Facebook Sues South Korean Analytics Firm for Mishandling User Data

Facebook said it had filed a lawsuit against a South Korean analytics company that may have mishandled users’ personal information, a legal salvo that the social media giant described as a “message” meant to demonstrate its heightened vigilance over privacy. The lawsuit filed in a San Mateo, Calif., court targets Rankwave, a South Korean firm that had offered at least 30 apps to consumers and business.