If you want to delete a credential, simply click on the checkbox to the left and click the Bulk Action and then Delete button. The encrypted credential is removed from the database and can't use used by Sandfly any longer.
Credentials Deletion In Sandfly
When you delete a credential in Sandfly it is deleted from the server. Since the nodes never store these encrypted credentials, it is no longer accessible by the nodes either.
Updated 2 months ago