【LINE】LINE Introduces Letter Sealing Feature for Advanced Security | LINE Corporation | News

Becomes the first-ever messaging app to enable stronger protection on chat content even on desktop with End-to-End Encryption  Tokyo Japan, October 13, 2015 – LINE, the world’s leading life platform, released a new security feature, Letter Sealing, a powerful security upgrade that protects user messages from any unauthorized access during message delivery. The feature is applied on messages exchanged not only on smartphone devices, but also on desktop including PC for Windows and Mac OS X. With Letter Sealing, LINE has become the first messaging app to offer such an advanced level of security across multiple devices and platforms.