Beijing (AFP) - China condemned "cyber terrorism" on Monday after US President Barack Obama pledged to consider officially labelling North Korea, accused by Washington of hacking Sony Pictures, a state sponsor of terrorism.The Chinese foreign ministry statement came after talks Sunday between Foreign Minister Wang Yi and his counterpart John Kerry and followed calls by Washington for China and other nations for help in deterring future attacks.Obama, while saying that the alleged hack was not an act of war, has promised an unspecified "proportionate" response.South Korea's nuclear power plant operator, meanwhile, launched a two-day drill to test its ability to thwart a cyber attack, though the exercise did not appear to be directly linked to the US-North Korea row.In Beijing, a foreign ministry statement on Monday said the country "opposes cyber attacks and cyber terrorism in all of its forms," without referring directly to China's ally North Korea.China "opposes any country or individual using facilities in other countries to launch cyber attacks toward a third country," it said.Washington accuses Pyongyang of being behind the hack that led to the release of embarrassing company emails and caused Sony executives to halt the debut of the comedy action film "The Interview".The film about a fictional CIA plot to kill the country's leader infuriated North Korea, although Pyongyang has repeatedly denied it was behind the cyber assault.Despite calls from Republican critics for a robust response to the alleged hack, Obama told CNN in an interview: "I don't think it was an act of war.