Processing personally identifiable information from separate sources

A method for data security including:

• receiving at a server a first record, said first record including a first poly-identifier representing a first personally identifiable information (PII), and a first contextual information, said first poly-identifier comprised of unique characters associated with a name field of a name record in a PII structured data store;
• receiving at the server a second record, said second record including a second poly-identifier representing a second personally identifiable information (PII) and a second contextual information, said second poly-identifier comprised of unique characters associated with the name field of the name record in the PII structured data store;
• comparing the first and second contextual information to calculate a correlation score said comparing including identifying at least one contextual information common to both the first record and the second record;
• creating a match table entry as a result of said comparing, said match table entry including both an internal ID and an external anonymous ID, and
• transmitting the external anonymous ID over a network.