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One of the basic technologies that enables what we often refer to as the Internet of Things is embedded Linux, a version of Linux that runs on machines that aren't computers in the traditional sense. A lot of the new "smart" devices joining Wi-Fi networks in the home and office are running some variant of it, as do a lot of those home-Wi-Fi routers themselves. Researchers at security-software company Symantec say they've found a worm that proves that, eventually, these devices may be ripe for attack. It's called Linux.Darlloz, and it appears to have been built to infect versions of Linux found in home routers, TV set-top boxes and security cameras, and also some industrial-control systems.

Over the past two years, people adopted smart technology with increasing frequency. According to the Pew Research Center, half of American adults today own a tablet or e-reader. First responders are among the professional groups who have found ways to integrate these devices into their day-to-day operations. As tablets, smartphones and other mobile devices enter the public safety scene, however, agents must not only familiarize themselves with their use, but also understand their benefits and drawbacks.