# Webhook Acknowledgment Hardening

This document describes the security measures for webhook acknowledgment validation.

## Overview

Webhook acknowledgment hardening ensures that webhook deliveries are properly verified and acknowledged.

## Security Measures

- HMAC signature verification for all webhook payloads
- Timeout handling for slow webhook endpoints
- Retry logic with exponential backoff
- Dead letter queue for failed deliveries

## Configuration

Webhook endpoints must be configured with:
- Secret key for HMAC signing
- Signature header name
- Timeout duration
- Maximum retry attempts