Comcast's Xfinity Home system is supposed to keep your whole house secure, but a recently published vulnerability could leave things wide open. Researchers at Rapid7 report that you can use a quirk in the 2.4GHz wireless frequency to break communications with security sensors, forcing them to fail open and take a long time (several minutes to 3 hours) to reconnect. As the system doesn't even recognize the lost connection, that gives intruders free rein -- you might not know that anything's wrong until it's too late.
We've reached out to Comcast to see if there's a fix in the works, and we'll let you know what it says. However, you might not get a solution any time soon. Rapid7 says it notified Comcast about the hole in November, and published details about it only after giving the cable provider some time to update its software. Given that there's no short-term workaround, you'll just have to hope that would-be burglars aren't smart enough to jam your wireless signal.
Via: ZDNet
Source: Rapid7
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