Cloud Watch alarm deletion

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	1 Day
Required Data	AWS Audit Log
Detection Modules	Cloud
ATT&CK Tactic	Defense Impairment (TA0112)
ATT&CK Technique	Disable or Modify Tools (T1685)
Severity	Informational

Description

A Cloud Watch alarm was deleted.

Attacker's Goals

Delete alarm to evade detection.

Investigative actions

• Check the identity that deleted the alarm.
• Check the which resource were related to the deleted alarm.