ByLock
ByLock was a smartphone application that allowed users to communicate via a private, encrypted connection. It was launched in 2014 on Google Play, Apple App Store, BlackBerry OS, and Windows Phone. The app was downloaded over 600,000 times from its launch in April 2014 until March 2016, when it was permanently shut down. The Turkish National Intelligence Organization (Turkish: Millî İstihbarat Teşkilatı, MİT) stated that the app was downloaded mainly in Turkey.
| Initial release | April 2014 |
|---|---|
| Operating system | Android, iOS, Windows Phone, BlackBerry OS |
| Available in | Turkish |
| Type | Instant messaging |
According to the security certificate inside the software, the author of the application is David Keynes. In an interview with Hürriyet Daily News, Keynes stated that the developer of ByLock was a former flatmate of his, who had used Keynes' credit card to publish the app on the Apple App Store. Keynes also said that ByLock had not been available since January 2016.