An awesome tool to enable two step verification system on your WordPress site.
After a successful login, it sends a verification code to user's email/phone. And then the user needs to submit this code in the verification page to access admin area. Sounds good?
Video
https://www.youtube.com/watch?v=1TGnMxb7bgM
Pro Version
Send verification via SMS! http://medhabi.com/product/two-step-verification-pro/
安装:
Upload the two-step-verification folder and its contents to your wp-contents/plugins directory.