Last year Apple patched iOS after cyber researchers from the UK demonstrated that a malicious webpage could use iPhone sensors to detect a passcode. The technique was so accurate that the team had a 100% success rate at working out 4-digit PINs within five attempts, reports Engadget.

You might think your phone’s movements are random, but they apparently create distinct patterns. During their tests, they were able to crack four-digit PINs on the first guess 70 percent of the time and 100 percent of the PINs they used by the fifth guess.

The attack vector was made possible, explained the study’s lead author Dr. Maryam Mehrnezhad, because mobile apps and websites were able to access sensor data without permission …


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Author: Ben Lovejoy
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