You leave your fingerprints on objects as you use them, and your fingerprint scanner is no exception. Sometimes, they use the remnants left over from a previous fingerprint scan to get past security measures. Sometimes, a hacker doesn't need to perform any advanced techniques to get your fingerprints. One smartphone with a fingerprint on the screen, concept of privacy and safety (3d render) We've seen a lot of sensitive information database leaks recently, so it's worth considering. We don't recommend you start wearing gloves all the time like a criminal, but it's good to be aware of the possibility of your fingerprint details leaking into the public eye. The key to defeating this attack is to stop the fingerprint acquisition in the first place. If a hacker intends to breach your fingerprint scanner, and they manage to get a hold of your fingerprint, there's nothing you can do to prevent them from making a model of it. Unfortunately, this is one attack which you can't directly avoid. How to Avoid Having Your Fingerprints "Stolen" They can create a wax or wooden replica of a hand, or they can print it off on special paper and silver conductive ink and use it on the scanner. There are a variety of ways a hacker can turn a harvested fingerprint into a physical recreation. A few years ago, The Guardian reported on how a hacker managed to recreate a fingerprint of the German defense minister! You probably won't see hackers going after members of the public with this method, but it's worth keeping in mind if you're in a managerial or governmental position. This trick involves getting a hold of the target's prints and recreating them to bypass the scanner. If the hacker can't get an unsecured image, they can choose to create a fingerprint instead. Using Forged Fingerprints to Crack the Security
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