Secret flaws keep 3D-printing safe from hackers

Researchers have discovered ways for manufacturers using 3D printing to embed hidden flaws in files to thwart intellectual property theft.
But since the global supply chain for 3D printing, also called additive manufacturing (AM), requires companies to share computer aided design (CAD) files within the organization or with outside parties via email or cloud, intellectual-property thieves and malefactors have many opportunities to filch a manufacturer’s design files to produce counterfeit parts.

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