Let us provide you with the peace of mind that comes from knowing that the #1 security company in America is helping protect your home and family, 24 hours a day, 7 days a week. For over 131 years, ADT has been the most respected name in the security business.
Real Life Stories ADT's services have made real differences in the lives of people just like you. Learn more about Real Life Personal Stories
24-Hour Monitoring Strategically located across the country, ADT's monitoring centers provide protection 24 hours a day, 365 days a year. Learn more about 24 Hour Alarm Monitoring
Customer Benefits - ADT Guarantees At ADT, we don't just tell you how safe, reliable and useful our products are – we guarantee it! Learn more about ADT Guarantees
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