data is a key. – Of course, system protec/on is important, and data transferred over home network is the subject of security management of home networks. – Data is shared and used for management. • Various system involved – Many non PC device – Various protocol standardiza/on • Echonet for HEMS (IS)) • IoT & M2M (BBF etc.) • ITU-‐T, ISO/IEC, etc. • Security func/ons are vital, but s/ll in forest…