Zero Trust Engineering — Service-to-service authorization

securityv1

/01 Views

Capability definition and hierarchyarchimate
Operational activity sequencesecurity
Exception and recovery activity sequencesecurity
Conformant decision branchsecurity
Denied, conditional or degraded branchsecurity
Identity-scoped information exchangec4
Context and decision inputsecurity
Policy authority and evaluationsecurity
Decision distribution and resource mediationsecurity
Enforcement decision evidencesecurity
Policy ownershiparchimate
Security control and protected resourcesecurity
Control and failure risksecurity
Conformance obligationarchimate
Capability assurancearchimate
Resource trust boundarysecurity
Activity-to-capability realizationarchimate
Logical service capability realizationarchimate
Step-up outcomesecurity
Challenge collectionsecurity
Fresh policy evaluationsecurity
Active-session revocationsecurity

/02 About

Applications and workloads engineering reference for service-to-service authorization, including policy, logical interfaces, recovery and assurance.

Purpose: Service-to-service authorization. Domain: Applications and workloads. Family: decision. Scenario trigger: Evaluate scoped service invocation. Input assurance: Authenticated caller, API operation, resource and delegated context. Evaluation: Evaluate operation-specific permission and purpose constraints. Governing policy: Least-privilege service call and delegation policy. Resource-side obligation: Admit bounded service operation or explicitly reject. Protected concern: Protected inter-service operation. Logical interface: Caller target method object scope context decision and obligation. Evidence: Service policy outcome request correlation and privilege evidence. Failure: Transitive privilege amplification or unscoped service grant. Required recovery: Deny operation and re-evaluate delegation authority. Architectural invariant: Authentication of a service is insufficient authorization of its actions Adoption: replace reference roles with concrete owner-controlled services. Specify exact provider/consumer identities, schema fields and classifications, signal provenance and freshness, idempotency, authorization lifetime, timeout/retry limits, observation and tamper evidence. A denied or failed operation must not silently become a permitted one. Scope: original vendor-neutral, implementation-agnostic technical reference model. Illustrative logical components and behaviors are neither a deployed system nor evidence of regulatory compliance. Package identities remain stable within the package; cross-package semantic reconciliation requires separate explicit registry support.

Curated · other · unspecified · Published by Lattix · 28 elements · 34 relationships · validated on publish

/03 Contents

Capability
Applications and workloads, Service-to-service authorization
Role
Applications and workloads owner
Business Actor
Access-requesting principal
Activity
Evaluate scoped service invocation, Verify: Authenticated caller, API operation, resource and delegated context, Assess: Evaluate operation-specific permission and purpose constraints, Execute: Admit bounded service operation or explicitly reject, Exception: Transitive privilege amplification or unscoped service grant, Recover: Deny operation and re-evaluate delegation authority, Collect additional authorization evidence
Application Component
Authenticated caller, API operation, resource and delegated context, Evaluate operation-specific permission and purpose constraints, Admit bounded service operation or explicitly reject
Application
Protected inter-service operation
Policy
Least-privilege service call and delegation policy
API
Service-to-service authorization logical interface
Message/Event Schema
Caller target method object scope context decision and obligation
Data Store
Service policy outcome request correlation and privilege evidence
Control
Service-to-service authorization enforcement assurance
Risk
Transitive privilege amplification or unscoped service grant risk
Requirement
Authentication of a service is insufficient authorization of its actions
Measure
Service-to-service authorization assurance completeness
Trust Boundary
Service-to-service authorization authority boundary
State
Conditionally authorized, Denied or additional proof required, Additional assurance required, Active authorization revoked