SSO with abnormal operating system

Cortex XDR Analytics Alert Reference by Alert name

Product
Cortex XDR
Last date published
2024-06-04
Category
Analytics Alert Reference
Order
Alert name

Synopsis

Activation Period

14 Days

Training Period

30 Days

Test Period

N/A (single event)

Deduplication Period

1 Day

Required Data

  • Requires one of the following data sources:
    • AzureAD
      OR
    • Okta

Detection Modules

Identity Analytics

ATT&CK Tactic

Initial Access (TA0001)

ATT&CK Technique

Valid Accounts: Domain Accounts (T1078.002)

Severity

Informational

Description

A user successfully authenticated via SSO with an abnormal operating system.

Attacker's Goals

Use a legitimate user and authenticate via an SSO service to gain access to the network.

Investigative actions

  • Confirm that the activity is benign (e.g. the user has really moved to a new operating system).
  • Follow actions and suspicious activities regarding the user.