In the previous chapter, you learned that Microsoft Azure Management Portal is one of the ways to manage virtual machines, networks, and more. As the portal is accessible from the Internet, we want to make sure only those who are authorized have access to the portal.
The default authentication to access the management portal is by typing in an account name and password. In specific cases, this is not enough and two-way authentication is required. Think about security-sensitive information. A combination of just an account name and password could be not secure enough as hackers can make guesses or execute social hacking to get the credentials.
Two-way authentication works by requiring any two or more of the following verification methods:
Something you know (typically a password)
Something you have (a trusted device that is not easily duplicated, such as a phone)
Something you are (biometrics)
Microsoft Azure has several options...