Security is a large arena that includes network security for the connection, access, and execution control of operating system resources or of Java virtual machine (JVM)-defined and user-defined classes. Security also includes bytecode verification of Java Archive (JAR) files imported from an external source. This chapter describes the various security support available for Java applications within Oracle Database:

• Network Connection Security

• Database Contents and Oracle JVM Security

• Database Authentication Mechanisms Available with Oracle JVM

• Secure Use of Runtime.exec Functionality in Oracle Database