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AWS AmazonCloudWatch documentation change

Service: AmazonCloudWatch · 2026-05-07 · Documentation low

File: AmazonCloudWatch/latest/monitoring/pipeline-sinks.md

Summary

Clarified that original log events are stored in '@original_message' system field when 'include_original' is enabled.

Security assessment

Improves audit/compliance documentation by specifying exact field name for original logs. Enhances security forensics capabilities but doesn't fix vulnerabilities.

Diff

diff --git a/AmazonCloudWatch/latest/monitoring/pipeline-sinks.md b/AmazonCloudWatch/latest/monitoring/pipeline-sinks.md
index 386591326..b9083a06e 100644
--- a//AmazonCloudWatch/latest/monitoring/pipeline-sinks.md
+++ b//AmazonCloudWatch/latest/monitoring/pipeline-sinks.md
@@ -47 +47 @@ The name of the CloudWatch Logs log group where processed events will be sent. F
-When present, stores a copy of each raw log event before any transformation takes place. This preserves the original data for audit or compliance purposes. Specify as an empty object (`{}`). Available only for pipelines with `cloudwatch_logs` sources. At least one processor must be configured when this option is enabled.
+When present, stores a copy of each raw log event before any transformation takes place in the `@original_message` system field of the event. This preserves the original data for audit or compliance purposes. Specify as an empty object (`{}`). Available only for pipelines with `cloudwatch_logs` sources. At least one processor must be configured when this option is enabled.
@@ -94 +94 @@ For pipelines using the `cloudwatch_logs` source type:
-  * Pipelines with processors mutate the log events in the original CloudWatch log group they are intercepted from for logs from AWS services. To preserve the original data, enable `include_original` in the sink configuration.
+  * Pipelines with processors mutate the log events in the original CloudWatch log group they are intercepted from for logs from AWS services. To preserve the original data, enable `include_original` in the sink configuration. The original log copy is stored in the `@original_message` system field of the event.