article_snippet: researchers started as early as 2006, a year before Apple .
article_snippet: introduced Apple first iPhone and continued through the launch of .
article_snippet: the iPad in 2010 and beyond,
article_snippet: foreign and domestic' including Google Android phones, Google Android added.
article_snippet: Apple claimed the changes meant Apple no .
article_snippet: Should you be worried if you use an Apple device?
article_snippet: So far there has been no evidence that they've been used for identity theft or a criminal attack .
article_snippet: Earlier this year, security expert Jonathan Zdziarski focused on three particular services known by the technical names com.apple.pcapd, com.apple.mobile.file_relay and com.apple.mobile.house_arrest that are a cause for concern.
article_snippet: More information about Apple's diagnostic capabilities is available from the firm's support pages.
article_snippet: An Apple spokesman pointed to public statements by chief executive Tim Cook on privacy, but declined to comment further. '
article_snippet: in any of we products or services,' chief executive Tim Cook on privacy wrote in a statement .
article_snippet: The conclusion was based on an analysis of 600 million iOS devices, with handsets running the most recent versions of the software at particular risk.
article_snippet: This software isn't some legacy code left on the device by Apple engineers for testing - it has been actively updated and expanded in various iOS revisions,’ The Register claimed.
article_snippet: Apple responded by saying the services identified by Jonathan Zdziarski are not deliberately provided for government agencies to exploit.
article_snippet: Apple added Apple are for 'diagnostic' purposes, and to allow IT workers to manage IT workers company’s devices.