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Monitoring AWS for suspicious login activities

 

You are an Amazon Web Services (AWS) admin who manages access to AWS resources and services across your organization. As part of your role, you need to monitor your AWS authentication events using your CloudTrail logs. Abusive behaviors caused by compromised credentials can lead to direct monetary costs, as you will be billed for any instances created by the attacker. 

These searches will help you detect suspicious logins to your AWS infrastructure, helping you stay aware of and investigate this potential threat.

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

Still need help with this use case? Most customers have OnDemand Services per their license support plan. Engage the ODS team at OnDemand-Inquires@splunk.com if you require assistance.

f 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: