WhatA drop-in sidecar or library that upgrades mTLS and internal service-to-service encryption to post-quantum algorithms without requiring changes to application code or existing certificate infrastructure.
SignalMultiple practitioners point out that while CDN and browser-facing TLS will be handled by vendors like Cloudflare, the truly painful migration is internal service mesh, mTLS between microservices, and legacy infrastructure with long-lived certificates and outdated TLS stacks that nobody owns or wants to touch.
Why NowService mesh adoption (Istio, Linkerd) has standardized the sidecar pattern, making it architecturally feasible to intercept and upgrade crypto at the network layer without application changes, right as the PQ deadline approaches.
MarketPlatform engineering and DevSecOps teams at mid-to-large companies running microservices; $1-3B TAM within service mesh and internal security tooling. Istio and Linkerd don't prioritize PQ; HashiCorp Vault handles secrets but not transport crypto upgrades.
MoatDeep integration into internal infrastructure creates massive switching costs, and compatibility testing data across thousands of internal service configurations builds a defensible knowledge base.
Cloudflare targets 2029 for full post-quantum securityView discussion ↗ · Article ↗ · 365 pts · April 7, 2026
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