![]() By the fifth attempt, the accuracy had gone up to 100 percent. In one test, the team cracked a passcode with 70 percent accuracy. In a paper published in International Journal of Information security, researchers demonstrated how a phone’s gyroscope - the sensor that tracks the rotation and orientation of your wrist - could be used to guess a four-digit PIN code with a high degree of accuracy. was able to guess a user’s phone PIN code with nothing more than data from the device’s sensors. A team of scientists at Newcastle University in the U.K. Simon Hill / Digital TrendsIt’s no secret that smartphone PIN codes are not perfect, but new research suggests they might be next to worthless. ![]()
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