Cyber threat

Wednesday, 24 September 2003, 9:37 AM EST

Evildoers commandeer thousands of home computers, creating a virtual army that knocks down chunks of the Internet. Computer infections hit a nuclear plant, crash a 911 system, snarl train service and shut down ATMs. A neighborhood glitch compromises air traffic control computers.

It's all happened before, security experts say.

Luckily for America, it hasn't happened all at once yet.

There is skepticism, but some fear it could. The recent accidental power outage which took out tens of millions of electricity consumers also spurred concerns.

"The Northeast power blackout could happen as a result of a terrorist attack using cyber [methods]," said Richard Clarke, America's former cybersecurity czar, now an ABCNEWS consultant.

[ Read more ]

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