Disclosed are a method and apparatus for processing information by cooperation of multiple subjects, by submitting an information processing task to first multiple subjects; performing security analysis on information processing results obtained by executing the information processing task by the first multiple subjects, determining an updated processing manner of executing the information processing task based on a result of the security analysis; and submitting the information processing task to second multiple subjects according to the determined updated processing manner. Information processing results of executing the information processing task by the second multiple subjects are obtained, each of the second multiple subjects and each of the first multiple subjects save same information associated with the information processing task, and the information is updated based on the information processing results of executing the information processing task by the second multiple subjects.