This one-day Workshop was held 2 November, 2018, in Hong Kong, China, hosted by Hong Kong Observatory (HKO) at the HKO facility. The Workshop focused on the Filtered Alert Hub software, a cloud-based system for aggregating alerts in the format of the Common Alerting Protocol (CAP) standard and published via Internet news feeds. That software, a demonstration system, and the Team involved in the work are described at http://alert-hub.org.