Latest Gmail phishing scam. A hacker that knows your email address and cell phone # goes to Gmail and requests an SMS password reset. They then send you an email from an address that looks like it is coming from Google or a text and say your account is at risk, they just sent you a code, please reply back with that code so we can protect your account. The hacker now has the code and can login to your email account. They can then take it over or worse add themselves as an auto-foward and watch everything you do. Here is a link to an article with more details on this scam.