The Council of Registered Ethical Security Testers (CREST) is an international not-for-profit membership organization that represents and supports the professional information security testing industry. CREST provides assurance that its members meet internationally recognized standards for ethical practices and technical competence. To become a CREST member, organizations must meet rigorous requirements for ethical practices, technical competence and insurance cover. This provides clients with the assurance that they are working with a reputable and reliable security testing provider.