For thousands of years, if you wanted to send a secret message, there was basically one way to do it. You’d scramble the message using a special rule, known only to you and your intended audience.

The original version of this story appeared in Quanta Magazine. For thousands of years, if you wanted to send a secret message, there was basically one way to do it. You’d scramble the message using a ...

For the last five years, the FIDO Alliance -- led by Apple, Microsoft, and Google (with other companies in tow) -- has been blazing a trail toward a future where passwords are no longer necessary in ...

Passkeys offer a way of confirming you are who you say you are without remembering a long, complicated password, and in a manner that's resistant to common attacks on passwords like phishing and ...

I have SSH working between my PC when it runs Win2k and my Linux server.<BR><BR>I rebooted the client into Mandrake 9.1 to get SSH working so I can use CVS under Linux as well.<BR><BR>I have my ~/.ssh ...

In public key cryptography, the "public" and "private" keys work just like the first and second ingredients in this special invisible ink: One encrypts messages, the other decrypts them. But instead ...