Breaking News:
  • SDS completed independent 6-month performance test by major European city police force – Guardian met or exceeded all specifications, opening door to European market for SDS.
  • Guardian fully integrated with Tyco PSIM – integration cues cameras, door locks, etc. during active shooter event.
  • SDS selected by $30B retail store corporation to protect employees at H.Q. and additional office buildings.
  • SDS selected by first state courthouse system to install indoor gunshot detection.
  • SDS chosen to protect H.Q. of a $10B technology products and services company in the Midwest.
  • SDS Selected by a Texas managed cloud computing company to protect corporate H.Q.
  • SDS selected by $60B Healthcare Corporation to protect their corporate H.Q.
  • SDS selected by major publishing house in New York City – installed in lobby to heighten security for staff, visitors.
  • SDS selected by DHS to participate in New York City Subway, Professional Sports Stadium, K-12 school, and Synagogue Active Shooter Technology training scenarios.
  • Guardian fully integrated with DesktopAlert Mass Notification System – provides instant gunshot detection alerts to your desktop.
  • SDS selected by major mid-Atlantic utility to protect Security Operations Center.
  • SDS featured as Cover Story in Government Security News’ March 2016 digital edition.
  • SDS invited to share expertise in ASIS Active Shooter Stakeholder Meeting with NFPA to discuss global standards for active shooter protocols.
  • SDS selected to protect major universities – public utilities – K-12 schools – court systems – manufacturing plants.
  • SDS wins first health insurance provider in the New Jersey area to install gunshot detection to protect staff, visitors.
  • Guardian fully integrated with Genetec Security Center in 2.4M square foot convention center – integration cues cameras, tracks shooter etc. during an active shooter event.
  • Guardian fully integrated with Avigilon Control Center – cues cameras to gunshot detection.

SDS Special Edition:
Guardian featured on the TODAY Show

From Determination to Delivery

From its inception, SDS was created with one purpose in mind: to produce the world’s most accurate gunshot detection technology. Our systems needed to be not only extremely reliable but also simple to install and easy to use. SDS solutions give customers immediate notification of a shooting event – without complex and expensive interpretation. What has resulted is our pioneering Guardian Indoor Active Shooter Detection System — the first stand-alone, smart sensor for indoor active shooter events.

Today, our investment has led to over 5 million hours of installed product use across the country. Our commitment and passion for safety has led SDS to become the gunshot detection solutions provider of choice, dedicated to superior products and satisfied customers.

Advancing Safety

SDS Media



Indoor Active Shooter Detection

Revolutionize your security and evacuation response protocols during an active shooter event with SDS Guardian Indoor Active Shooter Detection Solution’s immediate shot detection and vital information dissemination technologies.

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Product Installations


A Pursuit of Innovation

Experience and innovation are the most critical factors behind SDS continued success. For over two decades, extensive development based upon customer feedback has been infused into the core technology behind our products. With over 10,000 gunshot detection systems in use, we are proud to be considered the market leader of a product line that has a life-saving impact on our customers. That is the inspiration for our product evolution.