Five years ago, Benjamin Delpy walked into his room at the President Hotel in Moscow, and found a man dressed in a dark suit with his hands on Delpy's laptop. Just a few minutes earlier, the then 25-year-old French programmer had made a quick trip to the front desk to complain about the room's internet connection. He had arrived two days ahead of a talk he was scheduled to give at a nearby security conference and found that there was no Wi-Fi, and the ethernet jack wasn't working.

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