Guardian of Peace hackers warn Sony Pictures not to release The Interview calling it "a movie of terrorism"
Some Sony employees receive emails threatening them and their families.
Kaspersky Lab said three hacking campaigns might have been conducted or organised by the same group.
North Korea has denied its involvement in the hack on Sony Pictures which saw personal and financial details, and entire films stolen
Sony Pictures has refused to lay the blame for the devastating hack on its systems on North Korea.
The hack brought down company's corporate network and leaked sensitive documents.
Those who share the same name as North Korean leader Kim Jong-un have been ordered to change names.
Sensitive personal details of almost 7,000 Sony Pictures employees are being traded online.
North Korea says US should be tried before international court for masterminding disease outbreak.
Does North Korea have the skills and expertise to attack a major Hollywood studio like Sony Pictures?
FBI says malware can overwrite all data on hard drives and prevent systems from booting up.
Speculations that North Korea in outrage over Sony's new film where CIA plots to assassinate Kim Jong-un.
Kim Kyung Hee suffered stroke during heated row over Jang Song Thaek.
North Korea compares US to Roman Empire which was 'buried in history'
Reacting to Tuesday's move by the UN to refer a resolution against its human rights violation, North Korea has threatened to strengthen its war capability.
South to raise money from public sector, according to top financial regulator.
Some 111 countries voted in favour while China and Russia voted against a motion.
Former soldier tells the Guardian that cracks are appearing in Kim Jong-un's regime.
UN investigator said there is enough evidence to hold Kim Jong-un accountable
Is North Korea catching up with the times, or even marching ahead by embracing mobile technology?
Americans land in Washington accompanied by National Intelligence Director James Clapper.
Defected former bodyguard Lee Young-guk says North Korean dictatorship becomes 'crueller' with each successive generation.