5 Common Mistakes with Encryption at Rest

Data security often emphasizes protecting data in transit or during processing, but securing data at rest is equally crucial due to its potential for serious breaches, which can be mitigated through encryption. Encryption transforms data into ciphertext using cryptographic keys, with symmetric encryption employing a single key for both encryption and decryption, and asymmetric encryption using a pair of keys. Common mistakes in encryption at rest include storing unnecessary data, using weak or improperly implemented encryption algorithms, misaligning encryption in the software architecture, and poor key management. Key management errors often involve storing keys alongside data, unclear usage, and failing to rotate keys. It's essential to ensure data security across all states—at rest, in use, and in transit—to prevent unauthorized access. Solutions like Evervault offer encryption platforms that manage data securely, allowing encrypted data storage without altering database configurations.

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