@3l2t7k
Data encryption at rest methods include AES-256, XTS, or ChaCha20-Poly1305 for securing stored identity data. Keys are managed via hardware security modules (HSMs) or key management services (KMS). Some systems use client-side encryption, where users control keys, or transparent data encryption (TDE) for databases. FIPS 140-2 compliance ensures standards adherence, protecting credentials from unauthorized access.
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