Seoul: Number of North Korean cyberattacks doubled in month

The National Intelligence Service told a parliamentary committee meeting that the North unsuccessfully tried to hack into the railway control system and computer networks of financial institutions in South Korea, according to the office of lawmaker Joo Ho-young who attended the private meeting.

According to the NIS, North Korea succeeded in hacking the phones of 40 of those 300 officials and stole their text and voice messages and phone logs, said an aide to Joo who requested anonymity because he wasn't authorized to speak to media publicly.