ADT has filed a lawsuit against Ring for using blue octagon signs to promote the Ring Alarm Outdoor Siren. The US home security company said over 6.5 million customers in the country are using its ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. ST. LOUIS (KTVI) – You’ve seen the blue ADT ...

As I finished mowing the yard today, I found the old ADT sign we used to have in our townhouse yard. I cancelled the ADT account for the old house, but kept the sign; now I'm thinking about placing ...