - Exploiting Exchange PowerShell After ProxyNotShell: Part 4 - No Argument Constructor

The PowerShell Remoting ConvertViaNoArgumentConstructor mechanism led to the discovery of three vulnerabilities in Exchange despite hardening efforts.

Zero Day Initiative - Exploiting Exchange PowerShell After ProxyNotShell: Part 1 - MultiValuedProperty

The ProxyNotShell vulnerability chain illustrates that patches can be circumvented, allowing for potential attacks even after fixes are released.

Zero Day Initiative - Exploiting Exchange PowerShell After ProxyNotShell: Part 4 - No Argument Constructor

The PowerShell Remoting ConvertViaNoArgumentConstructor mechanism led to the discovery of three vulnerabilities in Exchange despite hardening efforts.

Zero Day Initiative - Exploiting Exchange PowerShell After ProxyNotShell: Part 1 - MultiValuedProperty

The ProxyNotShell vulnerability chain illustrates that patches can be circumvented, allowing for potential attacks even after fixes are released.
morecybersecurity

Admin deleted more than they bargained for

Pat demonstrated the importance of collaboration and consensus among team members when making system changes.
Recognizing unnecessary components, like admin mailboxes, can lead to improved system efficiency.
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