multi-layer encryption

noun
UK /ˌmʌltiˈleɪə ɪnˈkrɪpʃən/
US /ˌmʌltiˈleɪər ɪnˈkrɪpʃən/

Multi-layer encryption is when you lock a secret message many times with different keys so it stays extra safe.

The app uses multi-layer encryption to keep your photos private.


OTHER MEANINGS

2. A security design where data is encrypted more than once, often with different algorithms, so breaking one layer does not reveal the data.

Engineers chose multi-layer encryption for the backup files.

3. The practice of combining several encryption methods in sequence to strengthen protection against attackers.

Multi-layer encryption makes the stolen laptop's files nearly impossible to read.

4. A way of protecting information by wrapping it in several independent encryption steps, each adding its own safeguard.

The messaging service advertises multi-layer encryption for every chat.