A computing device according to an embodiment includes one or more processors, a memory in which one or more programs to be executed by the one or more processors are stored, a queue manager configured to receive a security detection request including a detection target file, a plurality of detectors configured to perform a security detection operation on the target detection file, and an operation distributor configured to acquire detection policy information related to the detection target file and distribute the detection target file received from the queue manager to one or more of the plurality of detectors based on the detection policy information.