AWS singlesignon high security documentation change

Service: singlesignon · 2025-10-16 · Security-related high

File: singlesignon/latest/userguide/enable-mfa.md

Summary

Added explicit warning about MFA incompatibility with external IdPs

Security assessment

Addresses potential misconfiguration risk by clarifying MFA limitations, preventing insecure deployments with external identity providers

Diff

diff --git a/singlesignon/latest/userguide/enable-mfa.md b/singlesignon/latest/userguide/enable-mfa.md
index b12acb1cd..d9d2b36e7 100644
--- a//singlesignon/latest/userguide/enable-mfa.md
+++ b//singlesignon/latest/userguide/enable-mfa.md
@@ -5 +5,5 @@
-# Multi-factor authentication for Identity Center users
+# MFA for Identity Center directory users
+
+###### Important
+
+MFA in IAM Identity Center is currently not supported for [external identity providers](https://docs.aws.amazon.com/singlesignon/latest/userguide/manage-your-identity-source-idp.html).
@@ -39 +43 @@ To use the Amazon Web Services Documentation, Javascript must be enabled. Please
-Customizing the AWS access portal URL
+Reset an end user password