The Recommendation describes and recommends the framework of information security management for telecommunications to support Recommendation ITU-T X.1051 and other Recommendations ITU-T X.1055 etc. Information security management framework (ISMF) is based on a process approach to describe a set of security management areas which gives guidelines to telecommunications to fulfill the control object defined in Recommendation ITU-T X.1051 and other Recommendations ITU-T X.1055 etc. The management areas include asset management, incident management, risk management, policy management and so on, which map the controls defined by Recommendation ITU-T X.1051 to the implementation methodologies, so ISMF relates the Recommendation ITU-T X.1051 which gives the baselines for the telecommunications and other Recommendations, such as ITU-T X.1055 and ITU-T X.1056, which gives the practical methodologies focusing on a specific area of information security management.