85 percent of security breaches today occur after a common vulnerability and exposure alert has already been issued but has not been addressed. Oracle's Autonomous Database is more secure than a manually operated database because it automatically protects itself from internal and external vulnerabilities and attacks. Learn more more about what a self-securing database has to offer.
This feature allows user to restrict access to an autonomous database based on a range of IP addresses and/or CDIR blog. Simple 5-step process: Goto the management console for your instance Select “Access Control List” under the “Actions” menu Select the type of list being created - IP or CIDR. Enter the list of values for the IPs or the CIDRs. Click Update