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Detecting AWS network ACL activity

 

You are an Amazon Web Services (AWS) admin who manages access to AWS resources and services across your organization. AWS CloudTrail is an AWS service that helps you enable governance, compliance, and operational/risk auditing of your AWS account. Actions taken by a user, role, or an AWS service are recorded as events in CloudTrail. Part of your role involves monitoring events and actions taken in the AWS Management Console, AWS Command Line Interface, and AWS SDKs and APIs to ensure that your servers are not vulnerable to attacks.

These searches help you to monitor your AWS network infrastructure, using CloudTrail logs from AWS to check for bad configurations and malicious activity in your AWS network access controls.

Data required

How to use Splunk software for this use case

To deploy this use case, make sure that you have the Splunk ES Content Updates installed on your Splunk Enterprise Security deployment. This extensive content library empowers you to deploy out-of-the-box security detections and analytic stories to enhance your investigations and improve your security posture. If you do not have Splunk Enterprise Security, these detections will still give you an idea of what you can accomplish with SPL in the Splunk platform or with the free app, Splunk Security Essentials.

Some of the detections that can help you with this use case include:

Next steps

Splunk OnDemand Services: Use these credit-based services for direct access to Splunk technical consultants with a variety of technical services from a pre-defined catalog. Most customers have OnDemand Services per their license support plan. Engage the ODS team at ondemand@splunk.com if you require assistance.

If you are a Splunk Enterprise Security customer, you can also get help from the Security Research team's support options on GitHub.

In addition, Splunk Enterprise Security provides a number of other searches to help reinforce your Cloud Security posture, including: