The Internet's most dangerous sites

Some things just shouldn't be connected to the Internet. With Shodan, a search engine that finds connected devices, it's easy to locate dangerous things that anyone can access without so much as a username or password.

A home security app

hack home control
Honey, did you leave the garage door open?

A new wave of home automation tools offer a great way to control everything from your door locks to your alarm system online. But it's a good idea for your security system to have some, you know, security built into it.

Not this system. Anyone can change this home's temperature, alarm settings, and, yes, open its garage door.

Tentler said he has no idea who built this app, because there was no distinguishing text or information associated with it.

- Last updated May 02 2013 09:52 AM ET

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