To deactivate your connection to Carbon Black File Reputation, use the same panel on the System Configuration page Licensing tab that was used for activation.

The deactivate option on the Carbon Black Collective Defense Cloud Activation panel

When you click Deactivate, a dialog box warns that trust and threat information will no longer be provided. You must confirm deactivation in that dialog box.

The key that you previously provided to activate the service is stored so that you can reactivate your Carbon Black File Reputation connection by clicking the Reactivate button.

The reactivate option on the Carbon Black Collective Defense Cloud Activation panel