[Problem] To provide a technology with which it is possible to reduce the possibility that input information is improperly read by another person. [Solution] Provided is an automatic transaction device 10 that is equipped with: an operation unit 70 that accepts the input of transaction-related information from an operator; a first cover 71 that can move between a first closed position relative to some or all of the operation unit 70, and a first open position relative to the operation unit 70; and a first detection unit 78 that detects whether the first cover 71 is in the first closed position or the first open position.
