CloudWatch log metric filter and alarm are not set for VPC changes 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/ Accounts Monitoring
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AWS-Well-ArchitectedCIS-AWSHIPAAISO-27001NIST-800-53PCI-DSSSOC-2
- Snyk IDSNYK-CC-00116
- creditSnyk Research Team
Description
Monitoring changes to VPCs helps ensure that VPC traffic flow is not being negatively impacted.
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=CreateVpc
$.eventName=DeleteVpc
$.eventName=ModifyVpcAttribute
$.eventName=AcceptVpcPeeringConnection
$.eventName=CreateVpcPeeringConnection
$.eventName=DeleteVpcPeeringConnection
$.eventName=RejectVpcPeeringConnection
$.eventName=AttachClassicLinkVpc
$.eventName=DetachClassicLinkVpc
$.eventName=DisableVpcClassicLink
$.eventName=EnableVpcClassicLink