Data Security Standards such as PCI(Payment Card Industry) and HIPAA(Health Insurance Portability and Accountability Act) require that sensitive/personal information should be kept private
Example Personal Identity information to be kept private

• Social Security Number
• Credit Card number
• Driver License number
• Name
• Birthdate

What is Selective Data Masking ?: Data masking or data obfuscation is the process of hiding original data with random characters or data. Selective masking is to mask the result based on query result column.