A letter from the Pentagon, exposed this week, confirms that US adversaries have used location data from soldiers' phones to target them in war zones.
The United States military has known for years that enemies could use location data to track troops’ phones. It has also long been aware of easy fixes for the problem. The Pentagon adopted almost none of these protections, though, in spite of admitting in the letter that US adversaries are actually using the data to target soldiers in war.