How to track a world leader? Their bodyguards’ fitness app may have clues

Swedish Prime Minister Ulf Kristersson is the latest leader whose security may have been compromised after his bodyguards reportedly uploaded their running and cycling routes to the fitness app Strava, unintentionally revealing sensitive details. Notably, the same app had earlier disclosed the movements of Joe Biden, Donald Trump, Kamala Harris last year, and France’s Emmanuel Macron in 2021

Explainers