Isn't the answer really: no, it would not have prevented the breach but it would have prevented the breach from having the undesirable effects (e.g., exposing sensitive data)? If breached data is encrypted, I believe that there is not a regulatory requirement to report the breach.
Peter Relson z/OS Core Technology Design ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
