Become an AWS pro by understanding IAM, learning to write policies, and configuring access. Get hands-on with realistic examples, developed by AWS Solution Certified Architects. No setup, no cleanup, no hassle.

A Practical Guide to AWS IAM by Tamás Sallai_468 x 60 .png

This course is about how AWS IAM works and how to write policies to control access in an AWS account. In this course, you will learn how AWS APIs work, explore different parts of the requests made to the APIs and elaborates on how access is determined. Additionally, you will dive into how to configure access inside AWS by describing the policy structure and the 5 policy types AWS supports.

Further, you will become familiar with how the elements in the request and the policies fit together. You will also determine whether the operation is allowed or denied by demonstrating through several step-by-step realistic examples that show exactly how IAM evaluates access, thus providing templates for how to apply these protections to AWS environments.

Lastly, this course offers you some practical tips on how to secure an account both as an administrator and as a developer. It explains the best practices and the usual pitfalls of AWS security.

AWS Security Fundamentals: A Practical Guide to AWS IAM

# Using conditions in IAM policies
A `Condition` block allows more fine-grained filtering. This is a diverse topic as there are many [global](https://docs.aws.amazon.com/IAM/latest/UserGuide/reference_policies_condition-keys.html) and [service-specific](https://docs.aws.amazon.com/service-authorization/latest/reference/reference_policies_actions-resources-contextkeys.html#context_keys_table) condition keys and which ones are included in the request context is an opaque process.

Let's see a simple example involving object tags.

To give access to all objects that have the `access=secret` tag to a user is possible with the `s3:ExistingObjectTag/access` condition key:

Learn how Conditions in IAM Policies allow more fine-grained filtering.

Introduction

Access Control Basics

User Management using IAM

IAM Policies

Request Evaluation Flow and Examples

Role Management Using Identity and Access Management (IAM)

How to Secure an AWS Account

Conclusion

Appendix

Using conditions

Using conditions in IAM policies