We'd like future Wi-Fi standards to use “frequency-hopping,” in which the signal is rapidly switched among frequency channels. In the wider world of the Internet of Things, there may be no practical solution to the problem of “denial of service” attacks of this sort, which can knock any Wi-Fi device off the network, including motion detectors, sensors that report when a door is opened, and other security devices. Unless a hacker actually logs into your network (you DO have a strong Wi-Fi password, right?), a wired camera is pretty secure. While the jury may be out on whether any given camera is truly hackable-meaning that the perpetrator can actually view its image remotely-we think the vulnerability of Wi-Fi cameras to being knocked offline makes them questionable for critical tasks, such as property surveillance and keeping a watch on kids and pets.įor those tasks, you’re better off using a camera that allows a wired Ethernet connection to your router.
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