Another article on the subject:


http://cs.schwab.com/clicker/cli?req...sfaaaaardcvupm
Boeing claims it has engineered safeguards to shut out
unauthorized users, but some security analysts worry navigation
and communications systems could be vulnerable.

"The odds of this being perfect are zero," said Bruce Schneier,
chief technology officer at the security services firm BT
Counterpane*. "It's possible Boeing can make their connection to
the Internet secure. If they do, it will be the first time in
mankind anyone's done that."
...



* http://bt.counterpane.com/