August 20, 2015

Been thinking about turning your house into a personal Fort Knox? If so, now’s your chance. A growing number of companies are offering cameras and sensors with features that exploit superfast broadband, better video quality and cloud computing to provide unprecedented home security. The Internet of things also empowers them to talk to your smartphone–and to one another–so that you can get a notification if something is amiss and, if necessary, call the police or have a look for yourself.

Of course, all these new lenses raise privacy concerns. Several websites allow visitors unfettered access to thousands of unsecured cameras, while hackers continue to prove that anything connected to the web can be compromised. But those worries aren’t slowing sales. Market-research firm Parks Associates says shipments of smart-home devices, cameras included, will grow more than 44% over the next two years in the U.S.

This appears in the August 31, 2015 issue of TIME.

Write to Alex Fitzpatrick at alex.fitzpatrick@time.com.

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