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How Vulnerable Is the Power Grid? Less Than Some Fear, Experts Say
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How Vulnerable Is the Power Grid? Less Than Some Fear, Experts Say
How Vulnerable Is the Power Grid? Less Than Some Fear, Experts Say
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http://www.time.com/time/nation/article/0,8599,1891562,00.html
By Bobby Ghosh
Washington
Time.com
April 15, 2009
The attack could come when we're most vulnerable =E2=80=94 a blistering hot July
afternoon or a freezing cold January night. Suddenly, vast sections of
the U.S. power grid go black. The lights go out, air-conditioning (or
heating) shuts down. Once it becomes clear that this is no temporary
brownout, the public begins to panic. At the power utilities, engineers
can't understand why the network shut off, and can't get it to start up
again. It's hours before the truth emerges: a terrorist group (or a
hostile country, or some evil-genius hacker) has broken into the
computer networks that control the power grid, bringing the U.S. to its
knees.
If that worst-case scenario crossed your mind last week, it was probably
because you'd just read news reports that federal authorities had
detected signs that hackers =E2=80=94 likely from Russia and China, countries
with militaries known to be pursuing cyberwarfare capabilities =E2=80=94 had
penetrated the computer systems that control the power grid. It was
unclear when these intrusions had taken place, but they had left a
software signature. If that wasn't disturbing enough, the North American
Electric Reliability Corp., a Congress-authorized regulator, issued an
alert that the utilities had not adequately surveyed their computer
systems to detect vulnerabilities. (Read "Can We Prevent Another
Blackout?")
As bad as all that may sound, there are several reasons not to panic
about our power grid's vulnerability.
* No national power grid anywhere in the world has been brought down by
a cyberattack. And it's worth keeping in mind that most countries have
much fewer defenses from cyberattacks than the U.S. "It's virtually
impossible to bring down the entire North American grid," says Major
General (Rtd) Dale Meyerrose, a cybersecurity expert who recently
retired as chief information officer for the Director of National
Intelligence. The electricity-distribution system is highly
decentralized, and there's no central control system; at worst,
cyberattackers may be able to damage sections of the grid.
[...]
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