> 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/okta-device-assignment.md).

# Okta device assignment

### Synopsis

| Field                | Value                                         |
| -------------------- | --------------------------------------------- |
| Activation Period    | 14 Days                                       |
| Training Period      | 30 Days                                       |
| Test Period          | 6 Hours                                       |
| Deduplication Period | 1 Day                                         |
| Required Data        | Okta Audit Log                                |
| Detection Modules    | Identity Threat Module                        |
| Detector Tags        | Okta Audit Analytics                          |
| ATT\&CK Tactic       | Initial Access (TA0001), Persistence (TA0003) |
| ATT\&CK Technique    | Valid Accounts (T1078)                        |
| Severity             | Informational                                 |

### Description

A device was assigned as an Okta MFA device to a user.

### Attacker's Goals

For purposes of maintaining persistence, an attacker could potentially register his device with various accounts that have been compromised.

### Investigative actions

* Confirm that the device assignments were intentionally made by the users and are legitimate.
* Examine the IP address and assess its reputation.
* Continue monitoring the accounts for any subsequent actions that may indicate suspicious behavior.

### Variations

<details>

<summary>A suspicious assignment of a mobile device to multiple users</summary>

**Synopsis**

| Field             | Value                                         |
| ----------------- | --------------------------------------------- |
| ATT\&CK Tactic    | Initial Access (TA0001), Persistence (TA0003) |
| ATT\&CK Technique | Valid Accounts (T1078)                        |
| Severity          | Low                                           |

**Description**

A single device is being used as an Okta MFA device by multiple users.

**Attacker's Goals**

For purposes of maintaining persistence, an attacker could potentially register his device with various accounts that have been compromised.

**Investigative actions**

* Confirm that the device assignments were intentionally made by the users and are legitimate.
* Examine the IP address and assess its reputation.
* Continue monitoring the accounts for any subsequent actions that may indicate suspicious behavior.

</details>


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