When it comes to data security, many pundits point to cryptography and encryption as cure-alls that can safeguard structured and unstructured data. 

Generally speaking, cryptography is a superset of encryption -- much in the way that Java is a superset of JDBC, notes StackExchange. Cryptography can ensure the confidentiality of data, protect data from unauthorized modification, and authenticate the source of the data, according to IEEE. 

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