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Network Protocols for Security: ICMP

by Brandon DeVault

In this course, we’ll practice creating network traffic and inspecting the behavior of ICMP traffic. When you're finished, you'll have a fundamental understanding on how to find anomalies within ICMP.

What you'll learn

Understanding how network protocols operate is an implied skill required to be successful in cyber security. In this course, Network Protocols for Security: ICMP, you’ll learn to analyze ICMP network traffic. First, you’ll explore sending some simple ICMP messages to analyze the protocol behavior. Next, you’ll discover how ICMP handles error messaging. Finally, you’ll learn how to detect malicious ICMP tunneling. When you’re finished with this course, you’ll have the skills and knowledge of ICMP needed to find anomalies and malicious activity amongst network traffic.

About the author

Brandon DeVault is a Security Researcher focused on threat hunting at CrowdStrike. He is also a member of the Florida Air National Guard with a variety of offensive and defensive experience. Prior to joining CrowdStrike, Brandon worked full-time as an author with Pluralsight and at Elastic, creating and delivering security content. He also worked with Special Operations Command, where he had two deployments to Afghanistan on deployable communications teams. His experience spans incident response... more

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