Users from 4chan claim to have discovered an exposed database hosted on Google’s mobile app development platform, Firebase, belonging to the newly popular women’s dating safety app Tea. Users say they are rifling through peoples’ personal data and selfies uploaded to the app, and then posting that data online, according to screenshots, 4chan posts, and code reviewed by 404 Media.
A better rule is that PII data should never be used as a basis for auth/auth except by government agencies in the process of delivering legally mandated government services.