Patent ID: 11916878
Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 6:
7. A security method for communication between Internet of Things (IoT) devices using a security apparatus, the security method comprising:
unifying a port in a security apparatus communicating with a first IoT device and a second IoT device for communicating with the first IoT device;
receiving, by the security apparatus, a packet from the first IoT device through the port;
identifying whether the packet in the security apparatus is in a preset packet form;
relaying the packet to the second IoT device when the packet is in the preset packet form;
verifying content of the packet by the second IoT device; and
opening the port in the security apparatus for providing a service when the verifying of the content of the packet is successful, and
wherein the port for providing the service is closed after being opened for a preset period.