As Mastercard, Discover and American Express all plan to drop signature authentication at the point of sale, Visa is largely mum on the topic. But does it really need to weigh in? Visa has been a ...

Post-quantum authentication helps consumer apps stay secure against quantum computing threats with future-proof encryption and identity protection.

If you watch a handwriting expert authenticate a signature, they will talk about echoes of the process of signing one's name – darker or lighter lines reveal pressure variations, the shape of the ...

I had this idea. Might be a good idea, might be a terrible idea. I'm no expert on security, but I wonder if any systems have ever done this? Typically, historically, authentication databases have ...