Build AutoShield secure AWS IoT telemetry MVP

[arshhunerkar-security]

What changed

• Added a validated connected-vehicle telemetry contract
• Added registry-based vehicle authorisation
• Added explainable security detection rules
• Added a repeatable local security demonstration
• Added cost-controlled AWS IoT Core infrastructure
• Added X.509 and mutual-TLS MQTT 5 publishing with QoS 1
• Added architecture decisions and redacted cloud proof
• Expanded the automated suite to 28 tests and 4 subtests

Why

This creates a security-first Solutions Architecture portfolio case study demonstrating trust boundaries, least privilege, infrastructure as code, cost control and testable architectural decisions.

Validation

• 28 tests passed
• 4 subtests passed
• AWS IoT CONNECT: ALLOWED
• AWS IoT PUBLISH: ALLOWED
• One synthetic QoS 1 telemetry message verified in AWS IoT Core
• Git history checked for credentials and private-key material