Posture check: AWS Default VPC is being used
Query: ```config from cloud.resource where api.name = 'aws-ec2-describe-vpcs' AND json.rule = default is true and shared is false and state equal ignore case available as X; config from cloud.resource where api.name = 'aws-ec2-describe-network-interfaces' AND json.rule = status equal ignore case in-use as Y; filter '$.X.vpcId equals $.Y.vpcId'; show X;```