a multi factor authentication requires at least two sets of credentials. This is typically something you know (e. g. a password) and something you own (e. g. a token generator or mobile phone)

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2answers
166 views

How to securely store and manage one-time backup codes for 2FA?

I am already using 31 services with 2nd factor authentication and the number is growing. In addition to having multiple authentication devices, I decided for or had to generate a separate set of ...
3
votes
2answers
132 views

Authy: Does multi-device mode imply that all keys are stored on their servers?

My understanding is that if you use Authy, without backups/multi-device options, none of your account keys are stored on their servers. It all resides on your single device. Ie, even if Authy ...
1
vote
1answer
37 views

2FA: Difference between Storing Backup Codes & Secret Key

First of all, the secret key in discuss is the one when you cannot scan a QR code in a 2FA setup process, there is a code that you can manually entered into your TOTP-generating device/app. Some ...
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votes
0answers
49 views

Can I use a satellite phone for 2 factor auth sms and such?

Would 2 factor authentication SMS messages or other kinds of internet security notifications work with satellite phones? E.g. companies like Google, Paypal, Facebook, banking institutions and others ...
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votes
0answers
276 views

Remote Registry allows bypass of 2FA enforcement with 1FA

Some organizations will configure their Windows systems to require Smart Cards for all account logins, as part of a two-factor authentication implementation. However, this can easily be bypassed ...
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0answers
887 views

Soft tokens - multiple profiles on same smartphone

Some of our clients have started migrating to soft tokens instead of hardware ones for two-factor authentication to their network. We have apps like RSA SecurID and VIP Access on our smartphones. The ...
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0answers
126 views

Generating backup codes for a 2FA implementation

I have implemented the login/verification aspect of a two factor auth system as per RFC 6238. It works fine with Google Authenticator, which is great. Now I am turning my attention to the backup ...
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votes
0answers
56 views

Additional security for services hosted on a 2FA or Multi-Factor Authenticated Network

I am aiming to lock down a web service that accesses other services and has a publicly facing UI. I have a hosted service on a network that requires 2-factor authentication to access. This service's ...