Perhaps, but the risk can be reduced by open-sourcing code, requiring software patch downloads, and notifying gun makers or law enforcement if software is disabled.

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Since the open-source release, dubbed Darwin, has been available, there have been more than 160, 000 downloads of source-code components and more than 20, 000 developers have registered on Apple's Darwin Web site, Bereskin said.

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Available as a physical device or as a free app for iOS or Android devices, it offers players an added level of security against account-theft attempts that stem from sources such as phishing attacks, viruses packaged with seemingly harmless file downloads, and websites embedded with malicious code.

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Within ten minutes, he says, there were thousands of downloads, and new businesses created using the code within a couple of days.

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