Data security communication system and method based on risk assessment

The invention relates to the technical field of data security communication, in particular to a data security communication system and method based on risk assessment, and the system comprises user terminal I and user terminal II, each of which is internally provided with an account registration module and an information input module; communication equipment I which comprises a data preprocessing module I, an information receiving module I, an information sending module I, a data information processing module I and a storage module I; and communication device II which comprises a data preprocessing module II, an information receiving module II, an information sending module II, a data information processing module II and a storage module II. According to the method, risk assessment is carried out on all data needing to be transmitted, high-risk data information is filtered, and influences on other data are avoided; according to the invention, the stored data information is encrypted, so that the data can be e