AWS Security ChangesHomeSearch

AWS AmazonS3 documentation change

Service: AmazonS3 · 2026-04-04 · Documentation low

File: AmazonS3/latest/userguide/WhatsNew.md

Summary

Added entry about new AWS managed policies for Amazon S3 Express One Zone: AmazonS3ExpressFullAccess and AmazonS3ExpressReadOnlyAccess

Security assessment

This change documents new AWS managed policies which are security features for controlling access to S3 Express One Zone resources. It adds security documentation but doesn't address a specific security vulnerability or incident.

Diff

diff --git a/AmazonS3/latest/userguide/WhatsNew.md b/AmazonS3/latest/userguide/WhatsNew.md
index 6ce42a6ed..039756918 100644
--- a//AmazonS3/latest/userguide/WhatsNew.md
+++ b//AmazonS3/latest/userguide/WhatsNew.md
@@ -17,0 +18 @@ Change| Description| Date
+Amazon S3 Express One Zone adds new AWS managed policies| Amazon S3 Express One Zone added new AWS-managed policies called ` AmazonS3ExpressFullAccess` and `AmazonS3ExpressReadOnlyAccess`. For more information, see [AWS managed policies for Amazon S3 Express One Zone](https://docs.aws.amazon.com/AmazonS3/latest/userguide/s3-express-one-zone-security-iam-awsmanpol.html). | April 3, 2026