Can you use two factor authentication without a phone?
Android users can set up 2-step verification using the free Google Authenticator app for Android without needing an active phone number. (Any wireless Internet connection will do.) Your best bet is to unlock your phone, grab a local SIM card [call mom] then get started by downloading Google Authenticator for iOS.
How can I use authenticator without a phone?
While you are scanning the QR code with Google Authenticator on one device, launch the Authenticator app on your other devices and scan the same QR code image with them. Just make sure that the system time is the same on all your devices and you can then use either of them to log into your online accounts.
What happens if I lost my phone with Google Authenticator?
If you have lost or your phone was stolen, anyone may now generate new tokens using your Google Authenticator app. After you recovered access to your Google Account using Backup Codes, go to 2-Step Verification and select the Change Phone option under Authenticator App. Scan the QR code with your new phone.
Is it necessary to have mobile phone involved in two factor authentication?
Two-factor authentication is based on the notion of “something you know” and “something you have”. Is it absolutely necessary for having your mobile phone involved in two-factor authentication, which is used by all the big companies, like Google etc.?
When do you do not get multifactor authentication?
You do not get multifactor authentication when you combine multiple elements of the same factor. A password and securid token combined make for multifactor authentication, because you know one and have the other.
Do you need a phone number for 2 step verification?
Android users can set up 2-step verification using the free Google Authenticator app for Android without needing an active phone number. (Any wireless Internet connection will do.) On iPhone and other devices, initial set up does require you to have a phone number. (Sorry a SkypeIn or Google Voice number won’t cut it.)
What makes two passwords combined single factor authentication?
Two passwords combined makes single factor authentication because you know both. A password and pre-selected image combined is single factor authentication because you know both. Third, no, single factor authentication does not provide the same security as multifactor authentication, no matter how hard you try.