Microsoft wants you to know that patching the four critical security flaws in Microsoft Exchange Server does not remediate existing compromised systems. Organizations need to patch, and then they need to investigate and, if compromised, stop the attack. Exchange Server Microsoft Certified Master and MVP Jeff Guillet, Microsoft Certified Solutions Master and MVP Michael Van Horenbeeck (a.k.a. Mr. Van Hybrid), Microsoft MVP Paul Robichaux, and CISSP and Quest Software solutions expert Bryan Patton answer questions during the panel discussion on March 12.
Microsoft's Exchange Server woes continued when the online copy of the Hybrid Configuration Wizard was hijacked and replaced by a text file. The problem is now fixed, but it underlines the need for vigilance in all parts of the Microsoft 365 ecosystem.
The Hafnium attack on thousands of on-premises Exchange servers is a wake-up call for their administrators and the organizations using the email service. Ten years ago, it was a reasonable decision to stay on-premises. Five years ago, you could argue the same case and companies with bad network connectivity to the internet or specific security requirements were happy to stay on-premises. Now? In a world of increasing threat, staying on-premises looks a lot more risky. For most, it's time to move to the cloud.
Microsoft has issued critical security updates for Exchange on-premises servers. The fixes close off four known vulnerabilities which expose Exchange to day-zero attacks. It's important to apply these updates ASAP.
MVP Steve Goodman explores in this article why you shouldn't install an Exchange Hybrid Server and provides his expert advice.
If you haven’t already done so, this week you should be applying patches to your Exchange Servers. A reasonably easy to exploit vulnerability has been disclosed by Microsoft as CVE-2020-0688.
If there’s one area that can cause pain further down the road, it is using different internal and external names with Exchange Server. In this blog, Steve Goodman demonstrates how to avoid this and get it right from the start.
Microsoft MVP’s Sigi Jagott, a specialist in Exchange, and Tom Arbuthnot, a specialist in Skype for Business and Teams, discuss the 2019 versions of Exchange Server and Skype for Business Server.
Microsoft announced this week that support for Exchange Server 2010 has been extended until October 13th, 2020. Find out how to prepare here.
Ingo Gegenwarth explores the topic of Hybrid Modern Authentication and provides a how-to guide for registering an application.