The company Shodan (https://www.shodan.io) makes a search engine for Internet connected devices, which commonly is referred to as the “Internet of things”. The Shodan website explains that the intent of this search engine is to provide the following services:
Explore the Internet of Things
- Use Shodan to discover which of your devices are connected to the Internet, where they are located, and who is using them.
Monitor Network Security
- Keep track of all the computers on your network that are directly accessible from the Internet. Shodan lets you understand your digital footprint.
Get a Competitive Advantage
- Who is using your product? Where are they located? Use Shodan to develop empirical market intelligence.
See the Big Picture
- Websites are just one part of the Internet. There are power plants, smart TVs, smart appliances, and much more that can be found with Shodan.
From a security point-of-view, the last point, above, should seem a bit unsettling to the owners / operators of the power plants, smart TVs and smart appliances.
Shodan founder, John Matherly, claims to have “pinged” all devices on the internet. Not surprisingly, the results, which are reproduced below, show that internet-connected devices are concentrated in developed nations and metropolitan areas. These results were reported on Twitter at the following link: