Alibaba app lock tunrs your selfie into a password

Using Privacy Knight, users will be able to unlock their protected apps through a 1-second-selfie, Alibaba said in a statement.

Using Privacy Knight, users will be able to unlock their protected apps through a 1-second-selfie, Alibaba said in a statement.

Chinese giant Alibaba Group has launched Privacy Knight, an app-lock with 'face-lock' feature that will help users protect their privacy from intruders.

Using Privacy Knight, users will be able to unlock their protected apps through a 1-second-selfie, Alibaba said in a statement.

"Face Lock is set to change the way people protect their privacy. It's the next big thing after fingerprint lock," Ebrahim Popat, Country Manager of 9Apps, an Android Marketplace within Alibaba Mobile Business Group, said.