1.Obfuscation is the process of hiding,replacing or omitting sensitive information.
+Masking is the process of using specific characters to hide certain parts of a specific dataset.For instance,displaying asterisks for all but last 4 digits of SSN.
2.Data anonymization is the process of either encrypting or removing personally Identifiable information from datasets,so that the people whom the data describes remain anonymous.
3.Tokenization: Public cloud service can be integrated and paired with a private cloud that stores sensitive data.The data sent to the public cloud is altered and contains a reference to the data residing in the private cloud.