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"He hacked into my car's computer!"
Jennifer Marsh, Untraceable

A Cracker or Playful Hacker can cause unlimited harm/mischief in the TV world because any computer, or thing with a CPU as a component, or even with a few strands of copper wire in it, is connected to the Internet and thus becomes easily accessible and subvertible to the character's hacking skill.

Everything from NORAD to the engine computer on your SUV can be tampered with and shut down from a laptop in a room thousands of miles away. This openly defies the fact that in neither case are said computers actually online in a way they're reachable by someone on a modem. (Well. Unless you have OnStar.)

TV writers make no distinction between the Internet and the closed intranets used by governments, militaries, or private companies. Nor do they apparently understand the fact that a lot of computers are closed systems that are responsible only to themselves, with no way to even contact the outside world, let alone receive new instructions from some malicious techie.

If it's a computer, then it's vulnerable. Period.

And as if that was not enough, you can erase a person's existence by deleting his identity records. In Hollywood reality, physical records like paper birth certificates and driver licenses are always null and void if the computers can't find a digital copy — and physical records are simple enough to destroy. Your friends and family will apparently forget you were ever born if the e-records are deleted — and they would be unable to protect you if the authorities were convinced you are a criminal and/or a terrorist. Less often, this is justified because the person thus deleted was a ''complete'' loner with no real life friends.

This trope is usually how an Evil Computer manages to subjugate humanity by shutting down or reprogramming everything electrical in the world, from blenders to street cameras to nuclear missiles. Again, 99% of these things aren't even online.

In a series set in The Future, of course, it might make sense to assume that most things have a connection of some kind, though no matter how networked the world gets, there will still be systems kept offline for security.

Compare Its A Small Net After All.


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