Importance of Database Security

Database security is highly important because it prevents data loss, leakage, or unauthorized access to sensitive data. A few of many ways to secure a database is by making sure the hosting machine is housed, secured, locked and monitored to prevent unauthorized entry, access or theft. Apart from physical security the database should have firewalls implemented with default rules to deny all traffic, only opened to specific applications or web servers.

User database roles and management is another security need of a database system. This implements access to only authorized users, and minimal permissions are given to each job function. Database backup and recovery is another important piece of database security. This prevents data loss keeping a copy of the database when in need. Keeping backup and recovery procedures documented and periodically is a good practice. Another security need of a database is encryption and key management, allowing data to be encrypted during transmission over the network, minimizing data exposure if intercepted or misrouted.

Sources:

https://security.berkeley.edu/resources/best-practices-how-articles/database-hardening-best-practices

https://docs.oracle.com/cd/A58617_01/server.804/a58396/ch1.htm

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