Module 8 · Customer Identity (CIAM) — Scale, Fraud, KYC

Manish Garg
Manish Garg Associate of (ISC)² · RingSafe
May 14, 2026
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Why this module exists. Customer identity (CIAM) is a distinct discipline from workforce identity — millions of users, self-service flows, fraud and abuse defence, multiple authentication factors balanced against UX friction. This module covers the CIAM-specific patterns and how they differ from workforce IAM.

CIAM vs workforce IAM — the differences

Dimension Workforce IAM CIAM
Scale Thousands Millions to hundreds of millions
Onboarding HR-provisioned Self-service registration
MFA tolerance Mandatory; users accept UX-sensitive; abandonment risk
Account recovery Help-desk-mediated Self-service required
Risk posture Trusted users; insider risk Account takeover, fraud, abuse
Identity proofing In-person at HR Online; KYC for regulated
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