mobile phone + password = 2 factor auth?

[Bryan Kearney]

Seth Vidal wrote:
> 
> 
> On Tue, 26 May 2009, Bryan Kearney wrote:
> 
>> Seth Vidal wrote:
>>> Now, my question is - what is dangerous/silly about this?
>>
>>
>> Luddites like me who have disabled text messages on their phones.
>>
> 
> Well your options would eventually be:
> - enable txt msgs
> - carry a yubikey with you everywhere

As long as I get a non-text msg version I am fine. To your original 
question... things to consider:

1) Cost of sending SMS.
2) How to prove that bkearney at foo.com == 555-1212

-- bk