Security Encyclopedia

CISSP (Certified Information Systems Security Professional)

The CISSP (Certified Information Systems Security Professional) is a professional certification sponsored by the (ISC)². It covers eight areas of focus within cybersecurity and is for information security practitioners seeking professional development.

While there are other recognized certifications for security professionals, the CISSP is the foremost of its kind in terms of marketability. It is sponsored by the (ISC)², the International Information System Security Certification Consortium. The CISSP is the first such certification to be recognized by the International Organization for Standardization (ISO) and the US Department of Defense (DoD) recognizes it for some DoD functions.

CISSP requirements include four years of experience, a single exam consisting of 250 questions taken over 6 hours, and a fee.


“The CISSP is the most familiar and recognized certification for cybersecurity professionals.”