About ADT

ADT is a business unit of Tyco Fire & Security, a segment of Tyco International Ltd.

ADT is the World's largest and most experienced provider of electronic security solutions.
Established in 1874, we provide tailored security solutions for almost 8 million homes and business premises around the world, 24 hours a day, 7 days a week.

Who We Are
This section contains information on ADT's history, the management structure and all the latest news and information.

Our Commitment
This section contains information on ADT's commitment to its people, the community, the environment and Occupational Health and Safety.

Our Businesses
This section contains links to other Tyco Fire & Security businesses.