Varl?k sahipli?i sorumluluklar? belirlenmi? mi? ??letmedeki her varl???n sorumlusu atanm?? m? ve bu sorumluluklar net bir ?ekilde tan?lamamlanm?? m??Certification is valid for three years and is maintained through a programme of annual surveillance audits and a three yearly recertification audit. See more details Information Security ToolkitISO 270