SecureBoot was disabled

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

14 Days

Required Data

  • Requires:
    • XDR Agent
  • Requires:
    • eXtended Threat Hunting (XTH)

Detection Modules

ATT&CK Tactic

Persistence (TA0003)

ATT&CK Technique

Pre-OS Boot (T1542)

Severity

Low

Description

SecureBoot was disabled, this might be indicative of someone trying to install an alternate non UEFI supported OS.

Attacker's Goals

Disable SecureBoot to install another OS on the machine.

Investigative actions

Check if a new operating system was installed on the same hardware.