Which of these would best describe a code sent to your phone using SMS?
On a secure network, you may need more authentication methods than just a simple username and password. In this video, you’ll learn about multi-factor authentication methods such as smart cards, tokens, and even your mobile phone.
Many of the disadvantages of single-factor authentication are solved with additional factors, but these also bring their own challenges. In this video, you’ll learn about multi-factor authentication and some common methods for implementing multiple authentication factors.