We have JIRA Software and ServiceDesk running in one instance, we use Software heavily for internal projects which has a considerable amount of sensitive information related to our business, products and services. Our Service & Support team want to open ServiceDesk to allow external customers access to log and monitor their cases/requests including access to Confluence for a Knowledge Base which we use for internal documentation as well.
I was wondering if anyone else has a similar scenario and what the risks of an external customer gaining access to internal data would be using this method or are we better off separating the two services and having a dedicated JIRA ServiceDesk instance for our external customers?