CloudWatch log metric filter and alarm are not set for Management Console authentication failures Affecting CloudWatch service in AWS
CCSS (Common Configuration Scoring System) is a set of measures used to determine the severity of the rule.
Each rule is associated with a high-level category. For example IAM, Container, Monitoring, Logging, Network, etc.
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Description
Monitoring failed console logins may decrease lead time to detect an attempt to brute force a credential, which may provide an indicator, such as source IP, that can be used in correlating other events.
How to fix?
Create an aws_cloudwatch_log_metric_filter and aws_cloudwatch_metric_alarm with an appropriate pattern attribute set for an aws_cloudwatch_log_group and aws_cloudtrail set of resources.
Use the following pattern attribute set:
$.eventName=ConsoleLogin
$.errorMessage=Failedauthentication