Security+ Objective 1.4 Carry out the appropriate procedures to establish application security – Java

Java, like ActiveX, allows web applications that do a lot more than HTML. Unlike ActiveX, it isn’t tied to Microsoft products. This means you can run Java applets on Microsoft systems as well as other platforms, like Linux and Mac OS.
When you install Java on a system, you are giving it a Java virtual machine that will run the Java applet inside itself. The applet doesn’t know what OS you have installed because it is contained in its own virtual computer. This means the program doesn’t have to be customized to work on various operating systems. Security wise, this means that the applet runs in a sandbox. The sandbox is the Java virtual machine that keeps the applet contained and controls its interaction with the host OS and system resources.

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