系统开发和维护（System development and maintenance）； 系统的安全需求——确保安全内建于信息系统中。 应用系统的安全——防止丢失、篡改和误用信息系统中的用户数据。
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系统采购、开发和维护 Information system acquisition, development and maintenance
一个用于对系统开发和维护进行过程管理和质量提高的集成的、常识性的程序。
An integrated, common-sense application of process management and quality improvement to system development and maintenance.
但是随着银行业务的增加和更新，系统日益复杂，系统开发和维护的难度越来越高。
But with the banking service updating, software system become more complex, development and maintenance become much more difficult.
在基于COTS系统开发和维护过程中有两个主要的问题开发人员必须面对：首先是缺少足够的信息。
COTS Based System development and maintenance has two mainly problems application developer must deal with: First is Lack of information.
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