2010 Japan–South Korea cyberwarfare

In March 1, 2010, a group of Japanese (2chan) and Korean website NAVER's 'Terror Action Association' which was made up (DC Inside),(Todayhumor) netizens engaged in a cyberwar. The day was South Korea's March 1st Movement Anniversary, and 100th year after Japan–Korea Treaty of 1910.

Plot
About the event of Korean international student killed in Russia in 2009 winter, (2chan) commented like "Dog died, Why did the news showed it up?", "Kill more!". Also, after Kim Yuna decorating gold medal on figure skating, (2chan) slandered her and insisted about 'bribing referee', and it posted on the website of DC Inside was a plot.