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Cross-Tenant & Autonomous Agent Negotiation
🤝 Agent-to-Agent (A2A) Protocol & Inter-Agent Standards⏱ 20 min⭐ 200 BASE XP⌨ HANDS-ON LAB
Secure Cross-Tenant Agent Interaction
When enterprise agents collaborate across corporate borders (e.g., Supplier agent talking to Manufacturer agent), security cannot rely on shared API keys. It demands Microsoft Entra ID Workload Identity Federation:
- Mutual Trust: Tenants configure cross-tenant access settings and trust external Entra ID tenant IDs.
- Granular Application Roles: Agents request minimal scopes like
Agent.Delegate.ReadWrite. - Continuous Access Evaluation (CAE): Real-time token revocation if either tenant flags a security risk.
⌨ HANDS-ON LABTest Cross-Tenant OAuth Token Exchange for A2A
⭐ +200 XPAuthenticate cross-tenant agent delegation using Microsoft Entra ID workload identity federation.
1Acquire a cross-tenant service principal token for A2A invocation.
OBJECTIVE 1 / 1 — type "hint" if stuck
SYNAPSE VERIFICATION
QUERY 1 // 1
How are credentials secured during cross-tenant Agent-to-Agent invocations?
Plaintext passwords in query strings
Microsoft Entra ID Workload Identity Federation with continuous access evaluation
Anonymous public endpoints
Hardcoded API keys