Duo | Two-Step Login Device Recommendations

Based on functionality, ease of use, network availability, security considerations, likelihood of being on person, and cost to the university, following is the recommended order of use for Two-Step Login (Duo) device options.

Device

Push

Voice

SMS

1 Time Code

Touch

Pros

Cons

Notes

Smartphone

(with Duo Mobile app)

 

• Most versatile option • Works without cell/Wi-Fi connection • Duo app is free • Easy to use • More likely to be with you

• Some people don't own a smart phone • Some people don't want to use a personal phone

• Recommended primary device

Non-smart

mobile phone

(or smartphonewithout the app)

 

 

 

 

 

• More likely to be with you

 

• Cellular signal required

 

• Good primary device (when you don't have a smartphone)

Tablet

(with Duo Mobile app)

 

 

• Works without cell/Wi-Fi connection • Duo app is free • Easy to use

• Some people don't own a tablet

• Good primary device (when you don't have a phone) • Excellent secondary device

Single-button hardware token (SBHT)

 

 

 

 

 

• Easy to use

• Durable • No battery required

 

• Must be with you • Can become out of sync • Non-replaceable battery

• Fair primary device • Excellent secondary device

Landline

 

 

 

 

• Works without cell/Wi-Fi connection

• Must be at location of landline

• Fair secondary device