The present application refers in particular to a computer-implemented method, computer program product, and computer system for trust evaluation of sensor data during at least part of a sensor data life-cycle, The computer-implemented method may comprise:evaluating an acquisition trust value (ATV) of sensor data at sensor data acquisition from at least one sensor node in a wireless sensor network (WSN), wherein the WSN comprises at least one sink;evaluating a delivery trust value (DTV) of sensor data at sensor data delivery from a sending entity to a receiving entity; andevaluating a processing trust value (PTV) at sensor data processing in a processing entity,to obtain a trust evaluation of the sensor data.
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