Two-factor authentication, also referred to as 2FA, protects users from unauthorized access to Lehigh accounts in the event that a password is compromised. 2FA is only open to faculty and staff. You may already be familiar with 2FA if you've accessed sites that require it, such as for online banking. Two-factor authentication uses two pieces of information to establish your identity when you are trying to access a site or service:
- The first factor is something you know, such as your password.
The second factor is something only you have, such as your mobile phone (recommended).
If your password is compromised through a phishing attack or other malicious means, a cybercriminal would also need your second factor to access your account.
Lehigh has contracted services from Duo Security to enable two-factor authentication on your Lehigh computing account. Duo's services allow you to choose the type of authentication method that works best for you: a push notification sent to your mobile device through the Duo Security app, a generated code each time you log in to a site or service, or another device such as a telephone to call you when two-factor authentication is needed.
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Ready to enroll? Begin by completing the Lehigh Duo Security device enrollment options and adding your second factor device(s). For more information, refer to Two-Factor Authentication with Duo Enrollment Process.
Using your devices for two-factor authentication with Duo
Other Devices: Cell Phones and Landlines for SMS/Text or Voice Callback, Hardware Tokens and U2F Authenticators.
Two-Factor Authentication with Duo Prompt (SSO): How to provide your second factor when using Lehigh SSO.
Adding and removing New Devices: How to add and remove devices, sometimes referred to as authentication methods.
If you are running privacy browser extensions, you might need to whitelist sso.lehigh.edu.
Backup Codes: How to print backup codes in an event your primary factor, such as cell phone, is unavailable.