From single building to global enterprise deployments, Shooter Detection Systems has the experience necessary to meet the unique requirements of your organization.

Our corporate customers trust the Guardian Indoor Active Shooter Detection System to perform in workplace, manufacturing, distribution, retail, and other environments safely and securely, with software certified to operate on some of the world’s largest, most complex and highly secure enterprise networks. Guardian is integrated with the systems you’ve already invested in, providing you with a complete solution and a common operating picture that provides situational awareness when seconds matter most.


Mark Terry, Director, Global Enterprise Security for Rackspace, Inc.

“Adding gunshot detection sensors to automate critical messaging and other security actions is a game changer for active shooter response. We know we can trust this system when seconds count.”


CBS Broadcasting
CBS Logo
Rite Aid
Rite Aid
Toyota Manufacturing
Toyota Indoor Gunshot Detection
Constellation Brands
Constellation Brands Indoor Gunshot Detection


Guardian is the industry’s leading indoor gunshot detection system of choice, performance-certified by U.S. and U.K. government agencies and trusted to protect our customers in facilities across the globe.


Acoustic and Infrared validation for ZERO false alerts when every second counts*


All gunshot data processed within the sensor – having no “human in the loop” reduces risk of errors and associated delays


Sub-one second alerting with shot detection location for immediate, informed response


TWO Available Options: Wireless/Battery-Powered or Standard Power Over Ethernet (POE) sensors


Floor plan map of facility with audible and visual shot location information. Instant SMS and e-mail notifications to select recipients


Flush mounted in wallboard or ceiling tile, surface mount box for concrete/brick structures, color matching options

Simulation and Training

Simulate shots and initiate integrated actions in active shooter drills

Testing & Maintenance

Built-in self-test, regular heartbeat messages, maintenance alerts, patented handheld testing device

Performance Certifications

U.K. CPNI Certified; U.S. DHS SAFETY Act Certified; Infosec, Pentested by Fortune 10 Enterprises

IP Integrations

Certified integrations with Video, Access Control, Mass Notification, Mobile Apps, Critical Event Management Systems

Contact & Relay Integrations

Panel alarms, Digital Radios, Emergency Lighting, Public Address, Digital Signage, etc.

American Manufacturing

Manufactured in the U.S.A. with strict testing and quality control processes


The Guardian System is integrated with the security systems you’ve already invested in, providing you with a plug-and-play, scalable system that meets your organization’s unique security needs. Common integrated solutions include automated live camera feed directly to the incident location, initiating lockdown or opening doors for safe egress, mass notifying building occupants, and triggering alarms, emergency lighting, public address and all-call radio systems. Integrated gunshot detection solutions tie together your key security systems into one common operating picture, automating the real-time situational awareness you need when lives are on the line.