Oracle Database has so many security features and products but sometimes the very basics are overlooked. Oracle Database 19c, 21c, and the upcoming 23c brings in even more security features and options. In almost all deployments there are opportunities for immediate security improvements, or hardening, without requiring additional products or options. This presentation covers some key quick-wins (and security tricks) that DBAs can implement immediately to increase their overall Oracle Database security posture and reduce exposures. Applicable to almost all versions and editions.