information Security

Please provide 500 words and answer the below questions.

1. What is multifactor authentication and what are some examples?
2. Ending all online crime is not a realistic goal, but simple steps can massively reduce the likelihood you’ll be the next victim.  Explain how multifactor authentication works.
3. List 5 reasons to turn on multifactor authentication?
4. Provide at least two additional links to articles related to multifactor authentication.