India, Sept. 4 -- US-Israel-Iran War Latest Live News: A smartphone carried by a US service member can reveal far more than messages, calls or app activity. Location information generated quietly in the background can potentially show where a person is, where they travel and how often they return to a particular place. That has become a growing security concern for the US military as American forces operate in the Middle East.

The US military has now taken steps to reduce that risk by disabling advertising trackers on a range of phones and computers used by its personnel. The move comes after reports that commercially available location data had been used to target American forces in the region.

The action was disclosed on Friday throug...