Nok Nok Labs, a Palo Alto-based company founded in 2011 that develops authentication software, has raised $8 million in Series D financing. The investment was led by Motorola Solutions Venture Capital. Existing investors DCM Ventures, DDS, Docomo Innovations, Korea Information Certificate Authority, Lenovo Group, and Onset Ventures also participated in the round.

[Image courtesy: Nok Nok Labs]