A quick reference guide for securing the Oracle Database.  The guide includes information on (1) standard Oracle Database accounts and default passwords, (2) password controls and profile settings, (3) Critical Patch Updates (CPUs) and Patch Set Updates (PSUs), (4) important security related SYS views and tables, (5) recommended Oracle Database file permissions, (6) security related initialization parameters, (7) useful SQL security statements, (8) important system and object privileges, and (9) auditing configuration.

Reference, Oracle Database, Auditor, DBA