> For the complete documentation index, see [llms.txt](https://cortex-docs.paloaltonetworks.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://cortex-docs.paloaltonetworks.com/analytics-alerts/alerts-by-name/aws-s3-buckets-enumeration-activity.md).

# AWS S3 Buckets enumeration activity

### Synopsis

| Field                | Value                                  |
| -------------------- | -------------------------------------- |
| Activation Period    | 14 Days                                |
| Training Period      | 30 Days                                |
| Test Period          | 1 Hour                                 |
| Deduplication Period | 1 Day                                  |
| Required Data        | AWS Audit Log                          |
| Detection Modules    | Cloud                                  |
| ATT\&CK Tactic       | Discovery (TA0007)                     |
| ATT\&CK Technique    | Cloud Infrastructure Discovery (T1580) |
| Severity             | Informational                          |

### Description

Enumeration of S3 buckets, suggesting potential cloud storage reconnaissance.

### Attacker's Goals

* Discover available S3 buckets in the environment.
* Enumerate objects within buckets to determine the type and structure of stored data.
* Evaluate public access configurations of buckets to identify potential exposure or misconfigurations.

### Investigative actions

* Identify the identity performing the calls and determine if this behavior aligns with their typical access patterns.
* Check access control policies and public access settings on the enumerated buckets for misconfigurations or unauthorized access attempts.


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