This whitepaper explains how data masking enables GDPR and HIPAA compliance in Customer Communications Management (CCM) systems. By anonymizing sensitive data like PII and PHI, masking prevents unauthorized access while preserving usability for testing, analytics, and customer engagement. Techniques include static, dynamic, on-the-fly, and tokenization approaches. GDPR highlights data minimization and pseudonymization, while HIPAA treats masked PHI as de-identified data, easing regulatory audits. Adoption is widespread: 78% of healthcare providers and 84% of banks use masking. Benefits include reduced breach costs, compliance readiness, and secure multi-channel communication.

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