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To detect and prevent inference and other attacks from privileged users, Oracle recommends pairing Oracle Data Redaction with related database security products such as Oracle Audit Vault and Database Firewall, and Oracle Database Vault.Data redaction works as follows: , Oracle Database Vault extends the standard database audit data structure.When users select the column, the data is decrypted.This form of encryption is transparent, provides high performance, and is easy to implement.Oracle Database provides different authentication methods, including the following: is the process of transforming data into an unreadable format using a secret key and an encryption algorithm.Encryption is often used to meet regulatory compliance requirements, such as those associated with the Payment Card Industry Data Security Standard (PCI-DSS) or breach notification laws.
Administrators should grant privileges to users so they can accomplish tasks required for their jobs.
For example, credit card numbers, social security numbers, or patient health information must be encrypted. An intruder can use a network packet sniffer to capture information as it travels on the network, and then spool it to a file for malicious use.
Encrypting data on the network prevents this sort of activity.
Good security practice involves granting a privilege only to a user who requires that privilege to accomplish the necessary work.
is a named group of related privileges that a user can grant to other users or roles.