The security of JDBC is a property of the JDBC driver that you use. In general, if your driver uses an SSL transport layer, it is as secure as the strength of your SSL keys. If it uses an unencrypted transport, it is not secure.

Is Oracle JDBC connection encrypted?

5.1 About the Java Implementation. The Java implementation of Oracle Advanced Security provides network encryption and integrity protection for Thin JDBC clients communicating with Oracle Databases that have Oracle Advanced Security enabled.

What are the disadvantages of JDBC?

• Performance is degraded since the JDBC call goes through the bridge to the ODBC driver then to the native database connectivity interface. …
• Limited Java feature set.
• May not be suitable for a large-scale application.