What is quantum cryptography? It’s no silver bullet, but could improve security

In the arms race between white and black hats, the infosec industry looks to quantum cryptography and quantum key distribution (QKD). That may be just part of the answer, however.

1 2 Page 2
Page 2 of 2

“People are worried about things that are encrypted today staying secure several decades in the future,” La Cour says. Even if companies upgrade their encryption technology as new algorithms come along and go back and re-encrypt all the old files that they’ve stored, it’s impossible to know where all your old messages have gone.

“If emails go out and are intercepted, there’s now this warehouse of messages somewhere where someone is waiting for a quantum computer to come along and break them all,” he says. “People are really concerned about that.”

Copyright © 2019 IDG Communications, Inc.

1 2 Page 2
Page 2 of 2
Get the best of CSO ... delivered. Sign up for our FREE email newsletters!