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Communications of the ACM


Mapping the Internet of Things

'Complete Guide to Shodan' cover image

Shodan founder John Matherly used the search engine to map all Internet-connected device in the world.

Credit: Leanpub

As more and more physical objects get connected to the Internet—from consumer products like webcams and pacemakers to industrial equipment like wind turbines and power plants—the contours of the Internet are shifting beyond the realm of screen-based devices to encompass a much broader swath of the world around us.

Wherever the Internet goes, security risks seem to follow. As the Internet of Things (IoT) continues to expand, those risks are taking on new dimensions well beyond the familiar threats of stolen passwords and credit cards.


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