Seoul –  Computer networks in South Korea, including major South Korean banks and TV broadcasters, crashed simultaneously on Wednesday. Several of the major TV broadcasters servers such as YTN, MBC and KBS were affected in the crash but no failed transmissions on-air were reported.

Although officials could not determine responsibility immediately, it was confirmed that the hack came from a Chinese-based IP address. Pyongyang is being suspected with regards to the attack considering the previous attack in 2011on South Korea hailed from a Chinese IP address as well. The 2011 hack attack was often dubbed the “10 Days of Rain”.

Time.com reported that  the network paralysis took place within days of North Korea accusing South Korea and the U.S. for staging a similar attack on its computer networks, which were left on shut down for two days. Despite so, the crash did not affect South Korea’s government agencies or transportation systems. It did, however, caused a disruption on the country’s commerce.