17Tech05 month on 20th news: The American House of Representatives's committee to the national territory safety department called this week nucleus management committee, take further investigates makes the data quantity excessively network condition as a reason, has closed 阿拉巴马�?the 核电�?reactor This event occurred in last August, 阿拉巴马�?the brown wheel 核电�?3 power sets manual has closed the reactor, because the staff discovered, two circulating water pumps all appeared the operation defeat (reflux pump mainly to use in to control current of water through reactor), has created the security problem The investigation discovered the water pump the computer control by the mass datas storm, in the safe announcement was called is called "data storm", but we all knew is very difficultly touched regarding the nuclear power station this kind of confidential depts kcode and cipher's network system by the outside, how is the matter occurs, now the American nuclear power control committee continues in to carry on the investigation to this event

    They discovered that, the breakdown uses in the failure control installment ¨C programmable controller by (PLC) to create, the national territory security committee's staff thought this event the attack source possibly comes from the factory outside,

    "only if creates the excessively network load to be allowed to explain, regardless of the licensee (electric power company) or the investigators all did not know this is distributionally comes from exterior to refuse to serve attack."

    In August, 2006 the event sounded the alarm bell for us, the network threat has affected national infrastructure ¨C electric power enterprise 2003 year in January, Slammer worm harassment system Ohio state Davies -besse 核电�?but certainly did not constitute the security the threat, because this factory has been off-line But, in the event not promptly informs,2,003 years in August nearly 500,000 households families Northeastern United States with the Canadian peripheral province big power cut, suffers the heavy loss, the reason is the early warning system has not been able the normal work, causes the local cascade many electrical networks power cut Also some many factors create the breakdown, in the common energy control system, a weakest place is demolished by "", then the whole is safe very with difficulty guaranteed.