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AWS acm documentation change

Service: acm · 2026-07-01 · Documentation low

File: acm/latest/userguide/domain-ownership-validation.md

Summary

Added note about persistent domain validations for ACME automation

Security assessment

Clarifies domain validation methodology for ACME certificates, which is a security control. No vulnerability addressed.

Diff

diff --git a/acm/latest/userguide/domain-ownership-validation.md b/acm/latest/userguide/domain-ownership-validation.md
index e70b694ae..69d4a9b1c 100644
--- a//acm/latest/userguide/domain-ownership-validation.md
+++ b//acm/latest/userguide/domain-ownership-validation.md
@@ -14,0 +15,4 @@ Validation applies only to publicly trusted certificates issued by ACM. ACM does
+###### Note
+
+If you use ACME certificate automation, domain validation is handled differently. ACME domain validations are persistent resources configured by PKI administrators that pre-authorize domains for certificate issuance. ACME clients do not perform live validation challenges. For more information, see [ACME domain validation](./acm-acme-domain-validation.html).
+