The invention relates to a method and a system for administering incident pools for event and alert analysis. Administering incident pools including creating a pool of incidents, the pool having a predetermined initial period of time; assigning each received incident to the pool; assigning, by the incident analyzer, to each incident a predetermined minimum time for inclusion in a pool; extending for one or more of the incidents the predetermined initial period of time of the pool by a particular period of time assigned to the incident; determining whether conditions have been met to close the pool; and if conditions have been met to close the pool determining for each incident in the pool whether the incident has been in the pool for its predetermined minimum time for inclusion in a pool; and if the incident has not been in the pool for its predetermined minimum time, evicting the incident from the closed pool and including the incident in a next pool.