Apple's new Apple Watches can continuously listen and summarize speech, prompting privacy concerns despite the company's safeguards like 15-second buffers and audible chimes. The move reflects a broader 2026 trend of AI-enhanced consumer surveillance devices from companies like Meta that record everyone nearby without universal consent, shifting privacy responsibility from corporations to consumers and bystanders.
Researchers address the spectral mismatch problem in electromagnetic side-channel attacks by using injected EM carriers to shift low-frequency secrets (audio, power signals) into efficient leakage bands, enabling extraction of information that passive eavesdropping cannot easily capture.