US, South Korea join forces to prevent cyberattacks by North Korea
Recent massive cyberattacks that paralyzed computer networks at several South Korean banks and broadcasters, strongly suspected to have been launched by North Korean hackers, have prompted Washington and Seoul to come up with tough new countermeasures to stop Pyongyang from waging information warfare in the future.
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Story added 3. April 2013, content source with full text you can find at link above.