Activist hackers appeared Thursday to have infiltrated North Korea's official news website and its accompanying Twitter and Flickr feeds, posting unflattering images of leader Kim Jong-Un.
Japan will launch a 140-strong nationwide police task force next week to fight cyber attacks, including those from abroad, the National Police Agency said Thursday.
Specialist anti-North Korean websites and organisations run by defectors in South Korea said they were the victims of a coordinated cyber attack Tuesday.
South Korea said Thursday it had sourced a damaging cyber attack on its broadcasters and banks to an IP address in China, fuelling suspicions that North Korea may have been responsible.
A US-based group monitoring human rights in North Korea said Wednesday it was hit by a cyber attack that disabled its website for several hours.
Taiwan has set up a unit to create a comprehensive Internet shield against hackers, its intelligence chief said Wednesday, in response to what it claims is a growing cyber threat from China.
Cheon Joon-Sahng may not look like an elite warrior, but the shy, South Korean high school student has been fully trained for a frontline role in any future cyber battle with North Korea.
China's new premier Li Keqiang on Sunday rejected US accusations of hacking, saying that Beijing did not support cyber spying after President Barack Obama stepped up rhetoric on the issue.
North Korea on Friday accused the United States and South Korea of carrying out a "persistent and intensive" cyber attack against its official websites in recent days.
President Barack Obama entered the fray Wednesday on cyber attacks from China, saying some intrusions affecting US firms and infrastructure were "state sponsored."