2-step verification to protect your account from hijacking by adding another layer of security. With 2-step verification signing in will require a code generated by the Google Authenticator app in addition to your account password.
It is very common nowadays that you will need to at least provide your email address in order to sign up an account. In phpFox, we have implemented a phone verification system where the user needs to provide a phone number to receive a randomly generated code via SMS and the code back to the website to confirm that you are a real user and not a spam bot. We support service providers: Twilio, Clickatell and Nexmo.
The Google reCAPTCHA app is a great way to help control spam on your website which uses an advanced risk analysis engine and adaptive CAPTCHAs to keep automated software from engaging in abusive activities on your site. It does this while letting your valid users pass through with ease. phpFox provides this feature for you to control your site better.