New Boeing Vulnerable To Computer Attacks?

I wonder who makes such rubbish decisions? Isn't this in the school programme? :)

The computer network in the Dreamliner's passenger compartment, designed to give passengers in-flight internet access, is connected to the plane's control, navigation and communication systems, an FAA report reveals.

Wired: "FAA: Boeing's New 787 May Be Vulnerable to Hacker Attack"