![]() ![]() The following recommendations, listed in alphabetical order, should be treated as high priorities when hardening Microsoft Office deployments. Finally, as Group Policy settings for Microsoft Office are periodically updated by Microsoft, care should be taken to ensure the latest version is always used. For cloud-based policy configurations, equivalents are available in Microsoft 365 Apps admin centre for many of the Group Policy settings. Once downloaded, the ADMX and associated ADML files can be placed in %SystemDrive%\Windows\SYSVOL\domain\Policies\PolicyDefinitions on the Domain Controller and they will be automatically loaded in the Group Policy Management Editor. The Group Policy Administrative Templates for Microsoft 365, Office 2021, Office 2019 and Office 2016 can be obtained from Microsoft. ![]() Before implementing the recommendations in this publication, testing should be undertaken to ensure the potential for unintended negative impacts on business processes is reduced as much as possible. This publication provides recommendations on hardening Microsoft 365, Office 2021, Office 2019 and Office 2016 applications. ![]() Hardening applications on workstations is an important part of reducing this risk. Microsoft did not say when it would drop Basic Auth support, however.įor those who haven't yet dispensed with the old Outlook clients, Microsoft recommended - as it has confidently - that they switch to the subscription model of Office 365 or Microsoft 365, which provides always-up-to-date client software.Workstations are often targeted by adversaries using malicious websites, emails or removable media in an attempt to extract sensitive information. Microsoft explained that the older Outlook 2007 and Outlook 2010 clients will be incompatible with two upcoming changes to services, including an end to support for Basic Authentication - essentially, the long-standard username password combination - that was postponed in February 2021. 1 deadline really will cut older Outlook clients from Microsoft's services. "We won't take any active measures to block other versions of the Office client, such as Office 2013, from connecting to Office 365 services, but these older clients may encounter performance or reliability issues over time," the developer said then. At the time, Microsoft had been surprisingly gracious, saying that while support would officially end, that didn't necessarily mean the end of connectivity. ![]()
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