You can register as many devices as you need. We recommend you to register at least two devices for backup purpose. You can register another device via your self-service page. For more information to manage your 2FA device, you can refer to “2FA Service User Guide”.
If you cannot download the Duo Mobile from Google Play Store, you can download Duo Mobile APK. For more information, please visit “Does Duo Mobile work in China?”
You should tap “Deny” to reject and protect your account . If necessary, you need to change your account password immediately for security reasons.
Please check the internet access if you cannot receive push notification. As some phones may have difficulty determining whether to use WiFi or cellular data, you can turn off one of the connection to resolve it. You can choose to use “Passcode” if you have any problem in using “Push” notification. Another is about Google […]
You can use your mobile device and tablet that supports iOS or Android by “DUO Mobile” application.
Mobile Requiring a phone number for registration; Suitable for phone device; Can use “push” and “passcode” (One-time) for authentication. Tablet (Recommended by ICTO) Do not require phone number for registration; Suitable for phone device and tablet; Can use “push” and “passcode” (One-time) for authentication. The option “Mobile” requires you to input your phone number […]
No, it is not necessary to provide your phone number during registration. We provide “Push” response and “passcode” (One-time) authentication methods which generated by the “Duo Mobile” application without requiring your phone number.
Stop and think! If any of following questions has an answer “yes”, this probably is a malicious phishing website or email! Is the email written in a style or signature format other than usual? Are there any obvious misspellings, grammatical errors, or meaningless topics in the email content? Does the email content push you to […]
SPF is an email authentication protocol that allows an organization to specify who is allowed to send email on behalf of the organization in order to enhance the email security. The organization can authorize valid senders in the SPF record published on their Domain Name System (DNS). This record includes the list of authorized senders. […]