Security is a top concern for the Internet of Things, as essential as low power consumption, affordability, and wireless connectivity.
Because IoT devices are optimized for low power consumption and affordability, many have less than optimal computing resources. The good news is there are several options for using cryptography to make it more difficult for hackers to highjack your living room webcam, video doorbell or car.
The denial-of-service attack last October showed how cheap IoT devices that had no security--in many cases not even proper password protections--could be hacked to flood Web sites with traffic, shutting them down. In an increasingly connected future, consequences could include having water or electricity shut off, security systems disabled, or even loss of life for attacks on medical devices.
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