Design & Development of Secure Smart Metering Systems

Abstract ................................................................................................................. 8 I. Introduction ................................................................................................... 9 II. Literature Review ........................................................................................ 11 III. Smart Meter Threats ................................................................................. 16 A. Energy Theft ............................................................................................ 17 B. Identity Spoofing ...................................................................................... 17 C. Denial of Service (DoS) ........................................................................... 18 D. Sniffing and Traffic Analysis ................................................................... 18 E. Malware Spreading .................................................................................. 19 IV. Proposed System Design & Prototype Implementation .......................... 20 Layer 1: Electronic Sensors ............................................................................ 23 Layer 2: Development Board .......................................................................... 25 Layer 3: Power Consumption Logging ........................................................... 26 Layer 4: Client Side Web-based Portal .......................................................... 28 Layer 5: logging to Power Utility ................................................................... 32 V. System Hardening ....................................................................................... 35 Removing unnecessary tools and software packages ..................................... 36 Configuring User Administration ................................................................... 37 Implementing Encryption ............................................................................... 37 Auditing and Logging ..................................................................................... 38 Implementing Networking Precautions .......................................................... 38 Disabling USB Devices .................................................................................. 38 VI. System Security and Features Evaluation ................................................ 39 VII. Conclusions & Future Work .................................................................... 44 References .......................................................................................................... 45