How are webhooks secured using this skill?

The skill provides Express.js middleware that verifies the 'x-cio-signature' header using HMAC SHA256 to ensure incoming data truly originated from Customer.io.

How does this skill help manage Customer.io API keys?

It provides implementation patterns for retrieving keys from secure vaults like AWS Secrets Manager or Google Cloud Secret Manager, moving away from insecure plain-text environment variables.

Does it support PII hashing?

Yes, it includes a utility for hashing sensitive identifiers using SHA256 with a salt, allowing for user matching without exposing plain-text personal information.

Can it help with data privacy regulations like GDPR?

Yes, it includes specific code snippets and workflows for user suppression and data deletion requests, which are essential for maintaining GDPR and CCPA compliance.

Customer.io Security Basics

Name: Customer.io Security Basics
Author: Brmbobo

byBrmbobo

Security & Testing

Implements secure Customer.io integrations through credential management, PII sanitization, and webhook verification.

About

This skill provides a standardized framework for securing Customer.io implementations within your application architecture. It guides developers through essential security patterns including secret management using AWS or Google Cloud, PII data sanitization and hashing, automated API key rotation workflows, and robust HMAC-based webhook verification. By applying these best practices, the skill ensures that marketing automation workflows remain compliant with data protection standards like GDPR and CCPA while significantly reducing the risk of credential leaks or unauthorized data exposure.

Key Features

0 GitHub stars
PII data sanitization and hashing patterns for sensitive attributes
GDPR and CCPA compliant data suppression and deletion logic
Express.js middleware for HMAC webhook signature verification
Secure credential management via GCP and AWS Secrets Managers
Standardized API key rotation and audit logging workflows

Use Cases

Implementing secure webhook endpoints to prevent spoofing attacks
Hardening production Customer.io integrations against credential theft
Sanitizing user data before syncing attributes to marketing platforms

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add brmbobo/web2podcast customerio-security-basics

For use in Claude.ai and ChatGPT

Download Skill

GitHub