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AWS IAM: Added SigV4 troubleshooting reference

Service: IAM · 2026-08-07 · Documentation medium

File: IAM/latest/UserGuide/reference_sigv.md · Type: authn

Summary

Included link to troubleshooting documentation for Signature Version 4 errors.

Security assessment

Adds security documentation for authentication implementation issues, helping prevent misconfiguration-related vulnerabilities.

Evidence

+  * If you encounter errors when signing requests, see [Troubleshoot Signature Version 4 signing for AWS API requests](./reference_sigv-troubleshooting.html).

Diff

diff --git a/IAM/latest/UserGuide/reference_sigv.md b/IAM/latest/UserGuide/reference_sigv.md
index c35173848..57519f98a 100644
--- a//IAM/latest/UserGuide/reference_sigv.md
+++ b//IAM/latest/UserGuide/reference_sigv.md
@@ -127,0 +128,2 @@ AWS SigV4 can be expressed in the HTTP Authorization header or as a query string
+  * If you encounter errors when signing requests, see [Troubleshoot Signature Version 4 signing for AWS API requests](./reference_sigv-troubleshooting.html).
+