Data security is the most important thing to organizations now days. Many organizations use privacy policies to hide their data to prevent it from being misused. To achieve this data masking and data encryption techniques are being used. In this paper we discuss these two techniques for hiding sensitive data from being accessed by unauthorized users.
Format Preserving Masking (FPM); Format Preserving Encryption (FPE); Credit Card Numbers (CCN); Social Secuirty Numbers (SSN).