Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. Hacker Attack Greets Kim Jong Un on His Birthday VOA News 08 January 2011 North Korean leader Kim Jong Il's son Kim Jong Un attends a massive military parade marking the 65th anniversary of the communist nation's ruling Workers' Party in Pyongyang, 10 Oct 2010 Photo: AP North Korean leader Kim Jong Il's son Kim Jong Un attends a massive military parade marking the 65th anniversary of the communist nation's ruling Workers' Party in Pyongyang, 10 Oct 2010 Computer hackers breached North Korea's official media accounts on Saturday, mocking the youthful heir apparent to the country's leadership on his birthday. A video was posted on the country's YouTube channel that depicted a caricature of Kim Jong Un driving a luxury sports car, running over women and children on the side of the road.  In a string of messages on the North's Twitter account, the hackers accused Kim Jong Il, the country's current leader and Kim Jong Unâs father, of extravagant spending on nuclear weapons and engaging in lavish drinking parties "while 3 million people are starving and freezing to death." Another tweet on the social media account called for an uprising to kill the Kims "with a sword." It is not known who coordinated the cyber-attack. South Korean citizen media websites and the Yonhap news agency attributed the scheme to South Korean hackers.  It was the first birthday for the younger Kim - believed to be his 28th - since he debuted last September as his ailing fatherâs eventual successor. The elder Kimâs birthday, on February 16, 1941, has been marked as a national holiday in the reclusive communist nation. He is extolled by the official state media as Dear Leader. North Koreaâs official state media did not report any celebratory events to mark the younger Kimâs birthday. But Radio Pyongyang aired Letâs Raise a Toast, a song it has repeatedly played at various times in the past to note a celebratory mood in the country. .