According to various embodiments, a document of value processing device may include: a secured chamber configured to accommodate one or more documents of value and to protect at least one handling device from unauthorized access; the at least one handling device disposed inside the secured chamber to handle at least an output of the one or more documents of value out of the secured chamber may; a control circuit coupled to the at least one handling device to control an operation of the at least one handling device; and a security circuit disposed inside the secured chamber. The security circuit is configured to receive a cryptographically processed signal, to verify the received cryptographically processed signal, and to disable or enable the operation of the at least one handling device based on a verification result.