AWS CloudTrail vs ELK: What are the differences?
AWS CloudTrail: Record AWS API calls for your account and have log files delivered to you. With CloudTrail, you can get a history of AWS API calls for your account, including API calls made via the AWS Management Console, AWS SDKs, command line tools, and higher-level AWS services (such as AWS CloudFormation). The AWS API call history produced by CloudTrail enables security analysis, resource change tracking, and compliance auditing. The recorded information includes the identity of the API caller, the time of the API call, the source IP address of the API caller, the request parameters, and the response elements returned by the AWS service; ELK: The acronym for three open source projects: Elasticsearch, Logstash, and Kibana. It is the acronym for three open source projects: Elasticsearch, Logstash, and Kibana. Elasticsearch is a search and analytics engine. Logstash is a server‑side data processing pipeline that ingests data from multiple sources simultaneously, transforms it, and then sends it to a "stash" like Elasticsearch. Kibana lets users visualize data with charts and graphs in Elasticsearch.
AWS CloudTrail and ELK can be categorized as "Log Management" tools.
According to the StackShare community, ELK has a broader approval, being mentioned in 53 company stacks & 14 developers stacks; compared to AWS CloudTrail, which is listed in 38 company stacks and 12 developer stacks.