"Comcast home security exploit could let burglars in........... 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..." http://www.engadget.com/2016/01/06/comcast-xfinity-home-security-hole/