According to an embodiment, an electronic device comprises at least one processor, and a memory that stores instructions configured to cause the at least one processor to obtain first data associated with original data based on random number using a first program, obtain first similarity information between the original data and the first data, obtain second data associated with the original data based on the random number using a second program, obtain second similarity information between the original data and the second data, in response to receiving a request, and provide the first program or the second program based on information included in a request that corresponds to a range that includes at least one of the first similarity information or the second similarity information.