Database encryption and public key cryptography are recommended for securing data. A passphrase protects the key pair and must be kept separately with an authorized person, then entered at boot time to decrypt the database. The passphrase is also used over HTTPS to secure online transactions.

1. Data Encryption
Recommendation

2. Database Encryption

3. Public Key Cryptography Standard

4. Passphrase
 Passphrase protects key
pair
 Kept separately from host
with authorized person
 Must be entered at boot
time
 Used over HTTPS to
secure transactions