CloudWatch log metric filter and alarm are not set for Management Console sign-in without MFA Affecting CloudWatch service in AWS
Severity Framework
CCSS (Common Configuration Scoring System) is a set of measures used to determine the severity of the rule.
Snyk CCSS
Rule category
Each rule is associated with a high-level category. For example IAM, Container, Monitoring, Logging, Network, etc.
Monitoring/ Access
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AWS-Well-ArchitectedCIS-AWSCIS-ControlsCSA-CCMHIPAAISO-27001NIST-800-53PCI-DSS
- Snyk IDSNYK-CC-00097
- creditSnyk Research Team
Description
Monitoring for single-factor console logins increases visibility into accounts that are not protected by MFA.
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 one of the following pattern attribute sets:
$.additionalEventData.MFAUsed=No
$.eventName=ConsoleLogin
OR
$.additionalEventData.MFAUsed!=Yes