Used as eBay's internal SIEM. Kafka, Flink, and Hadoop.

Rheos has opened a new chapter in many aspects at eBay. With Rheos, eBay data can now be securely extracted and moved from a data store, application, or other source to one or more locations in a real-time manner. Stream processing has opened up new possibilities for eBay businesses, fraud detection, monitoring, analytics, and more at eBay.