Tracking of sensitive data

A system for tracking sensitive data, comprising:

• a processor;
• and
• a memory in communication with the processor, the memory containing program instructions that, when executed by the processor, are configured to cause the processor to perform a method, the method comprising:
• identifying, for a type of sensitive data, at least one key interface that carries the type of sensitive data;
• recording, for the type of sensitive data, the at least one key interface;
• generating, for the type of sensitive data, a series of service nodes based on the at least one key interface;
• and
• monitoring, for the type of sensitive data, corresponding data traffic flowing through corresponding series of service nodes, based on the identified at least one key interface.

A computer program product for tracking sensitive data, the computer program product comprising a computer readable storage medium having program instructions embodied therewith, the program instructions executable by a computer to cause the computer to:

• identify, for each type of sensitive data, at least one key interface that carries the type of sensitive data;
• record, for the type of sensitive data, the at least one key interface;
• generate, for each type of sensitive data, a series of service nodes based on the at least one key interface;
• and
• monitor, for each type of sensitive data, corresponding data traffic flowing through corresponding series of service nodes, based on the at least one key interface.