Certified Information Systems Security Professional ( CISSP ) is an independent information security certification granted by the International Information System Security Certification Consortium, also known as (ISC)² . Companies with CISSP certification have the knowledge and skills necessary to perform core security functions required of any cybersecurity role. CISSP professionals know how to identify and address potential threats, attacks and vulnerabilities and they have established techniques in risk management, risk mitigation, threat management and intrusion detection.