News of the World registry. In 2006, reporters at the paper used private investigators to illegally gain access to hundreds of mobile phone voicemail accounts held by a variety of people of interest to the newspaper. In 2007 the paper's royal correspondent, Clive Goodman, pleaded guilty to illegal interception of personal communication and was jailed for four months; the paper's editor, Andy Coulson, had resigned two weeks earlier. In 2009/2010, further revelations emerged on the extent of the phone hacking, and how it was common knowledge within the "News of the World" and its News International parent. According to a former reporter at the
Phone hacking phone companies for relying on outdated encryption techniques in the 2G system, and said that the problem could be fixed very easily. Phone hacking, being a form of surveillance, is illegal in many countries unless it is carried out as lawful interception by a government agency. In the News International phone hacking scandal, private investigator Glenn Mulcaire was found to have violated the Regulation of Investigatory Powers Act 2000. He was sentenced to six months in prison in January 2007. Renewed controversy over the phone hacking claims led to the closure of the "News of the World" in July 2011.