Update: Traildash has been retired as AWS offer this functionality natively now.
I’ve recently discovered Traildash, a powerful dashboard to import and analyse CloudTrail events with ElasticSearch and Kibana.
I need to take a more in-depth look but it at initial glance it’s very interesting and something that can be quite valuable.
You can read more at https://github.com/AppliedTrust/traildash