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Telemetry Extension Specification v1

Version: 1.0.0 Status: Published (Sprint 33)

1. Purpose

Define normalized telemetry contract across orchestrator, broker, and federation bridge for VectorVue ingestion.

2. Supported Input Shapes

• CloudEvents specversion=1.0
• Internal telemetry event (event_type, actor, target, status)
• Legacy compatibility event (event, result, context)

Reference parser:

• pkg.orchestrator.telemetry_schema.TelemetrySchemaParser

3. Required Normalized Fields

Canonical event fields after parsing:

• event_type
• actor
• target
• status
• tenant_id
• attributes

4. Federation Extension Fields

Outbound federation payload MUST carry:

• execution_hash (unified execution fingerprint)
• tenant_id
• operator_id
• signed metadata and nonce/timestamp fields

Telemetry enrichment fields:

• mitre_techniques
• mitre_tactics
• soc2_controls
• iso27001_annex_a_controls
• nist_800_53_controls

5. Integrity and Trust Requirements

• mTLS MUST be used for federation transport.
• Payload signing MUST be enabled for federation requests.
• Replay detection MUST enforce nonce uniqueness + bounded timestamp freshness.
• Tenant context MUST remain present and unambiguous across parsing and federation.

6. Compatibility Notes

• Unknown attributes are preserved in attributes.
• Default ATT&CK/compliance mappings are applied when omitted.
• Explicit producer-supplied mappings override defaults when present and valid.

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