CIAM (Customer Identity & Access Management) is where IAM meets real product constraints: conversion rates, support costs, fraud, privacy regulation, and at-scale reliability.
This page is vendor-agnostic by design: the concepts apply whether you use a homegrown stack or a CIAM platform.
Why this is core CIAM
CIAM is where identity meets privacy law and product analytics.
Key concepts
- Purpose limitation: collect data for a stated purpose
- Consent management: record what the user agreed to and when
- Data minimization: store only what you need
Practical steps
- Separate “terms of service acceptance” from marketing consent
- Maintain a consent ledger (purpose, timestamp, version)
- Support data export and deletion workflows
Checklist
- Default to least data
- Encrypt sensitive attributes
- Clear retention schedules
- Incident response plan that includes consent and profile data