Dynamic trust evaluation method and system based on access subject behaviors

The invention discloses a dynamic trust evaluation method and system based on access subject behaviors, and the method comprises the following steps: configuring behavior parameter indexes in advance, constructing a fuzzy consistent matrix based on a fuzzy analytic hierarchy process, calculating and obtaining weight data based on the fuzzy consistent matrix, the weight data and the behavior parameter indexes are in one-to-one correspondence; acquiring access flow data, obtaining behavior parameters corresponding to the behavior parameter indexes, and generating corresponding trust parameters based on the behavior parameters; and performing calculation based on the fuzzy consistent matrix, the weight data and the trust parameter to obtain an access subject trust value. Behavior detection is performed based on the access flow data, the current trust value of the access subject is dynamically calculated according to the behavior of the access subject, and whether the current behavior of the subject is trusted or