In most open source software, security is one of the most important areas, but always addressed at a later stage. As the main SQL-like interface of data in Hadoop, Hive must ensure that data is securely protected and accessed. For this reason, security in Hive is now considered as an integral and important part of the Hadoop ecosystem. The earlier version of Hive mainly relied on the HDFS for security. The security of Hive gradually became mature after HiveServer2 was released as an important milestone of the Hive server.

This chapter will discuss Hive security in the following areas: