PLC (PowerLineCommunications) had been widely used currently for the in-home LANs and for Internet access over PowerLineCommunications based on the market standard called HomePlug. Electricity is a great medium to transport data over existing cables in-home and outdoor but gives the network an old-school flavor of the behaviour of the hub where all stations share the medium. In this lecture, we present the freshly released FAIFA open source software that can be used to audit the security of PLC networks and script some flawnesses of the PLC devices.