Update an ASP.Net site with SQL back-end to use modern secure login methods with 2-factor authentication. E.g. like ASP.NET MVC 5 with SMS and email Two-Factor Authentication or better security.
31 freelancers are bidding on average $1206 for this job
I have implemented two-factor authentication using SMS on ASP.NET. Although I have not implemented two-factor authn using email, I have implemented email communication on ASP.NET.