AWS Security ChangesHomeSearch

AWS mgn documentation change

Service: mgn · 2026-07-04 · Documentation low

File: mgn/latest/ug/security-iam-awsmanpol.md

Summary

Added two policy updates: AWSApplicationMigrationReadOnlyAccess now includes ssm:GetParameter permission for exporting post-launch actions, and AWSApplicationMigrationNetworkMigrationMultiAccount adds ec2:DescribeAvailabilityZones permission for resolving AZ mappings.

Security assessment

These are routine permission expansions for operational functionality without evidence of addressing security vulnerabilities. No security weaknesses or incidents are mentioned.

Diff

diff --git a/mgn/latest/ug/security-iam-awsmanpol.md b/mgn/latest/ug/security-iam-awsmanpol.md
index 21685e5f7..298d0faf4 100644
--- a//mgn/latest/ug/security-iam-awsmanpol.md
+++ b//mgn/latest/ug/security-iam-awsmanpol.md
@@ -26,0 +27,2 @@ Change | Description | Date
+[AWSApplicationMigrationReadOnlyAccess](./security-iam-awsmanpol-AWSApplicationMigrationReadOnlyAccess.html#security-iam-awsmanpol-AWSApplicationMigrationReadOnlyAccess.title) – Updated policy |  Added `ssm:GetParameter` permission to allow exporting post launch actions in the export file. | July 02, 2026  
+[AWSApplicationMigrationNetworkMigrationMultiAccount](./security-iam-awsmanpol-AWSApplicationMigrationNetworkMigrationMultiAccount.html#security-iam-awsmanpol-AWSApplicationMigrationNetworkMigrationMultiAccount.title) – Updated policy |  Added `ec2:DescribeAvailabilityZones` permission to resolve Availability Zone mappings in target member accounts. | June 28, 2026