Require Non Mfa Login Alarm

Ensure a log metric filter and alarm exist for AWS Management Console sign-in without MFA

You can do real-time monitoring of API calls by directing CloudTrail logs to CloudWatch Logs and establishing corresponding metric filters and alarms.

CIS recommends that you create a metric filter and alarm console logins that aren’t protected by MFA. Monitoring for single-factor console logins increases visibility into accounts that aren’t protected by MFA.

Impact

Not alerting on logins with no MFA allows the risk to go un-notified.

Links

• https://aws.amazon.com/iam/features/mfa/