You probably already know that Android pattern lock security is not as safe as we would like to think. Yet we depend on it so much to keep our smartphones safe from unauthorized access. Almost every day, there’s a new way to break down the security we put so much trust in. A research group from the University of Stuttgart and the Ludwig Maximilian University of Munich has taken it upon themselves to remind us that pattern locks are easy to crack.
According to a report by First Post, the research group stated that when you unlock your phone using a password or pattern, you leave a heat signature. This heat signature can be detected by a thermal imaging camera, thus revealing your password or pattern.
Furthermore, the researchers noted that thermal images taken up to 15 seconds after a PIN or pattern is entered would still reveal the password 90 percent of the time. The accuracy of the thermal imaging drops to 35 percent if the thermal image is taken after more than 45 seconds.
So, this proves once again that Android pattern lock security is not that safe.
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