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Essential API Security

Course Description

This course covers the most common and devastating API security vulnerabilities of the OWASP Top 10. Throughout this course, you will learn about real-world authentication and authorization failures and potential solutions. Topics include API authentication, authorization decisions, and handling state with tokens.

Learning Objectives

Identify different API authentication strategies
Assess which API authentication technique fits your use case
Explain how to handle user authentication state in APIs
Identify current cookie security best practices
Configure the API to handle JWTs securely
Identify common authorization pitfalls in API
Audit and improve an API authorization policy

Details

Delivery Format: eLearning

Duration: 1 hour 45 minutes

Level: Intermediate

Intended Audience

Architects
Back-end Developers
Enterprise Developers

Prerequisites

None

Course Outline

Introduction

Authentication and Authorization
Course Overview

Simple API Authentication Mechanisms

Including a Secret in the Request
Pros and Cons of Sending Secrets
Signing Requests with an HMAC
Pros and Cons of Using HMACs

Advanced Client Authentication

The Concept of Key-Based Client Authentication
Strategies for Handling Keys
Client Authentication with JWTs
Client Authentication with mTLS
Comparing JWTs and mTLS

User Authentication Strategies

Traditional Server-Side Sessions
Client-Side State
Using OAuth 2.0

Cookie Security Best Practices

The Use Case for Cookies
A Secure Cookie Configuration
Handling Cross-Site Request Forgery
Mitigating CSRF in APIs

Securely Handling JSON Web Tokens

Using JWTs for Authentication State
Using the Correct Signing Mechanism
Do Not Rely on Unverified Token Metadata
Reject Unsigned Tokens
Verify Reserved Claims
Using Explicit Typing
Handling Key Distribution

Common Authorization Pitfalls

Excessive Data Exposure
Mass Assignment
Broken Authorization

Building a Robust Authorization Strategy

The Issue with Complex Authorization Logic
Centralizing Authorization
Offloading Authorization to a Policy Decision Point

Course Wrap-Up

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Training

Developer Security Training

Equip development teams with the skills and education to write secure code and fix issues faster

Learn more about developer security training