The CISSP curriculum breaks the subject matter down into a
variety of Information Security topics referred to as domains. The CISSP
examination is based on what ISC terms the Common Body of Knowledge. According
to ISC, “the CISSP CBK is a taxonomy – a collection of topics relevant to
information security professionals around the world. The CISSP CBK establishes
a common framework of information security terms and principles that allow
information security professionals worldwide to discuss, debate and resolve
matters pertaining to the profession with a common understanding.