Securing Your S3 Bucket from A to Z

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Securing Your S3 Bucket from A to Z

In this hands-on lab, we implement S3 bucket policies and IAM policies to learn about the various ways to secure our S3 buckets and the data within them. We also examine which services we can leverage to audit and remediate security issues. Here is the [GitHub link](https://raw.githubusercontent.com/linuxacademy/content-how-to-properly-secure-an-s3-bucket/master/lab-securing-s3-a-to-z/S3BucketPolicy.json) to copy the S3 bucket policy mentioned in this lab.

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Lab Info

Level

Intermediate

Last updated

Sep 24, 2025

Duration

1h 15m

Challenge

Update the IAM Policy

Update the IAM policy to include our partyparrots-<STRING> bucket name and the public IP address provided for the lab.
Challenge

Attach the IAM and S3 Bucket Policies

Attach the IAM policy to our Architects and Developers groups and create user folders for bob and john. Then, add an S3 bucket policy from the provided GitHub repository.
Challenge

Test and Verify the IAM and S3 Bucket Policies

Verify the IAM and S3 policy permissions are configured correctly, update the IAM policy to include the DeleteObject permission, and test server-side encryption.
Challenge

Enable Block Public Access in the S3 Bucket

Update the Block Public Access settings for the S3 bucket.
Challenge

Configure CloudTrail and CloudWatch for SNS Event Notifications

Create a CloudTrail trail to log read and write events, configure SNS notifications and subscribe to receive email alerts, and set a CloudWatch rule to trigger email alerts on deletion events.

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