{"id":"default-vpc-security-group-used-when-none-specified","text":"If no security group is specified at instance launch, the default security group for the VPC is used.","truth_value":"IN","source":"entries/2026/03/08/ec2-security-groups.md","source_url":"","source_hash":"84edf14aea8ab364","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"default-vpc-security-group-used-when-none-specified","truth_value":"IN","reason":"premise"}]}}