"Quote<<< By Richard
Chirgwin<https://www.theregister.co.uk/Author/Richard-Chirgwin> 29 Jan 2018 at
In November, exercise-tracking app Strava published a “Heatmap” of user
activity which it cheerily
comprised a billion activities, three trillion lat-long points, 13 trillion
rasterized pixels and 10 TB of input data.
It took a while, but late last week someone wondered “how many Strava users are
members of the military or national security groups, and are uploaded their
activity?” The answer is “plenty - and they've revealed where they work, where
they live, when they were sent to a new outpost and where to ambush them when
they least expect it."
Ever since Nathan Ruser, an international security student at the Australian
National University, observed that Strava's data included the exercise routes
of military and natsec personnel, locating military installations in Strava's
has become a social media sensation.
Strava released their global heatmap. 13 trillion GPS points from their users
(turning off data sharing is an option). https://t.co/hA6jcxfBQI … It looks
very pretty, but not amazing for Op-Sec. US Bases are clearly identifiable and
<https://t.co/rBgGnOzasq>End of quote.