Encrypted Data Migration
Migrate encrypted data with zero decryption exposure. Maintain end-to-end encryption at rest, in transit, and in use throughout migration with automated key management and compliance validation.
Three-Layer Encryption Architecture
Layer 1: Encryption at Rest
All data remains encrypted in storage throughout the migration process with no temporary decryption.
- • Automatic encryption of entire databases and backups
- • AES-256 encryption with hardware acceleration
- • Zero application changes required
- • Migrate TDE-encrypted databases without decryption
- • Encrypt sensitive columns (SSN, credit cards, passwords)
- • Separate encryption keys per field type
- • Maintain encryption during transformation and validation
- • Support for deterministic and randomized encryption
- • Encrypted staging areas and temporary files
- • Encrypted backup and snapshot storage
- • Encrypted log files and audit trails
- • Automatic secure deletion after migration
Layer 2: Encryption in Transit
All data transfers use military-grade encryption with perfect forward secrecy and certificate pinning.
- TLS 1.3: Latest encryption protocol with perfect forward secrecy (PFS) for all network communications
- VPN Tunnels: Encrypted tunnels for cross-network and cross-cloud data transfers
- Certificate Pinning: Prevent man-in-the-middle attacks with certificate validation
- Mutual TLS (mTLS): Two-way authentication for API connections and service-to-service communication
- Encrypted Streaming: Real-time data streaming with end-to-end encryption for zero-downtime migrations
Layer 3: Encryption in Use
Data remains encrypted even during processing with secure enclaves and memory encryption.
- Secure Enclaves: Process sensitive data in isolated, encrypted memory regions (Intel SGX, AWS Nitro Enclaves)
- Memory Encryption: Encrypt application memory to prevent data exposure during processing
- Homomorphic Encryption: Perform operations on encrypted data without decryption for validation and transformation
- Secure Data Wiping: Cryptographically wipe memory after processing to prevent data remnants
- Minimal Decryption: Decrypt only the minimum necessary data for the shortest possible time
Automated Encryption Key Management
Enterprise Key Management
Automated encryption key lifecycle management with hardware security modules (HSMs) and compliance-ready key rotation.
Key Storage & Protection
- Hardware Security Modules (HSMs) for key storage
- FIPS 140-2 Level 3 certified key management
- Multi-region key replication for disaster recovery
- Bring Your Own Key (BYOK) support
Key Lifecycle Management
- Automated key generation and provisioning
- Scheduled key rotation with zero downtime
- Key versioning and rollback capabilities
- Secure key destruction and archival
Access Control
- Role-based key access control (RBAC)
- Multi-person authorization for key operations
- Just-in-time key access with automatic expiration
- Complete audit trail of all key operations
Compliance & Monitoring
- Real-time key usage monitoring and alerting
- Compliance reporting for PCI-DSS, HIPAA, GDPR
- Anomaly detection for unauthorized key access
- Automated compliance validation and evidence
Encrypted Migration Approaches
TDE-to-TDE Migration
Migrate entire encrypted databases without decryption by transferring TDE certificates and keys.
- Export TDE certificate from source database
- Transfer encrypted backup files
- Import certificate to target database
- Restore encrypted backup without decryption
Re-Encryption Migration
Decrypt data in secure enclaves and immediately re-encrypt with target system keys.
- Decrypt data in isolated secure enclaves
- Transform and validate in encrypted memory
- Re-encrypt with target system keys
- Secure wipe of decrypted data from memory
Field-Level Encryption Migration
Migrate field-encrypted data while maintaining encryption on sensitive columns throughout the process.
- Identify encrypted fields in source schema
- Transfer encrypted field values without decryption
- Migrate or rotate encryption keys as needed
- Validate encryption integrity in target system
Hybrid Encryption Migration
Combine multiple encryption methods for optimal security and performance during migration.
- TDE for bulk data encryption at rest
- Field-level encryption for most sensitive data
- TLS 1.3 for all data in transit
- Secure enclaves for processing sensitive fields
People Also Ask
Can you migrate encrypted data without decrypting it?
Yes. For TDE-encrypted databases, you can migrate the entire database without decryption by transferring the TDE certificate and encrypted backup files to the target system. The target system imports the certificate and restores the encrypted backup, maintaining encryption throughout. For field-level encrypted data, encrypted values can be transferred directly if using the same encryption keys, or re-encrypted in secure enclaves if changing keys. This approach maintains zero decryption exposure and is the most secure migration method for highly sensitive data.
How do you manage encryption keys during migration?
Encryption keys are managed through automated key lifecycle management with hardware security modules (HSMs). The process includes: (1) Secure key export from source system using encrypted key containers, (2) Transfer keys through encrypted channels (TLS 1.3, VPN tunnels), (3) Import keys to target HSM with multi-person authorization, (4) Key rotation if required by security policy, and (5) Validation that all encrypted data can be accessed with migrated keys. Keys are never exposed in plaintext and all key operations are logged in immutable audit trails for compliance.
What is the performance impact of encrypted migration?
Encrypted migration has minimal performance impact with modern hardware acceleration. TDE-to-TDE migration (no decryption) performs at the same speed as unencrypted migration since data remains encrypted. Re-encryption migration (decrypt and re-encrypt) adds 10-15% overhead but uses hardware AES acceleration and parallel processing to minimize impact. Field-level encryption migration depends on the number of encrypted fields but typically adds less than 20% overhead. The security benefits far outweigh the minor performance cost, and the migration still completes 10-50x faster than traditional methods.
How do you validate encryption after migration?
Encryption validation includes: (1) Verify all data is encrypted at rest in target system using database encryption status queries, (2) Confirm encrypted fields can be decrypted with correct keys and produce expected plaintext, (3) Validate encryption algorithms and key strengths match security requirements, (4) Test that unauthorized access attempts cannot read encrypted data, (5) Verify encryption keys are properly stored in HSMs, and (6) Confirm audit trails capture all encryption operations. Automated validation runs continuously during migration with instant alerts for any encryption failures.
What compliance requirements apply to encrypted data migration?
Encrypted data migration must comply with: (1) PCI-DSS - requires encryption of cardholder data at rest and in transit with key management controls, (2) HIPAA - requires encryption of PHI with access controls and audit trails, (3) GDPR - requires encryption as a technical safeguard for personal data with key management, (4) SOX - requires encryption of financial data with segregation of duties for key access, and (5) Industry standards - NIST, ISO 27001, FIPS 140-2 for encryption algorithms and key management. The migration system includes built-in compliance validation with automated evidence collection for auditors.
Migrate Your Encrypted Data Securely
Maintain end-to-end encryption with zero decryption exposure and automated key management.