Abstract

The rapid proliferation of smart consumer electronics—particularly cloud-connected televisions, soundbars, and home automation devices—has introduced significant challenges related to device security, system integrity, and maintenance scalability. This paper presents the Unified Smart Device Integrity Framework (US-DIF), a conceptual model designed to address these issues through an integrated architecture for software security, fault detection, and automated patch management. Grounded in a layered design that combines device-level security agents, cloud-based diagnostics, and a national governance interface, US-DIF provides a scalable and enforceable structure for enhancing device reliability across the U.S. consumer market. The framework is situated within the broader literature on IoT security, fault response systems, and firmware lifecycle management, highlighting limitations in current fragmented practices. Detailed architectural specifications are proposed alongside implementation considerations for retrofitting existing devices and deploying at scale through cloud infrastructures. Additionally, the paper evaluates the regulatory, privacy, and coordination challenges involved in national adoption and identifies future research opportunities in AI-driven fault analytics and blockchain-enabled patch verification. US-DIF aims to set a precedent for secure, standards-based operation of smart devices in an increasingly connected domestic environment.