Smart Meters: I'm Hacking Infrastructure and So Should You
Hash Saehi dissects the hardware and RF protocols of electrical smart meters, demonstrating why auditing grid edge devices is vital for infrastructure resilience.
Summary
The Strategic Importance of Smart Meter Security
Electrical smart meters form the critical edge interface of modern smart power grids, managing automated billing, load balancing, and remote power disconnects.
Hardware Teardown and Optical/RF Interface Auditing
Hash Saehi inspects commercial smart meter hardware, dumping firmware via SPI flash chips and reverse engineering ANSI optical communication ports.
Analyzing Grid Disconnect and Spoofing Vectors
In the wake of grid failures like the 2021 Texas freeze, Saehi demonstrates the potential for systemic load disruption if remote disconnect commands are abused.
Recommendations for Utilities and Meter Manufacturers
The author advocates for open vulnerability disclosure across utility hardware and urges manufacturers to enforce cryptographic firmware signing.
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