US attorney general Eric Holder speaks as he announces indictments against Chinese military hackers on cyber-espionage today. Photograph:  Alex Wong/Getty Images

A US grand jury has indicted five Chinese military officers on charges of hacking American companies and stealing trade secrets, the toughest action t(...)

After a “naming and shaming” exercise by US authorities in February, Chinese hackers stopped their activities but have now renewed them.

Three months after hackers working for a cyberunit of China’s People’s Liberation Army went silent amid evidence that they had stolen data from(...)

South Korean soldiers patrol along a military iron fence in the border city of Paju near the demilitarized zone dividing the two Koreas, which is 250km long, about four kilometres wide. Photograph: Jung Yeon-je/AFP/Getty Images

A heavy machine gun points north in the direction of Pyongyang from a camouflaged bunker on the South Korean side of the demilitarised zone (DM(...)