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Phase 3 Sprint 3.1 - Processing Schema Architecture

Summary

A dedicated telemetry processing validator package now enforces strict canonical payload schema and MITRE mapping validity before queue publish.

Threat Model

• Prevent malformed or semantically invalid telemetry from reaching processing stages.

Attack Vectors Considered

• Additional property injection.
• Missing canonical fields.
• Invalid ATT&CK technique/tactic identifiers.

Mitigations Implemented

• New services/telemetry_processing/validator.py module.
• Canonical payload model with strict field allow-list.
• MITRE format validators integrated into ingest flow.
• DLQ routing for canonical schema failures.

Residual Risk

• Schema evolution/versioning is not yet formalized.

Future Improvements

• Add schema version negotiation and migration tooling.

Architecture Diagram

flowchart LR
  TG[Telemetry Gateway]
  V[Canonical Schema + MITRE Validator]
  Q[(Telemetry Queue)]
  DLQ[(DLQ)]

  TG --> V
  V -->|valid| Q
  V -->|invalid| DLQ

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Docs | VectorVue | Nexus | Nyxera Labs