An interesting article in Entrepreneur shows further illegal activities by the CIA. Efforts to break into Apple products by government security researchers started as early as 2006, a year before Apple introduced its first iPhone and continued through the launch of the iPad in 2010 and beyond. Most of the time, the effort apparently failed.
Last September, Apple strengthened encryption methods for data stored on iPhones, saying the changes meant the company no longer had any way to extract customer data on the devices, even if a government ordered it to with a search warrant. Silicon Valley rival Google Inc said shortly afterward that it also planned to increase the use of stronger encryption tools.
You can read more in an article from Reuters at http://www.entrepreneur.com/article/243781.