Disclosed are a system and method for processing data. The system for processing data according to an embodiment of the present disclosure includes a determiner configured to receive one or more sets of input data and a set of metadata about a structure of each of the sets of input data and to determine whether the input data is normal data or abnormal data based on the metadata; a first storage configured to store the normal data; a second storage configured to store the abnormal data; and a data processor configured to correct the abnormal data stored in the second storage such that the abnormal data has the same structure as the normal data and store the corrected abnormal data in the first storage.