'OK Google': How a hacker can surf into your phone silently

Cellphones are our constant companions -- they go with us where we travel, work and sleep. But these trusty sidekicks may be selling out secrets by communicating with nefarious devices using soundwaves too high for us to hear. While previous research has demonstrated how such a one-off attack might be done through the air to secretly access our mobile devices, a new study has now demonstrated a way this can be done across different table surfaces to enact multiple, nefarious commands.This kind of attack would be able to access your text messages and make fake calls all without you even noticin...


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