Android O, due in the third quarter, figures to elevate the security of the mobile OS with new features focused on improved third-party patching, a new permission model and hardening of existing features.

Google announces big changes for Android security including new features, a rebranding of old services and an updated UI, all streamlined under a new service called Google Play Protect.

Google wants to kill passwords. And the weapon it wants to use is called Project Abacus, which Google said will become available on Android devices by the end of 2016. The way Project Abacus works is that instead of relying on passwords or two-factor authentication to open your Android phone, your device will instead authenticate...