'Xactly.
AND the SCADA networks that control the northeast tier of US power generation and distribution were hacked and uncontrolled for roughly 12 r 18 hours back in early 2001.
Poor Planning and Practices.
Now THERE'S a problem which we can only hope that Homeland Security addressed. SCADA code is not common, but was never secure--when invented (and up until 9/11) nobody figured anybody would really CARE about this stuff.
But SCADA also controls the pipeline flow of refined petroleum and natural gas all over the Midwest.
More important, IMHO, than body-scanning grannies at Orlando Airport.