Alibaba Group Holding Limited
Data processing, watermark embedding and watermark extraction

Abstract:

A method including obtaining a data query request sent by a client terminal; obtaining first query request data based on the data query request; duplicating the first query request data to obtain second query request data; embedding identifier information of the client terminal as watermark information into the second query request data to obtain watermarked query request data; and feeding the watermarked query request data back to the client terminal. The techniques of the present disclosure solve the problem of failure to track leakage during data breach.