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On September 24, 2020, the Organization discovered a technical issue that caused the incorrect messaging inbox to be displayed to certain users for a short period of time (i.e. three hours). During this time, users might have inadvertently accessed the messages of other users when attempting to use their own inbox. The Organization investigated and found that a defect in its content delivery network (CDN) caused certain users? API requests to be cached incorrectly. The error was introduced into the Organization?s caching logic through configuration prepared by a third-party service provider.