Explore power line communication (PLC) technology and its security implications in this 18-minute Black Hat conference talk. Delve into the narrow-band PLC standards G3 and Prime, widely used in AMR and electric monitor systems. Learn how to identify the PLC standard in use, sniff PLC data streams at the physical level, and detect potential attacks on the network. Gain insights into the power spectrum analysis, OFDM calculations, and modulation techniques used in G3 and Prime systems. Discover methods for identifying and mitigating interfere attacks, enhancing your understanding of PLC security in critical infrastructure.