defense-in-depth encryption

noun
UK /dɪˈfɛns ɪn dɛpθ ɪnˈkrɪpʃən/
US /dɪˈfɛns ɪn dɛpθ ɛnˈkrɪpʃən/

Using many layers of secret codes to keep information safe.

The bank used defense-in-depth encryption so that even if one lock failed, the data stayed protected.

SYNONYMS

layered encryptionmulti-layer encryptiondefense-in-depth cryptographynested encryptionmulti-tier encryption

RELATED WORDS

encryptionsecurity layerscryptographydata protectionkey management

OTHER MEANINGS

2. A security strategy that combines multiple encryption methods and controls so no single failure exposes data.

Engineers applied defense-in-depth encryption across the network, storage, and application tiers.

3. The practice of encrypting data at rest, in transit, and in use as separate protective layers.

Defense-in-depth encryption meant the files were scrambled on the disk, over the wire, and during processing.

4. A compliance approach requiring redundant cryptographic safeguards for sensitive records.

Regulators praised the company's defense-in-depth encryption for protecting customer records.