本文从电子档案安全风险与对策的角度,分析大数据环境下电子档案管理所面临的风险,着重介绍加密数据访问、隐私数据发布和灾难备份等安全技术,指出电子档案在大数据环境下面临的安全问题及对策。 This essay analyzes the risk of electronic file management in big data environment from the perspectives of security risks and countermeasures of electronic files. It focuses on security technologies such as encrypted data access, private data release and disaster backup. It points out that electronic files are faced with big data environment Security Problems and Countermeasures.