Two-Step: Best Practices & FAQ (Students)

Two-Step Verification can be a complex service to setup and manage, especially as you begin to enable it for your various accounts. Below are listed some best practices as well as some frequently asked questions regarding the service.

Enroll in Two-Step

Access requirements: Active Pennkey & Google@Wharton  accounts

Which app should I use?

See our Two-Step: Methods of Verification article to determine which Two-Step method/app is best for you!

Trusting Browsers

"Trusting" or "saving" a browser means that the next time you login, you won't be prompted for a two-step code. Only check this option on personal devices that you use frequently.


Duration: 30 days

Revocable via Two-Step Management


Duration: Does not expire

Revocable via Account Management

Backup Options

You should always have a second or third way to authenticate with Two-Step, in the case that your primary device is unavailable. This ensures that you'll never be locked out of your account. By default, Text or Voice Message is configured during initial Two-Step setup.

  • Backup Codes (Google@Wharton; PennKey):
    Backup codes are useful for when you don't have access to your primary Two-Step device. Having access to these codes will ensure that you always have access to your account.
    • Pros:
      • Always available
      • Can be stored in a personal account
      • No need for help from an Admin
    • Cons:
      • Limited-use
      • Must be stored in a secure & accessible location

  • Text or Voice Message:
    • Pros:
      • Easy to setup
      • Can enter alternate phone numbers (i.e. family, friends, spouse, etc.)
    • Cons:
      • Must have cellular reception
      • Must be requested

Frequently Asked Questions

Q: What are the different methods of verification that I can use?

Q: What should I do if I don't get a push notification from DUO?

Q: Why is using push notifications better than receiving codes via SMS?

Q: Can I use two-step without a network or mobile data connection?

Q: Can I use two-step without my phone?


Contact: Wharton Computing Student Support