Tagged Questions
5
votes
3answers
248 views
Mutual authentication for humans
Is there any way for two people to securely authenticate each other without access to any special software (like PGP)? For example, when speaking over the phone or by sending SMSes to each other or ...
27
votes
5answers
4k views
How hard is it to intercept SMS (two-factor authentication)?
A lot of two-factor authentication mechanisms use SMS to deliver single-use passphrase to the user. So how secure is it? Is it hard to intercept the SMS message containing the passphrase? Do mobile ...
