While smart homes are not quite as ubiquitous as air conditioning yet, internet of things devices are becoming more common. One estimate from Gartner says there will be more than 8 billion connected devices in the internet of everything by the end of 2017. These smart devices can control and monitor every aspect of a user's house, from appliances in the kitchen to the locks on the door.
But when everything is connected, everything becomes vulnerable in a new way. And while you might think a smart fridge only leaves your leftovers vulnerable, any device on a network can become a pathway to more valuable tech, like your smartphone or laptop.
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To combat this, internet security company BullGuard has developed the Dojo. Shaped like a small rock, this device is designed to monitor activity on all connected devices and notify you if it detects any potential threats. The dock plugs into your Wi-Fi router and acts as a firewall. The whole system is controlled through a smartphone app.
The small pebble itself displays a series of color-coded security updates: green for good, yellow for suspicious activity and red for a threat that requires action. Once a threat is detected, the Dojo can automatically disconnect the compromised device.
The Dojo has only recently debuted, and likely isn't invincible, but if you're interested, it costs $200, for the hardware and first year of service.