North Korea denied Sunday that carried out cyber attacks against South Korean officials who are his rivals. Spy agency of South Korea told lawmakers Friday that North Korea had recently intensified efforts cyber attack against them which succeeded in hacking a mobile of at least 40 national security officials, according to members of parliament of that country.
South Korea claims cyber attack North Korea which could be used for their own political purposes.South Korea was accused of making such claim of cyber attack in order to justify a controversial new law "anti-terrorist".
Earlier this week, the National Intelligence Service of South Korea also said North Korea had tried to hack into email accounts of railway workers in South Korea in an attempt to attack the control system of the transport system, although he said he had interrupted the attempted destruction of railway workers and closed their email accounts.
South Korea has been on high alert against the threat of cyber attacks from North Korea after it conducted a nuclear test in January and the launch of a long-range rocket last month.
North Korea has denounced the exercises as "nuclear war maneuvers" and threatened to respond with a full - fledged offensive. At the same time he denied previous accusations of South Korea. The
United States accused North Korea of a cyber attack against Sony Pictures in 2014 that led to the cancellation of a comedy based on the fictional assassination of leader Kim Jong Un.
United States accused North Korea of a cyber attack against Sony Pictures in 2014 that led to the cancellation of a comedy based on the fictional assassination of leader Kim Jong Un.

