What is Security Onion?
Security Onion is a free and open-source Linux distribution designed for intrusion detection, network security monitoring, and log management. It is based on the Ubuntu Linux operating system and provides a comprehensive platform for security professionals to monitor and analyze network traffic, detect potential threats, and respond to incidents. With its robust feature set and user-friendly interface, Security Onion has become a popular choice among security teams and IT professionals.
Main Features
Security Onion offers a wide range of features that make it an ideal solution for security monitoring and incident response. Some of its key features include:
- Network traffic capture and analysis
- Intrusion detection and alerting
- Log collection and analysis
- Incident response and remediation
- Compliance monitoring and reporting
Installation Guide
System Requirements
Before installing Security Onion, ensure that your system meets the minimum requirements:
- Processor: 64-bit dual-core processor
- Memory: 4 GB RAM (8 GB or more recommended)
- Storage: 30 GB or more free disk space
- Operating System: 64-bit Ubuntu 18.04 or later
Installation Steps
Follow these steps to install Security Onion:
- Download the Security Onion ISO file from the official website.
- Create a bootable USB drive using the ISO file.
- Boot the system from the USB drive and follow the installation prompts.
- Select the installation type (e.g.,