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AWS AmazonCloudWatch documentation change

Service: AmazonCloudWatch · 2026-04-04 · Documentation low

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

Summary

Added documentation for the new 'include_original' parameter in CloudWatch Logs sink configuration that preserves raw log events before transformation for audit/compliance purposes, and updated related guidance.

Security assessment

The change introduces documentation for a feature that preserves original log data for audit and compliance purposes, which is a security-related capability for maintaining data integrity and meeting regulatory requirements. However, there is no evidence this addresses a specific security vulnerability or incident.

Diff

diff --git a/AmazonCloudWatch/latest/monitoring/pipeline-sinks.md b/AmazonCloudWatch/latest/monitoring/pipeline-sinks.md
index dbadb02f9..cd0fe80fc 100644
--- a//AmazonCloudWatch/latest/monitoring/pipeline-sinks.md
+++ b//AmazonCloudWatch/latest/monitoring/pipeline-sinks.md
@@ -41,0 +42,13 @@ The name of the CloudWatch Logs log group where processed events will be sent. F
+`include_original` (optional)
+    
+
+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.
+
+###### Example CloudWatch Logs sink with original log preservation
+    
+    
+    sink:
+      - cloudwatch_logs:
+          log_group: "@original"
+          include_original: {}
+
@@ -79 +92 @@ 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.
+  * 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.
@@ -94 +107 @@ To use the Amazon Web Services Documentation, Javascript must be enabled. Please
-Processor compatibility and restrictions
+Expression syntax for conditional processing