In today's world security should be one of your highest priorities. The first thing you need to know is what attacks are possible and how to defend against them.

Begin your voyage into JMX (Java Management Extensions) with standard MBeans. Begin by defining a management interface, look at the design patterns you must use when building standard MBeans, then see some of the issues involved when using inheritance among standard MBean classes.

Privacy on the Internet is a hot topic. Gain an understanding of P3P (Platform for Privacy Preferences), what is can do, and why web sites adopt it.