Two U.K. mobile phone operators took years to notify their customers that their voicemail accounts may have been illegally accessed, report says. House of Commons Home Affairs Committee report digs into details of the “phone hacking” scandal gripping Britain. Vodafone, O2 and Orange/T-Mobile joint venture Everything Everywhere knew some subscribers had been targeted by Glenn Mulcaire, a private investigator employed by the tabloid newspaper News of the World. The scandal revolves around private investigators and reporters who allegedly took advantage of weak security measures in order to access public figures.”]