The social network buys the Israel-based personal identification software company backed by Russia-based search engine Yandex. News provider TechCrunch says Facebook has paid $100m.

Facebook has bought Face.com, an Israel-based personal identification software company backed by Russia-based search engine Yandex. Terms were undisclosed but news provider TechCrunch said Facebook had paid $100m.

Face.com raised $4.3m in its series B round, which included Yandex, Russia’s largest search engine.

The B round was led by Face’s previous investor, Israel-based venture capital firm Rhodium, which had invested $1m since its launch in 2007.