针对当前大数据的广泛应用，数据安全带来一系列隐患问题。本文首先对云计算环境下的数据安全隐患进行了简要分析，通过分析云计算中存在的数据安全问题，提出相应的数据安全保护策略。希望本文阐述能对相关工作人员提供一些建议和思考。

According to the widely usage of data, data security has brought a series of problems. This paper firstly gives a brief analysis of data security in cloud computing environment; then gives the corresponding data safety protection strategy. It is hoped that this article can provide some suggestions and ideas for the relevant staff.