ADT Home Security - ADT has developed a variety of security products and services to meet the needs of your changing lifestyle. From home monitoring systems to out of the home security, ADT helps you protect the people and things you value most.

Since 1874, the organization know today as ADT (American District Telegraph) Security Services, Inc., has been at the forefront of the electronic security industry. Bought by Tyco International in the 1990's, ADT currently provides full service home and corporate security systems and medical monitoring.