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Julianna Goldman

The Evolving Threats From China and Russia

In an interview, Senate Intelligence Committee Chair Mark Warner explains the digital nature of the challenges facing the US.

Put a ring on it?

Put a ring on it?

Photographer: Pool/Getty Images North America

Senator Mark Warner of Virginia is a big fan of his Oura ring — the Finnish smart device that tracks your sleep and activity and synthesizes all the data in an app. His ring stood out to me because Warner has frequently warned about the unchecked power of both Big Tech and China — and about the vulnerability of technology companies to foreign influence.

So the question occurred to me: Does he ever worry that his ring will be hacked?