Two-Factor Authentication

1. Two-Factor Authentication (2FA)
By: Christopher Ward-Willis
https://digitogy.com/google-
authenticator-review/
https://doit.umbc.edu/security/?id=76035
https://support.apple.com/en-us/HT205075

2. What is it?
https://www.netsafe.org.nz/2-factor-authentication/

3. Why should you use it?
https://www.eff.org/deeplinks/2016/12/12-days-2fa-how-enable-two-factor-authentication-your-online-accounts
https://elie.net/blog/security/how-to-improve-your-online-security-and-privacy-in-10-
easy-steps/
https://whatismyipaddress.com/two-factor-authentication

4. Central Idea
https://www.borer.co.uk/borer-technology/multi-factor-identity-authentication/

5. Something you know
https://www.indiatoday.in/technology/features/story/600-million-
facebook-passwords-seen-by-employees-1483906-2019-03-22
https://www.pcworld.com/article/3392860/5-alarming-facts-in-honor-
of-world-password-day.html
https://en.wikipedia.org/wiki/Password
https://www.thesun.co.uk/tech/7978489/worst-passwords-most-
common-2018/

6. Something you have
https://www.boostmobile.com/phones/apple-
iphone-6s-plus-preowned.html
https://www.verizonwireless.com/smartphones/samsung-
galaxy-s9/
https://guide.duo.com/tokens

7. Something You Are
http://www.proctorcars.com/biometrics-in-cars-unlocking-your-car-with-a-fingerprint-scanner-to-become-a-standard-feature/
https://www.ifsecglobal.com/global/biometric-security-systems-guide-devices-fingerprint-scanners-facial-recognition/
https://www.azcentral.com/story/money/business/tech/2017/09/22/why-voice-recognition-dictation-software-still-
long-way-go/690595001/
https://newsroom.cisco.com/feature-content?type=webcontent&articleId=1938827

8. How does it work?
https://www.macrumors.com/how-to/apple-id-two-factor-authentication/
https://duo.com/product/trusted-users/two-factor-authentication
https://www.wpbeginner.com/plugins/improve-wordpress-security-with-google-authenticator/
https://medium.com/@mshelton/two-factor-authentication-for-beginners-b29b0eec07d7

9. How does it work?
https://www.macrumors.com/how-to/apple-id-two-factor-authentication/
https://www.wpbeginner.com/plugins/improve-wordpress-security-with-google-authenticator/
https://medium.com/@mshelton/two-factor-authentication-for-beginners-b29b0eec07d7
https://duo.com/product/trusted-users/two-factor-authentication

10. Pros to 2FA
http://ipayguru.com/gold/storage/online-security/

11. Cons to 2FA
https://www.rd.com/advice/places-you-should-never-keep-your-phone/
https://ting.com/blog/tri-band-lte-now-available-in-17-new-markets/
https://www.infosecurity-magazine.com/magazine-features/hard-soft-or-smart-evaluating-the-two-factor/

12. Faults of 2FA
https://blog.malwarebytes.com/cybercrime/2018/09/mobile-menace-
monday-sms-phishing-attacks-target-the-job-market/
https://nakedsecurity.sophos.com/2011/04/04/rsa-release-details-on-security-breach/
https://help.myspace.com/hc/en-us/articles/201956084-Forgot-Password

13. Other Concerns
https://www.howtogeek.com/121875/htg-explains-why-does-windows-8-want-me-to-trust-this-pc/
https://it.cornell.edu/twostep/remember-me-24-hours

14. How many sites use 2FA?
https://twofactorauth.org
https://instagram-press.com
https://twitter.com/snapchat
https://www.amazon.com
https://www.wowo.com/scammers-target-chase-bank-customers-emails-texts/

15. Personal Experience
http://www.ciobulletin.com/cyber-security/stockx-data-breach-hack
https://stockx.com
https://www.classaction.org/news/class-action-claims-stockx-failed-to-prevent-attempted-to-cover-up-data-breach

16. Personal Experience

17. Personal Experience

18. Personal Experience

19. Personal Experience

20. Sources
 https://www.wired.com/insights/2013/04/five-myths-
of-two-factor-authentication-and-the-reality/
 https://www.cnet.com/news/two-factor-
authentication-what-you-need-to-know-faq/
 https://searchsecurity.techtarget.com/definition/two-
factor-authentication
 https://www.intego.com/mac-security-blog/two-factor-
authentication-how-it-works-and-why-you-should-use-
it/
 https://www.cnet.com/how-to/how-and-why-to-use-
two-factor-authentication/