SecurityOnion documentation

SecurityOnion is an open-source Linux distribution for intrusion detection, network security monitoring, and log management. It is designed to provide comprehensive security monitoring and analysis capabilities. Key features of SecurityOnion include:

• Intrusion Detection Systems (IDS): Integrates with tools like Snort, Suricata, and Zeek (formerly known as Bro) to detect malicious activities and anomalies in network traffic.
• Network Security Monitoring (NSM): Provides full packet capture and analysis using tools like Zeek, which enables deep inspection of network traffic.
• Log Management: Centralizes and analyzes logs from various sources using Elasticsearch, Logstash, and Kibana (ELK stack) for efficient log management and visualization.
• Host-based Intrusion Detection (HIDS): Includes OSSEC for monitoring and analyzing the security status of host systems.
• Scalability and Deployment: Supports scalable deployment options, from single sensors to distributed deployments in large environments.
• Data Visualization and Analysis: Uses Kibana for visualizing security events and analyzing network traffic data, allowing for quick identification of potential threats.
• Incident Response: Facilitates incident response processes with built-in tools for investigating and responding to security incidents.
• Ease of Use: Provides a comprehensive setup wizard and user-friendly interface to simplify installation, configuration, and management.

SecurityOnion is widely used by security professionals for its robust features and ability to provide in-depth security monitoring and analysis. If you have specific questions or need more information about any feature, feel free to ask!