Massive North Korea cyber attack thwarted after hacking South Korea: report

North Korea has hacked into more than 140,000 computers at large South Korean conglomerates and government agencies and planted malicious codes that may have been intended for a massive cyber attack that has been thwarted, a news report said on Monday.

The hacking originated from an internet address traced to the North Korean capital and targeted a software used by about 160 companies and government agencies to manage their computer networks, Yonhap news agency reported, citing the police.