CISSP or Certified Information System Security Professional is a globally recognized certification offered by the ISC2 (International Information Systems Security Certification Consortium). The certification validates a candidate's ability and expertise in all fields of information security.
The CISSP constitutes various topics under information security studies. The final examination is based upon a Common Body of Knowledge (CBK) – a taxonomy or collection of relevant topics for IS security professionals worldwide. The CBK is a large framework of terms and principles allowing professionals worldwide to debate, discuss and solve situations relevant to common information security understanding.
It's a step up from the Security+ cert and validates everything you'd typically learn in your first four years as a security professional. The CISSP is a great next step beyond either of these two exams. ... If you have broad infosec experience, you're good to start with the CISSP