Microsoft to retire the OWA Light client in Exchange Server

Summary

Microsoft is retiring the OWA Light client in Exchange Server in an upcoming update. This decision aims to simplify support by consolidating client code and focusing resources on the full OWA client.

IFF Assessment

FOE

The retirement of OWA Light might force users to adopt the full OWA client, potentially exposing them to vulnerabilities or requiring upgrades that could introduce new security considerations.

Defender Context

Organizations using Exchange Server should be aware of this change and plan for the deprecation of OWA Light. Defenders should ensure their systems are updated and users are aware of the transition to the full OWA client to avoid any potential security gaps or compatibility issues.

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