Abstract: It is made possible to grasp a situation and to more quickly provide handling when a failure occurs in a monitored system. A monitoring system 10 includes: an event management section 37 that manages a plurality of events occurring in a monitored system 20; an event analysis section 34 that analyzes the plurality of events, based on components of the monitored system 20, timings of occurrence of the plurality of events, and records of handling performed in the past, and classifies relatedly occurring events into the same group; and a notification section 32 that notifies the plurality of events on a group basis.