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Experts say 'chip off' procedure to access terrorist's iPhone is risky

Discussion in 'Network World' started by RSS, Mar 10, 2016.

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    RSS New Member Member

    The iPhone 5c at the center of the legal battle between Apple and the FBI might be accessible through a delicate hardware technique, but experts warn it would be difficult.

    In recent days, the American Civil Liberties Union's technology fellow and former NSA contractor Edward Snowden have suggested a method that would let investigators repeatedly guess the iPhone's password.

    Federal investigators fear San Bernardino shooter Syed Rizwan Farook may have configured his work phone to use an Apple security feature that erases a key for decrypting data after 10 incorrect guesses of the phone's password.

    The forensic technique for getting at the data, known as "chip off," involves removing a NAND flash memory chip from a device and copying its data, yielding a decryption key that can be restored if it is erased after incorrect guesses.

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