You may look at the DVR as that box that records your TV shows and perhaps even allows you to skip the commercials. But there is more to it than just that. Users can also record video from their home surveillance cameras and replay the clips if something happens. A lot of that data is stored in the cloud -- with some systems it is completely yours with a hardware DVR needed.
In use as a home recording device the DVR is also known as CCTV, closed-circuit television. There are quite a number of them in use all over the world, many in homes and some in businesses. It seems like a good idea for security, but things aren't always what they seem.
UK-based security firm Pen Test Labs has been taking a look at these devices and the results were a bit disturbing. To start out, the researchers used the Shodan search engine for IoT devices.
Many of the boxes in question use the heading JAWS/1.0 and you can do a JAWS search yourself -- our test resulted in over 45,000 results.
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