{"id":"iam-role-trust-policy-required","text":"Every IAM role requires a trust policy — a resource-based JSON policy that defines which principals (users, roles, accounts, services) can assume it.","truth_value":"IN","source":"entries/2026/03/08/iam-roles.md","source_url":"","source_hash":"0707454626f264ce","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"iam-role-trust-policy-required","truth_value":"IN","reason":"premise"}]}}