Chapter 12

Security and Privacy in Big Data

L. Ou; Z. Qin; H. Yin; K. Li


In the Big Data era, it is more and more important and challenging to store massive data securely and process it effectively. Generally, Big Data is processed and queried on the cloud computing platform. Cloud computing can provide various elastic and scalable IT services in a pay-as-you-go fashion, but also it brings privacy and security problems. Additionally, adversaries can utilize correlation in Big Data and background knowledge to steal sensitive information. But the data correlations in Big Data are very complex and quite different from traditional relationships between data stored in relational databases. So it is more and more challenging to ensure security ...

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