OS Analysis with Nagios from Pluralsight

In this course, you will learn how to perform OS analysis using Nagios XI from a security blue team perspective, to effectively create better awareness around common MITRE TTPs.

Would you like to be able to effectively detect the beginning stages of the most common attacks by identifying activity like powershell execution or monitor the status of constant services like your windows firewall? In this course, OS Analysis with Nagios, you’ll cover how to utilize Nagios XI to secure a live enterprise environment. First, you’ll explore the detection of command shells like Powershell. Next, you’ll apply alerts to detect if the Windows Firewall service is ever disabled. Finally, you’ll review some of the event logging capabilities to increase overall awareness. In addition to these main objectives, you will also explore some of the graphing and network visibility features of Nagios XI as well. When you’re finished with this course, you’ll have the skills and knowledge to detect Command and Scripting Interpreter: PowerShell (T1059.001), Impair Defenses: Disable or Modify Firewall (T1562.007), and File and Directory Discovery (T1083) using Nagios XI.

What's inside

Syllabus

Course Overview

Using Nagios for OS Analysis

Resources

Good to know

Know what's good

, what to watch for

, and possible dealbreakers

Engages with common cybersecurity use cases, such as detecting command and scripting interpreter PowerShell, impair defenses by disabling or modifying firewall, and file and directory discovery

Implements Nagios XI for network monitoring and security threat detection in enterprise systems

Provides hands-on practice through labs and interactive materials

Builds a strong foundation in OS analysis and aligns with common MITRE TTPs

Led by instructors Owen Dubiel, an expert in cybersecurity training

Assumes some prior knowledge in network security and OS analysis techniques

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 OS Analysis with Nagios with these activities:

Join a Nagios user group

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Connecting with other Nagios users can provide valuable insights and support. Join a local or online Nagios user group to network and share experiences.

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Find a Nagios user group
Attend meetings or online discussions

Nagios tutorial for OS analysis

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Review an existing tutorial to solidify your understanding of using Nagios for OS analysis.

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Find a suitable tutorial
Follow the tutorial step-by-step

Review Nagios community forums

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The Nagios community is a valuable resource for support and knowledge sharing. Review the Nagios community forums to engage with other users and experts.

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Find the Nagios community forums
Participate in discussions

Four other activities

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Practice Powershell commands

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Powershell is a fundamental tool in a security analyst's toolbox. Practice common Powershell commands to solidify your understanding.

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Review common Powershell commands
Execute Powershell commands in a lab environment

Monitor Windows Firewall status

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Detecting when a firewall is disabled is a critical security measure. Practice monitoring the status of Windows Firewall.

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Identify the Windows Firewall service
Use Nagios to monitor the status of the service

Analyze event logs

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Analyzing event logs is essential for detecting suspicious activity. Practice analyzing event logs to enhance your security monitoring skills.

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Identify relevant event logs
Use Nagios to filter and analyze event logs

Create a Nagios configuration file

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To effectively use Nagios, you need to create a configuration file. Create a Nagios configuration file that incorporates the concepts covered in this course.

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Gather necessary information
Configure Nagios settings
Save and test the configuration file

Career center

Learners who complete OS Analysis with Nagios will develop knowledge and skills that may be useful to these careers:

Security Analyst

Security Analysts monitor and analyze an organization's security systems and data to identify and respond to security threats. This can include tasks such as investigating security incidents, analyzing security logs, and developing security reports. Nagios XI is a valuable tool for Security Analysts as it helps them monitor and analyze their organization's IT systems for potential threats and vulnerabilities. This course may be useful for Security Analysts as it teaches them how to use Nagios XI to analyze an OS for common MITRE TTPs.

See salaries and explore the career path for Security Analyst

Cybersecurity Analyst

A Cybersecurity Analyst can help secure a company's critical infrastructure, digital data, and electronic information by analyzing a company's OS using Nagios XI to identify emerging threats and potential vulnerabilities. This course helps build a foundation for a Cybersecurity Analyst by teaching how to detect common MITRE TTPs.

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IT Security Specialist

IT Security Specialists protect an organization's computer networks and systems from security breaches and cyberattacks. This can involve tasks such as implementing security measures, monitoring network traffic, and responding to security incidents. Nagios XI can be a valuable tool for IT Security Specialists as it helps them monitor and analyze their organization's IT systems for potential threats and vulnerabilities. This course may be useful for IT Security Specialists as it teaches them how to use Nagios XI to analyze an OS for common MITRE TTPs.

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Chief Information Security Officer

The Chief Information Security Officer (CISO) is responsible for overseeing an organization's cybersecurity program and ensuring that the organization's IT systems and data are protected from security threats and vulnerabilities. Nagios XI is a valuable tool for CISOs as it helps them monitor and analyze their organization's IT systems for potential threats and vulnerabilities. This course may be useful for CISOs as it teaches them how to use Nagios XI to analyze an OS for common MITRE TTPs.

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Systems Administrator

Systems Administrators are responsible for maintaining the day-to-day operations of an organization's computer systems and networks. This can include tasks such as installing and configuring software, monitoring system performance, and troubleshooting problems. An important part of a Systems Administrator's job is to ensure that the organization's systems are secure from threats and vulnerabilities. This course can help Systems Administrators improve their security skills by teaching them how to use Nagios XI to analyze an OS for common MITRE TTPs.

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Cybersecurity Manager

Cybersecurity Managers oversee the implementation and management of an organization's cybersecurity program. This can include tasks such as developing cybersecurity policies, managing cybersecurity budgets, and coordinating with other departments to ensure the organization's cybersecurity needs are met. Nagios XI is a valuable tool for Cybersecurity Managers as it helps them monitor and analyze their organization's IT systems for potential threats and vulnerabilities. This course may be useful for Cybersecurity Managers as it teaches them how to use Nagios XI to analyze an OS for common MITRE TTPs.

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Information Security Officer

Information Security Officers are responsible for developing and implementing security measures to protect an organization's information assets. This can include tasks such as developing security policies, managing security budgets, and coordinating with other departments to ensure the organization's security needs are met. Nagios XI is a valuable tool for Information Security Officers as it helps them monitor and analyze their organization's IT systems for potential threats and vulnerabilities. This course may be useful for Information Security Officers as it teaches them how to use Nagios XI to analyze an OS for common MITRE TTPs.

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IT Auditor

IT Auditors evaluate an organization's IT systems and practices to ensure that they are aligned with the organization's goals and objectives. This can include assessing the organization's security measures and identifying potential risks. Nagios XI is a valuable tool for IT Auditors as it can help them assess the security of an organization's IT systems and identify potential vulnerabilities. This course may be useful for IT Auditors as it teaches them how to use Nagios XI to analyze an OS for common MITRE TTPs.

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Incident Responder

Incident Responders investigate and respond to security incidents. This can include tasks such as collecting evidence, analyzing data, and developing mitigation plans. Nagios XI is a valuable tool for Incident Responders as it helps them monitor and analyze their organization's IT systems for potential threats and vulnerabilities. This course may be useful for Incident Responders as it teaches them how to use Nagios XI to analyze an OS for common MITRE TTPs.

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Cybersecurity Engineer

Cybersecurity Engineers design, implement, and manage an organization's cybersecurity program. This can include tasks such as developing cybersecurity policies, managing cybersecurity budgets, and coordinating with other departments to ensure the organization's cybersecurity needs are met. Nagios XI is a valuable tool for Cybersecurity Engineers as it helps them monitor and analyze their organization's IT systems for potential threats and vulnerabilities. This course may be useful for Cybersecurity Engineers as it teaches them how to use Nagios XI to analyze an OS for common MITRE TTPs.

See salaries and explore the career path for Cybersecurity Engineer

Penetration Tester

Penetration Testers evaluate an organization's security systems and practices to identify vulnerabilities that could be exploited by attackers. This can involve tasks such as performing network scans, analyzing security configurations, and exploiting vulnerabilities. Nagios XI is a valuable tool for Penetration Testers as it helps them monitor and analyze their organization's IT systems for potential threats and vulnerabilities. This course may be useful for Penetration Testers as it teaches them how to use Nagios XI to analyze an OS for common MITRE TTPs.

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Security Architect

Security Architects design and implement an organization's security strategy. This can include tasks such as developing security policies, designing security architectures, and implementing security measures. Nagios XI is a valuable tool for Security Architects as it helps them monitor and analyze their organization's IT systems for potential threats and vulnerabilities. This course may be useful for Security Architects as it teaches them how to use Nagios XI to analyze an OS for common MITRE TTPs.

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Network Security Engineer

Network Security Engineers need to be able to understand all aspects of network security, from firewalls to intrusion detection systems to security protocols. Being able to use Nagios XI to analyze an OS for common MITRE TTPs is a valuable tool for Network Security Engineers. This course may be useful for Network Security Engineers as it teaches how to monitor and analyze network traffic for potential threats.

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Security Engineer

Security Engineers plan, implement, and manage an organization's security measures to protect its computer networks and systems. Nagios XI can be a valuable tool for Security Engineers as it can be used to monitor and analyze system logs, user activity, and network traffic for potential security breaches. This course may be useful for Security Engineers as it teaches how to use Nagios XI to analyze an operating system for common MITRE TTPs.

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Information Security Consultant

Information Security Consultants recommend and implement measures to protect an organization's computer networks and systems. They can use Nagios XI to monitor and analyze their client's operating systems for potential vulnerabilities, such as those identified in the MITRE ATT&CK framework. This course may be useful to an Information Security Consultant by teaching them how to use Nagios XI to analyze an OS from a security blue team perspective.

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OS Analysis with Nagios

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