‘unhackable’ netbook network

“The appearance of safety was mistaken for safety itself.” (Walter Lord)

It seems reasonable to me that the prefix UN- should be banned from the world of computing and technology in general.
We have several examples of UN-thingies.
RMS Titanic
Enigma machine
so why not go on with the ‘unhackable’ netbook network
“There was no way we could do any of this on XP,” he said. “Windows 7 nailed it for us.”