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AWS AmazonECS documentation change

Service: AmazonECS · 2026-04-25 · Documentation low

File: AmazonECS/latest/developerguide/security-iam-awsmanpol.md

Summary

Added entry about AmazonECSServiceRolePolicy managed IAM policy update to include autoscaling:TerminateInstanceInAutoScalingGroup permission

Security assessment

This adds documentation about an IAM policy update in a security-specific document. While it documents a security-related permission change, there is no evidence of a security vulnerability being addressed. It adds documentation about a security feature (IAM policy).

Diff

diff --git a/AmazonECS/latest/developerguide/security-iam-awsmanpol.md b/AmazonECS/latest/developerguide/security-iam-awsmanpol.md
index b159a05a0..abab0fe98 100644
--- a//AmazonECS/latest/developerguide/security-iam-awsmanpol.md
+++ b//AmazonECS/latest/developerguide/security-iam-awsmanpol.md
@@ -236,0 +237 @@ Change | Description | Date
+Add permissions to [AmazonECSServiceRolePolicy](https://docs.aws.amazon.com/AmazonECS/latest/developerguide/security-iam-awsmanpol.html#security-iam-awsmanpol-AmazonECSServiceRolePolicy). | The `AmazonECSServiceRolePolicy` managed IAM policy was updated to include the `autoscaling:TerminateInstanceInAutoScalingGroup` permission. This permission allows Amazon ECS to terminate Amazon EC2 instances in customer ASGs that fail to register with the Amazon ECS cluster. | April 24, 2026