Apple iOS 4 Security Evaluation
Apple iOS 4 Security Evaluation
Apple iOS 4 Security Evaluation
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FindingsAlthough filesystem is encrypted with block-levelencryption, exploiting the device’s BootROM andbooting jailbroken can be used to read the dataIn <strong>iOS</strong> 4, Data Protection only protects Mailmessages and passwords (and screenshots) withuser’s passcodeWhile passcode must be cracked on-device, defaultsimple passcodes are brute-force cracked in lessthan 20 minutes