In any bulleted list description of the features of the Java execution environment, a phrase such as Java is secure will be found. Security can mean a lot of different things, and when developing Java applets, it is critical to understand the implications of Java security. Your applets are restricted to functioning within the Java security framework, which affects your design while enabling the safe execution of network-loaded code.

Security & the JVM

The Java Security API

The SecurityManager Class

The Java Security Framework

Applet Restrictions

What Necessitates Java Security?

Java Security Problems