Kt Corporation

Yeon-Joo Son

Yong-Joo Park

Young-Bin Cho

Myung-Eun Kwon

Ki-Hwan Ahn

Described embodiments provide managing data collected from machine 2 machine (M2M) devices. A plurality of M2M devices may be grouped based on a common interest and the same group authorization key may be assigned to M2M devices in the same device group. A data collecting terminal having a group authorization key may be allowed to collect data in M2M devices when the M2M devices have the same group authorization key.

Growing community of inventors

Incheon, South Korea

Yeon-Joo Son