Elastic high deprecated kql

Deprecated - AWS Root Login Without MFA

Identifies attempts to login to AWS as the root user without using multi-factor authentication (MFA). Amazon AWS best practices indicate that the root user should be protected by MFA.

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Detection Logic

event.dataset:aws.cloudtrail and event.provider:signin.amazonaws.com and event.action:ConsoleLogin and
  aws.cloudtrail.user_identity.type:Root and
  aws.cloudtrail.console_login.additional_eventdata.mfa_used:false and
  event.outcome:success

False Positives

⚠ Some organizations allow login with the root user without MFA, however, this is not considered best practice by AWS and increases the risk of compromised credentials.

Field Validations

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