Security Onion is a free and open Linux distribution for threat hunting, enterprise security monitoring, and log management. The easy-to-use Setup wizard allows you to build an army of distributed sensors for your enterprise in minutes!
Security Onion includes Elasticsearch, Logstash, Kibana, Suricata, Zeek (formerly known as Bro), Wazuh, Stenographer, CyberChef, NetworkMiner, and many other security tools.