3D printed items can be reversed engineered using a smartphone to listen to the sound of the printing proces

The team, led by Mohammad Al Faruque, director of UCI’s Advanced Integrated Cyber-Physical Systems Lab, showed that a device as ordinary and ubiquitous as a smartphone can be placed next to a machine and capture acoustic signals that carry information about the precise movements of the printer’s nozzle. The recording can then be used to reverse engineer the object being printed and re-create it elsewhere. Detailed processes may be deciphered through this new kind of cyberattack, presenting significant security risks.

Source: Bad vibrations: UCI researchers find security breach in 3-D printing process

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