Description

It is recommended that a metric filter and alarm be established for Virtual Private Cloud (VPC) network changes. Monitoring changes to a VPC will help ensure VPC traffic flow is not getting impacted.

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  Recommended Mitigation

  In the User-defined Metrics section, ensure that at least one metric is present with filter text: resource.type=gce_network AND jsonPayload.event_subtype=""compute.networks.insert"" OR jsonPayload.event_subtype=""compute.networks.patch"" OR jsonPayload.event_subtype=""compute.networks.delete"" OR jsonPayload.event_subtype=""compute.networks.removePeering"" OR jsonPayload.event_subtype=""compute.networks.addPeering""