Apple has defended an iPhone update that blocks police from unlocking suspects' smartphones to hunt for evidence.
Law enforcement can currently “crack” security measures using a piece of hardware that generates sequences of numbers to unlock smartphones so they can access messages and potential evidence without needing a PIN.
Police and forensics officials in the US are understood to be using a piece of kit called GrayKey, which takes around three to six days to work out a six digit passcode.
The small grey box uses lightning cables sticking out of the front to connect two iPhones at a time. The device, created by secretive Israeli cyber security company Cellebrite, is reported to cost around...