Professional security researcher, hacker and MalCon speaker Atul Alex has analyzed the firmware for the Symbian S60 smartphone (which also runs on the Nokia 5800, Nokia X6, Nokia 5530XM, Sony Ericsson Satio and Sony Ericsson Vivaz) and created a modified firmware with a back door which allows a 3rd party to record telephone calls and download emails, telephone lists and text messages from the phone’s memory.

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