ISC-squared

(ISC)² ("ISC-squared") is the largest not-for-profit membership body of certified information security professionals worldwide, with over 80,000 members in more than 135 countries. (ISC)² issues the Certified Information Systems Security Professional (CISSP) and related concentrations, as well as the Certified Secure Software Lifecycle Professional (CSSLP), Certified Authorization Professional (CAP), and Systems Security Certified Practitioner (SSCP) credentials to qualifying candidates. (ISC)²'s certifications are among the first information technology credentials to meet the stringent requirements of ISO/IEC Standard 17024, a global benchmark for assessing and certifying personnel. (ISC)² also offers education programs and services based on its CBK, a compendium of information security topics.