Logstash0 / Logstash-2

OSSEC + Logstash + Elasticsearch + Kibana

OSSEC

OSSEC ALERTS MANAGEMENT WITH LOGSTASH - ELASTICSEARCH - KIBANA
this is now part of Magento 2 installation script.
https://github.com/magenx/Magento-Automated-Server-Configuration-from-MagenX
https://masc.magenx.com