There are two options: Kaspersky Endpoint Security Cloud and Kaspersky Endpoint Security Cloud Plus. The differences between the two are management features.
Ways to enable Modern Authentication for Microsoft Office on Windows Edit Registery Add a new DWORD registry key named AlwaysUseMSOAuthForAutoDiscover Microsoft Office 365 ProPlus Windows Registry Editor Version 5.00 [HKEY_CURRENT_USER\Software\Microsoft\Exchange] "AlwaysUseMSOAuthForAutoDiscover"=dword:00000001