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Fitness tracker Strava's "Global Heatmap" had a privacy fiasco a year ago when it was revealing exercise routes around secret US military positions."Players can play with confidence knowing that they, and only they, control their shoes."As I'm walking around at the tightest setting available for the Adapt BBs, I think about how awful it would be if a star athlete was trapped in these shoes because of a hijacked phone. Or worse, if it were me!Admittedly, it's an unlikely scenario. It's only possible if somebody steals my phone and is within Bluetooth distance of the shoes.On top of the Adapt BB's wireless security, the shoe is locked to the device you first paired it with. Even if someone else had your account information, they wouldn't be able to log in from a distance and tighten your shoes from another phone, according to Nike.concern is that as more companies try to make connected shoes, the chances of having a shoe eventually hacked will increase."Nike has the size and resources to do this well," said Andrew Tierney, a security researcher with Pen Test Partners. "I think the worry is about other vendors coming along.

The Adapt BBs pair with Nike's app through Bluetooth Low Energy, a connection protocol that's often used in smart devices because it allows for longer battery life. The sneaker connection is encrypted, a Nike spokesman said.But Bluetooth Low Energy isn't impervious. Security researchers have found issues with BLE chips that could have allowed hackers to spread malware across hospitals and factories.Several smart locks have been hacked over BLE, according to researchers."BLE, in the last year, has shown to be hand-in-hand with bad security," Tierney said.The security firm's focus has been on products like locks and alarms, and fortunately, there's a big difference between smart locks and sneakers when it comes to security via BLE."With sneakers, you're only going to have one person and one device paired to it.

With connected shoes, there are more concerns than just messing with your sneaker's fit.These shoes are collecting data, like your steps, running pace and, in some cases, your height and weight. They're using that data to make better sneakers, and also feeding it to artificial intelligence to offer you coaching tips for a better workout.Nike's app will do more than just control the laces on your sneakers. The company wants to collect data through the app to help athletes with their performance.Nike and Under Armour say they have no plans to sell or share the information they collect with third parties. But just because they don't have plans to share that data doesn't mean it can't be stolen.Last March, Under Armour said its MyFitnessPal app had been hacked, with thieves stealing data including usernames, email addresses and hashed passwords, from 150 million accounts.