Trends and issues for security of home-network based on power line communication

A home-network is expected to spread now. We considered the security issues on home networks based on power line communication, because these topics have not been sufficiently considered. We discuss the issues, risk and required countermeasures. These issues are categorized into control network, information network, AV network and community network. We also discuss differences on the security between the power line communication and wired-LAN or wireless-LAN.