Packages Starting at $99

Security Alarms and Home Automation by Defcon One



At Defcon One Security we look forward to serving our family, friends and community. We believe when doing business with our customers we are developing long lasting partnerships and we understand our customer’s satisfaction is the only real measurement of our success.

Defcon One Security proudly serves Richardson, Addison, Plano, and the greater Dallas area.

remote monitoring

Control the environment all around you from the palm of your hand from anywhere in the world!

home automation

We have created state-of-the-art home and business automation packages to place you on the cutting edge of systems control.

energy management

Managing your energy is no longer just trying to use less, but its also working to become energy independent one day.

burglar & alarm

We are able to protect your most valuable assets, at home and at work, by equipping your home with a state-of-the-art security system.

Defcon One - Honeywell - Security Systems

A day in the life... of a Defcon One Security Home

When you pull into your drive, touch the screen of your iPhone to turn on the lights in your home and set the environmental controls to the desired level. You will have peace of mind knowing your home is secure. Custom notifications let you know the kids arrived safely from school and on time. See how smart we can make your home! LEARN MORE >

Defcon One Security -  Honeywell Systems - Richardson, TX; Addison, TX; Dallas, TX; Ft. Worth, TXDefcon One Security - Call for Information on Honeywell Security Solutions

 Summer 2016 News:

NOW HIRING. Are you looking for a career with purpose that helps you secure your community while maximizing your potential?  As a Defcon One Sales Representative, you will meet homeowners and business leaders to evaluate and consult on their security and automation solutions.  Come join us in making an impact at the highest level - at Defcon One Security, Inc.  Click here for Job Description, Email us at