diff --git a/CHANGELOG.next.asciidoc b/CHANGELOG.next.asciidoc
index cc602000e89..a1c4cbf0e84 100644
--- a/CHANGELOG.next.asciidoc
+++ b/CHANGELOG.next.asciidoc
@@ -248,6 +248,7 @@ https://github.com/elastic/beats/compare/v7.0.0-alpha2...master[Check the HEAD d
 - Fix bad `network.direction` values in Fortinet/firewall fileset. {pull}23072[23072]
 - Fix Cisco ASA/FTD module's parsing of WebVPN log message 716002. {pull}22966[22966]
 - Add support for organization and custom prefix in AWS/CloudTrail fileset. {issue}23109[23109] {pull}23126[23126]
+- Simplify regex for organization custom prefix in AWS/CloudTrail fileset. {issue}23203[23203] {pull}23204[23204]
 
 *Heartbeat*
 
diff --git a/x-pack/filebeat/module/aws/cloudtrail/config/s3.yml b/x-pack/filebeat/module/aws/cloudtrail/config/s3.yml
index ecc73ba5365..16b8bc5eec2 100644
--- a/x-pack/filebeat/module/aws/cloudtrail/config/s3.yml
+++ b/x-pack/filebeat/module/aws/cloudtrail/config/s3.yml
@@ -2,16 +2,16 @@ type: s3
 queue_url: {{ .queue_url }}
 file_selectors:
 {{ if .process_cloudtrail_logs }}
-  - regex: 'AWSLogs/\d+/CloudTrail/'
+  - regex: '/CloudTrail/'
     expand_event_list_from_field: 'Records'
 {{ end }}
 
 {{ if .process_digest_logs }}
-  - regex: 'AWSLogs/\d+/CloudTrail-Digest/'
+  - regex: '/CloudTrail-Digest/'
 {{ end }}
 
 {{ if .process_insight_logs }}
-  - regex: 'AWSLogs/\d+/CloudTrail-Insight/'
+  - regex: '/CloudTrail-Insight/'
     expand_event_list_from_field: 'Records'
 {{ end }}