Amazon_CloudWatch_10
Real-time monitoring of API calls can be achieved by directing CloudTrail Logs to CloudWatch Logs and establishing corresponding metric filters and alarms. Security Groups are a stateful packet filter that controls ingress and egress traffic within a VPC. It is recommended that a metric filter and alarm be established changes to Security Groups.
Perform the following to ensure a log metric filter and alarm exist for security group changes
Note : Filter pattern for security group changes
filterPattern”: “{ ($.eventName = AuthorizeSecurityGroupIngress) || ($.eventName =
AuthorizeSecurityGroupEgress) || ($.eventName = RevokeSecurityGroupIngress) ||
($.eventName = RevokeSecurityGroupEgress) || ($.eventName = CreateSecurityGroup) ||
($.eventName = DeleteSecurityGroup)}”
Perform the following to setup the metric filter, alarm, SNS topic, and subscription:
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