A security inspection system verifying a security system of electronic equipment may include an inspector having: a communicator connecting wireless diagnostic communication with the electronic equipment entering a process line; a KMS inspection portion inspecting a management state of generation and destruction of encryption key of a key management system device included in the electronic equipment; an application firewall inspection portion inspecting security policy of an application firewall disposed in a gateway of the electronic equipment; a version inspection portion updating at least one of a patch program and a firmware of the security system included in the electronic equipment; a database storing a program and data for a security inspection of the electronic equipment; and a controller performing diagnostic test of a firewall installation state, an encryption key management state, a transmission/reception state of an encrypted message, or blocking of abnormal data of the security system.