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Security Onion Concepts and Basic Functionality

Matt Glass

Security Onion is an open source threat hunting, enterprise security monitoring, and log management tool. This course will teach you the capabilities, configuration, and basic operation of Security Onion.

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Security Onion is an open source threat hunting, enterprise security monitoring, and log management tool. This course will teach you the capabilities, configuration, and basic operation of Security Onion.

Are you looking for a security tool that combines multiple open source tools into one single monitoring system? In this course, Security Onion Concepts and Basic Functionality, you’ll learn to configure and operate Security Onion. First, you’ll explore Security Onion’s capabilities. Next, you’ll discover how to install and configure Security Onion. Finally, you’ll learn how to review the analyst tools and dashboard. When you’re finished with this course, you’ll have the skills and knowledge of Security Onion needed to install, configure, and operate it.

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What's inside

Syllabus

Course Overview
Security Onion Overview
Installing and Configuring Security Onion
Security Onion Toolset
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Good to know

Know what's good
, what to watch for
, and possible dealbreakers
Security Onion's instructors are recognized for their work in tools and methods that explore security at application and system levels
Security Onion teaches the capabilities, configuration, basic operation, and review of its Dashboard and tools
Security Onion's tools are especially useful for enterprise threat hunting and security monitoring
This course comes with a good mix of videos, hands-on labs, and interactive materials

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Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in Security Onion Concepts and Basic Functionality with these activities:
Review content for Security Onion
Start by reviewing past coursework or study materials on the foundational concepts of Security Onion, ensuring you grasp the core principles before the course commences.
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  • Read Security Onion documentation
  • Review Security Onion tutorials
Review web server
Review basic web server administration skills such as setting up and configuring a web server.
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Show steps
  • Identify the different types of web servers available
  • Describe the functionality of a web server
  • Configure a basic web server
Engage in Peer Discussions
Participate in online forums or discussion groups dedicated to Security Onion to connect with peers, share knowledge, and gain insights from others' experiences.
Show steps
  • Join Security Onion forums
  • Participate in discussions
Nine other activities
Expand to see all activities and additional details
Show all 12 activities
Explore SANS Security Onion Quick Start Guide
Develop a basic understanding of the capabilities and functionalities of Security Onion.
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  • Visit the SANS website and access the Security Onion Quick Start Guide.
  • Read through the guide to familiarize yourself with the installation and configuration process of Security Onion.
Join a Security Onion user group
Join a Security Onion user group to connect with other Security Onion users and learn from their experiences.
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Show steps
  • Find a Security Onion user group
  • Join the user group and participate in discussions
Install and Configure Security Onion on a Virtual Machine
Gain hands-on experience with the installation and configuration of Security Onion.
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  • Set up a virtual environment using a virtualization software such as VMware or VirtualBox.
  • Download the Security Onion ISO file from the official website.
  • Create a new virtual machine and configure its settings according to the Security Onion documentation.
  • Install Security Onion on the virtual machine by following the provided installation instructions.
  • Configure Security Onion by setting up network interfaces, enabling services, and adjusting settings as needed.
Follow a Security Onion video tutorial
Follow a video tutorial on Security Onion to learn how to use the tool effectively.
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  • Find a reputable Security Onion video tutorial
  • Watch the tutorial and take notes
  • Apply what you learned in the tutorial to your own Security Onion instance
Create a Network Diagram of Security Onion Deployment
Visualize and understand the network topology and data flow within a Security Onion deployment.
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  • Identify the components of a Security Onion deployment, including sensors, collectors, and the central management server.
  • Research and gather information on the network connectivity and data flow between these components.
  • Create a network diagram using a tool such as Microsoft Visio or draw.io to represent the topology and data flow.
Work through Security Onion tutorial
Work through the Security Onion tutorial to gain hands-on experience with the tool.
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  • Set up a Security Onion virtual machine
  • Configure the Security Onion interface
  • Run the Security Onion IDS/IPS
Deploy Security Onion in a production environment
Deploy Security Onion in a production environment to gain practical experience with the tool.
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  • Plan your Security Onion deployment
  • Install and configure Security Onion
  • Monitor Security Onion and respond to alerts
Participate in a Security Onion capture the flag competition
Participate in a Security Onion capture the flag competition to test your skills and learn from others.
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Show steps
  • Find a Security Onion capture the flag competition
  • Register for the competition
  • Solve the challenges in the competition
Write a blog post about your experience with Security Onion
Write a blog post about your experience with Security Onion to share your knowledge with others.
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  • Choose a topic for your blog post
  • Write your blog post
  • Publish your blog post

Career center

Learners who complete Security Onion Concepts and Basic Functionality will develop knowledge and skills that may be useful to these careers:
Information Security Analyst
Information Security Analysts design and implement security measures to protect an organization's computer networks and systems. They analyze security risks, develop security plans, and monitor networks for suspicious activity. This course Security Onion Concepts and Basic Functionality can help build a foundation for a career as an Information Security Analyst. It provides a comprehensive overview of Security Onion, an open-source security monitoring tool, and teaches participants how to install, configure, and use it to detect and respond to security threats. This knowledge can be valuable for Information Security Analysts who need to be able to use a variety of tools to protect their organizations' networks.
Security Engineer
Security Engineers design, implement, and maintain security systems to protect an organization's computer networks and systems. They work with Information Security Analysts to identify and mitigate security risks. This course Security Onion Concepts and Basic Functionality can help build a foundation for a career as a Security Engineer. It provides a comprehensive overview of Security Onion, an open-source security monitoring tool, and teaches participants how to install, configure, and use it to detect and respond to security threats. This knowledge can be valuable for Security Engineers who need to be able to use a variety of tools to protect their organizations' networks.
Network Security Engineer
Network Security Engineers design, implement, and maintain security systems to protect an organization's computer networks. They work with Information Security Analysts and Security Engineers to identify and mitigate security risks. This course Security Onion Concepts and Basic Functionality can help build a foundation for a career as a Network Security Engineer. It provides a comprehensive overview of Security Onion, an open-source security monitoring tool, and teaches participants how to install, configure, and use it to detect and respond to security threats. This knowledge can be valuable for Network Security Engineers who need to be able to use a variety of tools to protect their organizations' networks.
Computer Systems Analyst
Computer Systems Analysts design, implement, and maintain computer systems. They work with users to understand their needs and develop systems that meet those needs. They also work with other IT professionals to ensure that systems are integrated and функционировать properly. This course Security Onion Concepts and Basic Functionality may be useful for Computer Systems Analysts who are interested in learning more about security monitoring tools. It provides a comprehensive overview of Security Onion, an open-source security monitoring tool, and teaches participants how to install, configure, and use it to detect and respond to security threats.
IT Auditor
IT Auditors evaluate an organization's computer systems and networks to ensure that they are secure and compliant with regulations. They work with management to identify and mitigate security risks. This course Security Onion Concepts and Basic Functionality may be useful for IT Auditors who are interested in learning more about security monitoring tools. It provides a comprehensive overview of Security Onion, an open-source security monitoring tool, and teaches participants how to install, configure, and use it to detect and respond to security threats.
Security Consultant
Security Consultants provide advice and guidance to organizations on how to protect their computer networks and systems. They work with clients to identify and mitigate security risks and develop security plans. This course Security Onion Concepts and Basic Functionality may be useful for Security Consultants who are interested in learning more about security monitoring tools. It provides a comprehensive overview of Security Onion, an open-source security monitoring tool, and teaches participants how to install, configure, and use it to detect and respond to security threats.
Network Administrator
Network Administrators manage and maintain computer networks. They ensure that networks are functioning properly and that users have access to the resources they need. This course Security Onion Concepts and Basic Functionality may be useful for Network Administrators who are interested in learning more about security monitoring tools. It provides a comprehensive overview of Security Onion, an open-source security monitoring tool, and teaches participants how to install, configure, and use it to detect and respond to security threats.
Database Administrator
Database Administrators manage and maintain databases. They ensure that databases are functioning properly and that data is protected from unauthorized access. This course Security Onion Concepts and Basic Functionality may be useful for Database Administrators who are interested in learning more about security monitoring tools. It provides a comprehensive overview of Security Onion, an open-source security monitoring tool, and teaches participants how to install, configure, and use it to detect and respond to security threats.
Systems Administrator
Systems Administrators manage and maintain computer systems. They ensure that systems are functioning properly and that users have access to the resources they need. This course Security Onion Concepts and Basic Functionality may be useful for Systems Administrators who are interested in learning more about security monitoring tools. It provides a comprehensive overview of Security Onion, an open-source security monitoring tool, and teaches participants how to install, configure, and use it to detect and respond to security threats.
Cybersecurity Analyst
Cybersecurity Analysts identify and mitigate security risks to computer networks and systems. They work with Information Security Analysts and Security Engineers to develop and implement security plans. This course Security Onion Concepts and Basic Functionality may be useful for Cybersecurity Analysts who are interested in learning more about security monitoring tools. It provides a comprehensive overview of Security Onion, an open-source security monitoring tool, and teaches participants how to install, configure, and use it to detect and respond to security threats.
Security Architect
Security Architects design and implement security systems to protect an organization's computer networks and systems. They work with Information Security Analysts and Security Engineers to identify and mitigate security risks. This course Security Onion Concepts and Basic Functionality may be useful for Security Architects who are interested in learning more about security monitoring tools. It provides a comprehensive overview of Security Onion, an open-source security monitoring tool, and teaches participants how to install, configure, and use it to detect and respond to security threats.
IT Manager
IT Managers plan and direct the activities of an organization's IT department. They work with senior management to develop and implement IT strategies. This course Security Onion Concepts and Basic Functionality may be useful for IT Managers who are interested in learning more about security monitoring tools. It provides a comprehensive overview of Security Onion, an open-source security monitoring tool, and teaches participants how to install, configure, and use it to detect and respond to security threats.
Chief Information Security Officer (CISO)
Chief Information Security Officers (CISOs) are responsible for the overall security of an organization's computer networks and systems. They work with senior management to develop and implement security policies and procedures. This course Security Onion Concepts and Basic Functionality may be useful for CISOs who are interested in learning more about security monitoring tools. It provides a comprehensive overview of Security Onion, an open-source security monitoring tool, and teaches participants how to install, configure, and use it to detect and respond to security threats.
Security Researcher
Security Researchers identify and analyze security vulnerabilities in computer networks and systems. They develop and test security tools and techniques to protect against these vulnerabilities. This course Security Onion Concepts and Basic Functionality may be useful for Security Researchers who are interested in learning more about security monitoring tools. It provides a comprehensive overview of Security Onion, an open-source security monitoring tool, and teaches participants how to install, configure, and use it to detect and respond to security threats.
Software Engineer
Software Engineers design, develop, and maintain software applications. They work with users to understand their needs and develop software that meets those needs. This course Security Onion Concepts and Basic Functionality may be useful for Software Engineers who are interested in learning more about security monitoring tools. It provides a comprehensive overview of Security Onion, an open-source security monitoring tool, and teaches participants how to install, configure, and use it to detect and respond to security threats.

Reading list

We've selected six books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in Security Onion Concepts and Basic Functionality.
Is the official guide to Security Onion. It is written by the developers of Security Onion and covers everything from installation and configuration to using the various tools and features.
A more technical read but provides detailed information about acquiring, analyzing, and presenting memory forensics. It is widely used by security professionals and good reference for advanced learners.
Provides context and background on the use of open-source tools for security monitoring.
Provides a useful overview of open-source intelligence gathering and analysis techniques, which are complementary to the threat hunting capabilities of Security Onion.
This non-fiction work provides an engaging history of early computer security incidents and can be insightful for learners to understand the evolution of threat hunting and network security.

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