What Does Certified Information Systems Security Professional (CISSP) Mean?
Certified Information System Security Professional (CISSP) is a vendor-neutral, independent certification offered by the International Information System Security Certification Consortium, otherwise known as (ISC)².
Techopedia Explains Certified Information Systems Security Professional (CISSP)
The CISSP exam is administered by Pearson VUE and is known for being difficult to pass the first time around because it covers such a broad range of infosec topics.