Survey on Personal Data Protection During Big Data Time Depending on the Context

The Big Data concept provides a new way to understand and change the world, thus greatly changing people\u27s way of thinking and way of living. With the rapid development of Internet and technology, people are interacting with the world and sharing themselves in everyday life, during which massive personal information is revealed willingly or unwillingly. From Internet of Things (IoT) to Internet of Everything (IoE), from 4G to 5G, unimaginable amount of data will be produced in coming decades. How to ensure the security of our personal data has arisen the concern of government and big enterprises. This paper is an overall analysis of the challenges we faced on personal data protection during the era of big data, which also provides relative solutions depending on different contexts of personal data