All commonly or frequently asked questions about Duo Security and Duo Mobile.
- Can I use a hardware token / security key as my second factor?
- I'll be traveling overseas, what do I need to do?
- I got a new phone, what do I do?
- I setup my smart phone for calls/sms with Duo, but didn't activate the Duo Mobile App. How do I activate it now?
- What's the preferred method for two factor authentication? (SMS, Voice, Duo Mobile Push)
- What do I do if my 2nd factor is offline? (i.e. Phone is dead, or lost)
- What is Two Factor Authentication, and why do we need it?