Security Onion 16.04.6.2 20190826 releases: Linux distro for intrusion detection, enterprise security monitoring, and log management

Security Onion

Security Onion is a free and open source Linux distribution for intrusion detection, enterprise security monitoring, and log management. It includes Elasticsearch, Logstash, Kibana, Snort, Suricata, Bro, OSSEC, Sguil, Squert, NetworkMiner, and many other security tools. The easy-to-use Setup wizard allows you to build an army of distributed sensors for your enterprise in minutes!

Below are several diagrams to represent the current architecture and deployment scenarios for Security Onion on the Elastic Stack.

High-Level Architecture Diagram

Core Components

Logstash – Parse and format logs.
Elasticsearch – Ingest and index logs.
Kibana – Visualize ingested log data.

Auxiliary Components

Curator – Manage indices through scheduled maintenance.
ElastAlert – Query Elasticsearch and alert on user-defined anomalous behavior or other interesting bits of information.
FreqServer -Detect DGAs and find random file names, script names, process names, service names, workstation names, TLS certificate subjects and issuer subjects, etc.
DomainStats – Get additional info about a domain by providing additional context, such as creation time, age, reputation, etc.

Changelog v16.04.6.2 20190826

  • Elastic 6.8.2, Wazuh 3.9.5, and updated packages for Setup, CapMe, and sostat

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Anastasis Vasileiadis

PC Technical || Penetration Tester || Ethical Hacker || Cyber Security Expert || Cyber Security Analyst || Information Security Researcher || Malware analyst || Malware Investigator || Reverse Engineering

SC ProDefence SRL - Cyber Security Services