الفهرس 
Big Data, Cloud Computing and CryptographyOnly 14 pages are availabe for public view
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Abstract
lot of new technology arises such as smartphones and sensors. These technologies led to generate a huge amount of data, which are in different structure and shapes. The huge information explosion makes the term big data appear. The big data technology such as NoSQL database and the rise of cloud computing make it easy to deal with big data. The NoSQL databases are built to meet the requirements of analytical world of big data, and less emphasis on security is given during design stage. Most of NoSQL databases do not provide any feature of embedding security in the database itself. Developers need to impose security in the middleware. Generally, an external security enforcement mechanism is essential for NoSQL databases.