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Hardening Webhook Ingestion: Preventing Replay Attacks with Constant-Time HMAC Verification and Idempotency Controls

This story is from 2026-10-24. It is preserved in the archive; the latest stories are on the live feed.

Hardening Webhook Ingestion: Preventing Replay Attacks with Constant-Time HMAC Verification and Idempotency Controls Public-facing webhook endpoints represent an essential integration surface for modern SaaS platforms and distributed architectures. However, exposing ingestion endpoints to the publi…

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  1. 2026-10-24 23:33 · DEV Community — AI
    Hardening Webhook Ingestion: Preventing Replay Attacks with Constant-Time HMAC Verification and Idempotency Controls

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