The Oracle database provides security in the form of authentication, authorization, and auditing. Authentication ensures that only legitimate users gain access to the system. Authorization ensures that those users only have access to resources they are permitted to access. Some of Oracle Database securities features are:

• Advanced Security – including Transparent Data Encryption
• Key Vault – Key Management for TDE
• Database Auditing
• Audit Vault and Database Firewall
• Database Security Assessment Tool
• Database Vault
• Data Masking and Subsetting
• Database Authentication and Authorization
• Data Safe