【安全確認】3000万のFacebookアカウントがハッカーにより不正アクセスチェックする方法

When you login first time using a Social Login button, we collect your account public profile information shared by Social Login provider, based on your privacy settings. We also get your email address to automatically create an account for you in our website. Once your account is created, you'll be logged-in to this account.