Apparatus and method for protecting communication pattern of network traffic

A communication terminal device in an apparatus for protecting a communication pattern of network traffic, comprising:

• a communication creation unit for, if an artificial communication creation request is received from a communication server device, creating artificial communication;
• a transmission/reception unit for transmitting the created artificial communication to a receiving side-communication terminal device, and receiving artificial communication from a transmitting side-communication terminal device;
• and
• a filtering unit for, if an artificial communication filtering request is received from the communication server device, filtering the artificial communication received from the transmitting side-communication terminal device.