> 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/cloud-infrastructure-discovery-across-multiple-regions.md).

# Cloud infrastructure discovery across multiple regions

### Synopsis

| Field                | Value                                  |
| -------------------- | -------------------------------------- |
| Activation Period    | 14 Days                                |
| Training Period      | 30 Days                                |
| Test Period          | 1 Hour                                 |
| Deduplication Period | 5 Days                                 |
| Required Data        | AWS Audit Log                          |
| Detection Modules    | Cloud                                  |
| ATT\&CK Tactic       | Discovery (TA0007)                     |
| ATT\&CK Technique    | Cloud Infrastructure Discovery (T1580) |
| Severity             | Informational                          |

### Description

Discovery API calls were executed across multiple AWS regions.

### Attacker's Goals

* Discover resources across regions to understand the cloud deployment footprint.
* Target regions or services that may have weaker controls, lower visibility, or misconfiguration for potential exploitation.
* Build a complete view of infrastructure for lateral movement or privilege escalation.

### Investigative actions

* Identify which services and regions were targeted.
* Analyze the identity performing the discovery.
* Correlate with other discovery or suspicious activities.

### Variations

<details>

<summary>Cloud infrastructure discovery across multiple AWS services within a single region</summary>

**Synopsis**

| Field             | Value                                  |
| ----------------- | -------------------------------------- |
| ATT\&CK Tactic    | Discovery (TA0007)                     |
| ATT\&CK Technique | Cloud Infrastructure Discovery (T1580) |
| Severity          | Informational                          |

**Description**

Discovery API calls were executed across multiple AWS regions.

**Attacker's Goals**

* Discover resources across regions to understand the cloud deployment footprint.
* Target regions or services that may have weaker controls, lower visibility, or misconfiguration for potential exploitation.
* Build a complete view of infrastructure for lateral movement or privilege escalation.

**Investigative actions**

* Identify which services and regions were targeted.
* Analyze the identity performing the discovery.
* Correlate with other discovery or suspicious activities.

</details>

<details>

<summary>Cloud infrastructure discovery across multiple AWS services and regions</summary>

**Synopsis**

| Field             | Value                                  |
| ----------------- | -------------------------------------- |
| ATT\&CK Tactic    | Discovery (TA0007)                     |
| ATT\&CK Technique | Cloud Infrastructure Discovery (T1580) |
| Severity          | Low                                    |

**Description**

Discovery API calls were executed across multiple AWS regions.

**Attacker's Goals**

* Discover resources across regions to understand the cloud deployment footprint.
* Target regions or services that may have weaker controls, lower visibility, or misconfiguration for potential exploitation.
* Build a complete view of infrastructure for lateral movement or privilege escalation.

**Investigative actions**

* Identify which services and regions were targeted.
* Analyze the identity performing the discovery.
* Correlate with other discovery or suspicious activities.

</details>


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