Secure Your Node.js Web Application

Add Other Authentication Layers for Better Security

For important applications, add another layer of authentication besides username and passwords. This will increase security because the attacker now has more layers to cut through. Some ways to achieve this include using hidden usernames, second passwords, and multi-factor authentication.

A hidden username is a two-username system. One is the username other users see and the other is used only for logging in. This is common in forums, where everyone sees a username, but you log in with your email address.

You can also let the user set up two passwords. The first password is used for logging in, and the second one is reserved for special requests and operations. One example is to use the second ...