Oracle security

Oracle provides quite a few possibilities to enhance security:

User accounts
Authentication
Encryption
Data Redaction
Orientation (?)
Database Vault
Virtual Private Database (VPD). Oracle restricts returned records from a select statement by adding a where condition. (See also dbms_rls)
Label Security
Data access monitoring (auditing and audit policies)
Real Application Security (which, unlike VPD, allows to declaratively formulate security policies so that no PL/SQL objects need to be maintained)

Database Security Assessment Tool (DBSAT)

DBSAT is a command-line tool that helps identify and assess security risks. The tool is able to recommend changes in order to mitigate these risks.

DBAT has three components:

Collector	Collects the raw data by executing SQL statements and OS commands
Reporter	Analyzes the collected data and produces the report with the findings.
Disoverer

DBSAT consists of SQL and Python scripts and can by downloaded from MOS note 2138254.1.

Data Safe is a cloud service which builds on DBSAT and provides