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Cyber threat
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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