Architecting Zero-Trust Ingress Boundaries Between Client Applications and Cloud Platforms

Core engineering and protocols for Application-to-Platform Ingress.

The Vulnerability of Cloud Platform Ingress

Cloud platforms host an organization's most critical databases, business logic, and compute clusters. Traditionally, platforms rely on perimeter firewalls and classical TLS 1.2/1.3. However, data intercepted today on external internet transit links can be recorded and decrypted when quantum adversaries emerge, exposing sensitive customer data and long-term platform secrets.

AP2Shield Ingress Gateway Architecture

AP2Shield deploys high-performance Envoy-based edge ingress gateways updated with OpenSSL 3.x post-quantum providers. Handshakes negotiate hybrid ML-KEM key exchange, ensuring forward secrecy against harvest-now-decrypt-later attacks while maintaining seamless compatibility with older client devices.

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