The researchers at Independent Security Evaluators (ISE) demonstrated that by tricking the phone into accessing a particular website, or by using a rogue wi-fi connection, hackers could force the phone to forward on personal information, such as text messages and contact numbers.
By installing a piece of malicious code in the iPhone via its Safari internet browser, a hacker could take "complete control" of the device, Charles Miller, principal security analyst at ISE, said.