Apple contractors 'regularly hear confidential details' on Siri recordings

" Apple contractors regularly hear confidential medical information, drug deals, and recordings of couples having sex, as part of their job providing quality control, or “grading”, the company’s Siri voice assistant, the Guardian has learned.

Although Apple does not explicitly disclose it in its consumer-facing privacy documentation, a small proportion of Siri recordings are passed on to contractors working for the company around the world. They are tasked with grading the responses on a variety of factors, including whether the activation of the voice assistant was deliberate or accidental, whether the query was something Siri could be expected to help with and whether Siri’s response was appropriate.

Apple is not alone in employing human oversight of its automatic voice assistants. In April, Amazon was revealed to employ staff to listen to some Alexa recordings, and earlier this month, Google workers were found to be doing the same with Google Assistant.

Apple differs from those companies in some ways, however. For one, Amazon and Google allow users to opt out of some uses of their recordings; Apple offers no similar choice short of disabling Siri entirely. According to Counterpoint Research, Apple has 35% of the smartwatch market, more than three times its nearest competitor Samsung, and more than its next six biggest competitors combined.

The company values its reputation for user privacy highly, regularly wielding it as a competitive advantage against Google and Amazon. In January, it bought a billboard at the Consumer Electronics Show in Las Vegas announcing that “what happens on your iPhone stays on your iPhone”."

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