电力营销的过程中会产生和积累大量的重要电子数据,如客户信息、帐务信息、欠费信息、信用信息等,这些数据一般会采用磁盘备份、磁带备份等方式进行备存,采用用户名、密码方式进行访问。备存营销数据具有一定的契约性,一经确认,是不能够抵赖和反悔的,必须采用有效手段保证数据的可靠性,不可抵赖性和可鉴别性。目 The process of electricity marketing will generate and accumulate a large number of important electronic data, such as customer information, accounting information, arrears of information, credit information, etc., these data will generally be backed up using disk backup, tape backup, etc., using the user name , Password way to visit. Keeping the marketing data has a certain contractual, once confirmed, can not deny and regret, must use effective means to ensure data reliability, non-repudiation and identifiability. Head