Researchers at Cisco Talos said they were able to fool biometrics-based user authentication technology on eight mobile devices by using 3D-printed molds to create replicates of users' fingerprints.

The process Talos researchers developed to fabricate a user's biometric signature required a painstaking effort, and in real life would require either direct or indirect access to a potential victim's fingerprints. For those reasons, this technique is not something that would likely be used by cybercriminals on a large scale to unlock people's devices.

However, in a blog post today, Talos argues that a persistent or tenacious adversary could potentially use this technique to compromise a device belonging to a highly targeted individual.

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