求翻译：公司围绕整个营运活动和可能引发的风险，建立、运作、操作、监督、审查、维持与改进文件化的信息安全管理系统。信息安全管理系统架构以持续改进为基础，遵循 PDCA的周期模式。是什么意思？

Companies around the entire operating activities and may lead to the risk, the establishment, operation, operation, monitoring, reviewing, maintaining and improving a documented Information Security Management System. Framework for information security management system based on continuous improveme

Companies around the entire trading activities and may trigger a risk for the creation, operation, operation, and oversight, review, maintenance and improvement of documentation of the information security management system. Information security management system framework based on continuous improv

The company revolves the risk which the entire transport business activity and possibly initiates, the establishment, the operation, the operation, the surveillance, the examination, the maintenance and the improvement document information security management system management system.The information

Companies around the entire trading activities and the possible impact of the risk, the establishment, operation, operation, monitoring, reviewing, maintaining and improving documented information security management system. Information security management system based on a framework for continuous

Companies around the entire trading activities and the possible impact of the risk, the establishment, operation, operation, monitoring, reviewing, maintaining and improving documented information security management system. Information security management system based on a framework for continuous