South Korea Says Nuclear Reactors Safe After Cyber-attacks

  • 25 December 2014
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By AFP on December 25, 2014
 
http://www.securityweek.com/sites/default/files/features/South-Korea-Nuclear-Facility.jpgSouth Korea on Thursday ruled out the possibility that a recent string of cyber-attacks on its nuclear power operator could cause a malfunction at any of the country's 23 atomic reactors.
The designs and manuals for two reactors have been published on Twitter over the past week, along with personal information on some 10,000 workers at Korea Hydro and Nuclear Power (KHNP).
Officials said Tuesday that South Korea has heightened security in the wake of the leaks, with the defense ministry's cyber warfare unit increasing its watch-level against attacks from North Korean and other hackers.
The presidential Blue House moved Thursday to allay concerns that hackers could cause a malfunction at one of the nation's nuclear plants by breaking into its system.
"The control system of nuclear reactors are separated from external networks, and hacking into the system is fundamentally impossible," the presidential office said in a statement quoted by Yonhap news agency.
 
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IP address used in the hack traced to city on China-North Korea border.

by John Timmer - Dec 24 2014
 
Last week, Korea Hydro and Nuclear Power, which runs South Korea's 23 nuclear plants, suffered a security breach in which personnel records, public health monitoring data, and reactor designs were obtained from the company's systems and posted online. The attacker, which linked to the materials on an anti-nuclear activist site, also threatened to release further information unless three of the company's plants were shut down by tomorrow.
Now, Korean investigators have identified a Chinese IP address as the source of the attacks and are asking the Chinese government for assistance in the investigation.
 
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