US Patent 10089489 Transparent client application to arbitrate data storage between mutable and immutable data repositories

Provided is a process including: receiving a first write request from an application requesting to write data to a first remote database via a network; classifying the second value as higher-security; and in response to classifying the second value as higher-security, redirecting the second value from a destination specified by the application in the received first write request, wherein an attacker with full access to the first database does not have access to the second value classified as higher security, and wherein code of the application is not modified to interface with two databases in place of the first remote database.