What He Did on His Summer Break: Exposed a Global Security Flaw<br />Mr. Ruser, who studies international security at Australian National University in Canberra,<br />is not a Strava user ("I sometimes go for walks, but I’m not very fit," he said).<br />"Usually I see them on top of a cyberrelated issue hours, if not days, before it ends up on the media." John Blaxland, a professor of international security<br />and intelligence studies at Australian National University, taught Mr. Ruser last year.<br />30, 2018<br />SYDNEY, Australia — When Nathan Ruser, an Australian university student, posted on Twitter over the weekend<br />that a fitness app had revealed the locations of military sites in Syria and elsewhere, he did not expect much response.<br />But the news ricocheted across the internet, alarming security experts, who said hostile entities could glean valuable intelligence<br />from the Strava app’s global "heat map," including the locations of secret bases and the movements of military personnel.<br />When he looked over Syria on Strava’s map — which is based on location data from millions of users, including<br />military personnel, who share their exercise activity — the area "lit up with those U.S. bases," he said.<br />Thailand said that Whoever thought that operational security could be wrecked by a Fitbit?
