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# com.apple.developer.endpoint-security.client

The entitlement required to monitor system events for potentially malicious activity.

## Discussion

You must request this entitlement from Apple. For information about how to request the entitlement, see [System Extensions and DriverKit](https://developer.apple.com/system-extensions/).

If your app or extension lacks this requirement, <doc://com.apple.documentation/documentation/EndpointSecurity/es_new_client(_:_:)> fails with the result <doc://com.apple.documentation/documentation/EndpointSecurity/ES_NEW_CLIENT_RESULT_ERR_NOT_ENTITLED>.

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