Hackers,executed an attack on a Northwest rail company’s computers that disrupted railway signals for two days in December, according to a government memo recapping outreach with the transportation sector during the emergency.
On Dec. 1, train service on the unnamed railroad “was slowed for a short while” and rail schedules were delayed about 15 minutes after the interference, stated a Transportation Security Administration summary of a Dec. 20 meeting about the episode obtained by Nextgov. The following day, shortly before rush hour, a “second event occurred” that did not affect schedules, TSA officials added. The agency is responsible for protecting all U.S. transportation systems, not just airports.
http://www.nextgov.com/nextgov/ng_20120123_3491.php?oref=topstory
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