Unified data classification techniques

A computer system for data processing, comprising:

• one or more processors, one or more computer-readable memories, one or more computer-readable tangible storage medium, and program instructions stored on at least one of the one or more tangible storage medium for execution by at least one of the one or more processors via at least one of the one or more memories, wherein the computer system is capable of performing a method comprising:
• obtaining a plurality of files from a data source;
• analyzing content of said files to determine any common data information and structural information of each file, wherein said analysis also includes extracting a plurality of sensitive data;
• creating a common data representation by categorizing data from the analyzed files together, wherein at least one category contains any sensitive data extracted;
• and
• merging information that are similar into a unified file using said categories.

A computer program product for data processing, comprising:

• one or more computer-readable storage medium and program instructions stored on at least one of the one or more tangible storage medium, the program instructions executable by a processor, the program instructions comprising:
• obtaining a plurality of files from a data source;
• analyzing content of said files to determine any common data information and structural information of each file, wherein said analysis also includes extracting a plurality of sensitive data;
• creating a common data representation by categorizing data from the analyzed files together, wherein at least one category contains any sensitive data extracted;
• and
• merging information that are similar into a unified file using said categories.