Answer:
endorsement
Step-by-step explanation:
The CISSP stands for Certified Information Systems Security Professional. It is a certification which is granted by International Information System Security Certification Consortium.
This certificate is given after the completion of the certification examination and with the final approval or agreement by a third party who is qualified enough and authorized to grant such approval.
This third party may include a licensed professional, or a certified professional or by the candidate’s employer.
Hence the answer is --- "endorsement"