Webhosting management company cPanel recently announced a worrying sort of compromise: the possible theft of its customers' root passwords.
Paul Ducklin looks at what happened, and what's being done to avoid a repeat of this worrying situation...
Public-key encryption relies on a pair of cryptographic keys, one public and the other private.
You'd think that programmers would be able to tell which one to keep private and which one to make public, wouldn't you?
Just how unique is is your private key?
Is there a chance that someone else, without any malice aforethought, might unexpectedly end up with a key pair that is identical or at least dangerously similar to yours?