What’s the security implication of changing the default client type from confidential to public in Azure AD?

Bac Hoang [MSFT]

From time to time, I get asked this question by a few different customers especially when they encounter the error “AADSTS7000218: The request body must contain the following parameter: ‘client_assertion’ or ‘client_secret’” when authenticating to Azure AD. The error is related to the following Default client type setting in the Authentication blade of a registered application: By default the setting is set to No (confidential client). Changing to ‘Yes’ converts…

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