Polar fitness app broadcasted sensitive details of intelligence and service members

Fifth Domain: Military officials working at nuclear weapons facilities. FBI and NSA employees. Americans in the sensitive Green Zone of Bagdad, Iraq.

These are some of the military or intelligence officials who could be identified using public data from the popular Polar Flow fitness platform, according to an investigation by the news website Bellingcat and the Dutch news agency De Correspondent. The public data could be a gold-mine of sensitive information and represents one of the largest open-source security vulnerabilities for the Department of Defense since a similar lapse was found in the Strava exercise app in January.

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