> 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/an-identity-initiated-a-download-of-multiple-cloud-objects.md).

# An identity initiated a download of multiple cloud objects

### Synopsis

| Field                | Value                                                                                                   |
| -------------------- | ------------------------------------------------------------------------------------------------------- |
| Activation Period    | 14 Days                                                                                                 |
| Training Period      | 30 Days                                                                                                 |
| Test Period          | 1 Hour                                                                                                  |
| Deduplication Period | 1 Day                                                                                                   |
| Required Data        | <p>Requires one of the following data sources:<br>AWS Audit Log OR Azure Audit Log OR Gcp Audit Log</p> |
| Detection Modules    | Cloud                                                                                                   |
| Detector Tags        | Cloud Data Asset Exfiltration                                                                           |
| ATT\&CK Tactic       | Collection (TA0009), Exfiltration (TA0010)                                                              |
| ATT\&CK Technique    | Data from Cloud Storage (T1530), Transfer Data to Cloud Account (T1537)                                 |
| Severity             | Informational                                                                                           |

### Description

An identity initiated a download of multiple cloud objects. This might be an indication for an adversary trying to exfiltrate data from cloud storage.

### Attacker's Goals

Exfiltrate data from the cloud environment.

### Investigative actions

Check the identity which invoked the operations. Check the accessed resource and verify it doesn't contain sensitive data.

### Variations

<details>

<summary>An identity initiated a download of multiple cloud objects in large volume compared to the project's usual volume</summary>

**Synopsis**

| Field             | Value                                                                   |
| ----------------- | ----------------------------------------------------------------------- |
| ATT\&CK Tactic    | Collection (TA0009), Exfiltration (TA0010)                              |
| ATT\&CK Technique | Data from Cloud Storage (T1530), Transfer Data to Cloud Account (T1537) |
| Severity          | Medium                                                                  |

**Description**

An identity initiated a download of multiple cloud objects. This might be an indication for an adversary trying to exfiltrate data from cloud storage. This large volume of downloaded cloud storage operations has not been in this project for the last 30 days.

**Attacker's Goals**

Exfiltrate data from the cloud environment.

**Investigative actions**

Check the identity which invoked the operations. Check the accessed resource and verify it doesn't contain sensitive data.

</details>

<details>

<summary>An identity initiated a download of multiple cloud objects in large volume compared to the bucket's usual volume</summary>

**Synopsis**

| Field             | Value                                                                   |
| ----------------- | ----------------------------------------------------------------------- |
| ATT\&CK Tactic    | Collection (TA0009), Exfiltration (TA0010)                              |
| ATT\&CK Technique | Data from Cloud Storage (T1530), Transfer Data to Cloud Account (T1537) |
| Severity          | Low                                                                     |

**Description**

An identity initiated a download of multiple cloud objects. This might be an indication for an adversary trying to exfiltrate data from cloud storage. This large volume of downloaded cloud storage operations has not been seen in this bucket for the last 30 days.

**Attacker's Goals**

Exfiltrate data from the cloud environment.

**Investigative actions**

Check the identity which invoked the operations. Check the accessed resource and verify it doesn't contain sensitive data.

</details>


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