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Network Protocols for Security: REST APIs and OAuth

Modern applications rely on APIs and OAuth for communication and authentication. This course will teach you how to understand REST API traffic, analyze JSON payloads, and identify OAuth authorization flows, tokens, and potential security risks.

Beginner
17m

Created by Tim Coakley

Last Updated Aug 13, 2026

Course Thumbnail
  • Course

Network Protocols for Security: REST APIs and OAuth

Modern applications rely on APIs and OAuth for communication and authentication. This course will teach you how to understand REST API traffic, analyze JSON payloads, and identify OAuth authorization flows, tokens, and potential security risks.

Beginner
17m

Created by Tim Coakley

Last Updated Aug 13, 2026

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  • Security
What you'll learn

Modern applications rely heavily on REST APIs and OAuth 2.0, making it important for security professionals to understand how these technologies appear in network traffic and where potential security risks may arise. In this course, Network Protocols for Security: REST APIs and OAuth, you’ll gain the ability to analyze REST API and OAuth network traffic from a security perspective. First, you’ll explore REST API requests, HTTP methods, and JSON payloads. Next, you’ll discover how to identify potential data exposure within API communications. Finally, you’ll learn how to inspect OAuth 2.0 authorization flows, token exchanges, and bearer tokens. When you’re finished with this course, you’ll have the skills and knowledge of REST APIs and OAuth network security needed to recognize and assess potential security risks in modern application traffic.

Network Protocols for Security: REST APIs and OAuth
Beginner
17m
Table of contents

About the author
Tim Coakley - Pluralsight course - Network Protocols for Security: REST APIs and OAuth
Tim Coakley
12 courses 3.9 author rating 34 ratings

Tim Coakley is a Senior Security Solutions Architect for a large multi-national organisation and an author at PluralSight. Tim started a long and successful full-time career in Digital Forensics supporting the criminal justice system and law enforcement on a long list of criminal cases.

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