ISO / IEC 27003 [documento electrónico] : information technology; : security techniques; : information security management systems implementation guidance
ISO / IEC 27033-3 [documento electrónico] : information technology; : security techniques; : network security; : part 3; : reference networking scenarios - threats, design techniques and control issues
ISO/IEC TR 20000-4 [documento eletrónico] : information technology; : service management; : part 4; : process reference model