S. Korea confirms DPRK behind June 25 cyber attack S. Korea on Tuesday confirmed that the DPRK was behind the June 25 cyber attack. On June 25, websites of Cheong Wa Dae and Office of Government Policy Coordination were hacked. It was found that IP address linked to the DPRK was spotted at the June 25 and July 1 cyber attacks. SEOUL, July 16 (Xinhua) -- South Korea on Tuesday confirmed that the Democratic People's Republic of Korea (DPRK) was behind the June 25 cyber attack that led to shutdown of websites of the presidential office and other government agency. The series of cyber attacks that happened from June 25 to July 1 coincided with the DPRK's past hacking patterns such as the March 20 cyber attack, the Ministry of Science, ICT and Future Planning said at a press briefing. On June 25, websites of the presidential office Cheong Wa Dae and the Office of Government Policy Coordination were hacked by cyber attackers. At that time, the presidential office homepage showed a message in red letters of "Great leader Kim Jung-un." Kim Jung-un is the DPRK's leader. The attackers caused confusion in their identification by claiming that they were part of the hacktivist group Anonymous. On June 25, another posting was displayed at the websites with a message of "We Are Anonymous." Some South Korean ministries were in troubles of accessing their homepages, while other private institutions such as some local newspapers suffered a hacking on their homepages. Based on 82 malicious codes used for the hacking and internet access records collected, the ministry found that Internet Protocol (IP) address linked to the DPRK was spotted at the June 25 and July 1 cyber attacks. Character strings of malware, ways of returning back the results of monitoring attacks and methods of deleting computer files were the same as those identified in the March 20 cyber attack, the ministry said. The malware used in the June 25 attack against homepages and in distributed denial-of-service (DDoS) attacks was confirmed to be the variant of malicious codes spotted at the March 20 cyber attack, the ministry added. S.Korean presidential office website shut down due to cyber attack SEOUL, June 25 (Xinhua) -- Websites of the South Korean presidential office and another government agency were shut down on Tuesday due to cyber attacks by unidentified hackers who claimed to be part of the hacktivist group Anonymous, Yonhap News Agency reported. Websites of presidential office Cheong Wa Dae and the Office of Government Policy Coordination were reportedly hacked by unidentified cyber attackers around 9:30 a.m. local time. S.Korea confirms DPRK behind March 20 cyber attack SEOUL, April 10 (Xinhua) -- The South Korean government on Wednesday made a formal confirmation that the Democratic People's Republic of Korea (DPRK) was behind the March 20 cyber attack that paralyzed computer networks at banks and broadcasters. "The series of cyber attacks last month resembled North Korea (DPRK) 's past hacking patterns," the Ministry of Science, ICT & Future Planning said at a press briefing. Evidences were secured more or less that North Korea's reconnaissance general bureau did the act. DPRK blames U.S., South Korea for cyber attacks PYONGYANG, March 15 (Xinhua) -- The Democratic People's Republic of Korea (DPRK) on Friday accused the United States and South Korea of launching cyber attacks against it. "Intensive and persistent virus attacks are being made every day on Internet servers operated by the DPRK," the official KCNA news agency said in a commentary.