{"id":"security-groups-evaluate-all-rules-union","text":"When multiple security groups are associated with an instance, EC2 evaluates all rules from all associated security groups together as a union.","truth_value":"IN","source":"entries/2026/03/08/ec2-security-groups.md","source_url":"","source_hash":"84edf14aea8ab364","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"security-groups-evaluate-all-rules-union","truth_value":"IN","reason":"premise"}]}}