Control: 2.22 Ensure a log monitoring and alerts are set up for security group changes

Description

Real-time monitoring of API calls can be achieved by directing ActionTrail Logs to Log Service and establishing corresponding query and alarms. Security Groups are a stateful packet filter that controls ingress and egress traffic within a VPC. It is recommended that a query and alarm be established changes to Security Groups.

Remediation

Perform the following to ensure the log monitoring and alerts are set up for security group changes。

From Console

1. Logon to SLS Console.
2. Click Log Service Audit Service in the navigation pane.
3. Go to Access to Cloud Products > Global Configuration page.
   • Select a location of project for logs.
   • Check the Action Trail and configure a proper days.
   • Click Save to save the changes.
4. Go to Access to Cloud Products > Global Configurations click Central Project.
5. Select Log Management > Actiontrail Log.
6. In the search/analytics console, input below query

(event_name: CreateSecurityGroup or event_name: AuthorizeSecurityGroup or event_name: AuthorizeSecurityGroupEgress or event_name: RevokeSecurityGroup or event_name: RevokeSecurityGroupEgress or event_name: JoinSecurityGroup or event_name: LeaveSecurityGroup or event_name: DeleteSecurityGroup or event_name: ModifySecurityGroupPolicy) | select count(1) as cnt

7. Create a dashboard and set alert for the query result.