Always on

AWS CloudTrail is enabled on all AWS accounts and records your account activity upon account creation. You can view and download the last 90 days of your account activity for create, modify, and delete operations of supported services without the need to manually set up CloudTrail.

Event history

You can view, search, and download your recent AWS account activity. This allows you to gain visibility into changes in your AWS account resources so you can strengthen your security processes and simplify operational issue resolution.

Multi-region configuration

You can configure AWS CloudTrail to deliver log files from multiple regions to a single Amazon S3 bucket for a single account. A configuration that applies to all regions ensures that all settings apply consistently across all existing and newly launched regions. For detailed instructions, see Aggregating CloudTrail Log Files to a Single Amazon S3 Bucket in the AWS CloudTrail User Guide.

Log file integrity validation

You can validate the integrity of AWS CloudTrail log files stored in your Amazon S3 bucket and detect whether the log files were unchanged, modified, or deleted since CloudTrail delivered them to your Amazon S3 bucket. You can use log file integrity validation in your IT security and auditing processes.

Log file encryption

By default, AWS CloudTrail encrypts all log files delivered to your specified Amazon S3 bucket using Amazon S3 server-side encryption (SSE). Optionally, add a layer of security to your CloudTrail log files by encrypting the log files with your AWS Key Management Service (AWS KMS) key. Amazon S3 automatically decrypts your log files if you have decrypt permissions. For more information, see encrypting log files using your KMS key.

Data events

By enabling data event logging in CloudTrail, you can record object-level API activity, and receive detailed information such as who made the request, where and when the request was made, and other details. Data events record the resource operations (data plane actions) performed on or within the resource itself. Data events are often high volume activities. CloudTrail data event logging includes operations such as Amazon S3 object-level APIs, AWS Lambda function Invoke APIs, and Amazon DynamoDB item-level APIs. For example, you can log API actions on all or specific DynamoDB tables to determine which items were created, read, updated, or deleted. For more information about how to log data events in CloudTrail, and the resources on which you can log data events, see Logging data events for trails in the CloudTrail documentation.

Management events

Management events provide insights into the management (“control plane”) operations performed on resources in your AWS account. For example, you can log administrative actions such as creation, deletion, and modification of Amazon EC2 instances. For each event, you can get details such as the AWS account, IAM user role, and IP address of the user that initiated the action, time of the action, and which resources were affected.

CloudTrail Insights

Identify unusual activity in your AWS accounts, such as spikes in resource provisioning, bursts of AWS Identity and Access Management (IAM) actions, or gaps in periodic maintenance activity. You can enable CloudTrail Insights events across your AWS organization, or in individual AWS accounts in your CloudTrail trails.


AWS Lambda

You can take advantage of the Amazon S3 bucket notification feature to direct Amazon S3 to publish object-created events to AWS Lambda. When CloudTrail writes logs to your S3 bucket, Amazon S3 can invoke your Lambda function to process the access records logged by CloudTrail.

Amazon CloudWatch Logs

AWS CloudTrail integration with Amazon CloudWatch Logs enables you to send management and data events recorded by CloudTrail to CloudWatch Logs. CloudWatch Logs allows you to create metric filters to monitor events, search events, and stream events to other AWS services, such as AWS Lambda and Amazon Elasticsearch Service.

Amazon CloudWatch Events

AWS CloudTrail integration with Amazon CloudWatch Events enables you to automatically respond to changes to your AWS resources. With CloudWatch Events, you are able to define actions to execute when specific events are logged by AWS CloudTrail. For example, if CloudTrail logs a change to an Amazon EC2 security group, such as adding a new ingress rule, you can create a CloudWatch Events rule that sends this activity to an AWS Lambda function. Lambda can then execute a workflow to create a ticket in your IT Helpdesk system.

Learn more about AWS CloudTrail pricing

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