Security Where Criminals Least Expect It

Creating a safer world by protecting and recovering high-value assets and apprehending criminals with innovative solutions that leverage the latest technologies while still meeting compliance standards.

Discover Innovation that Protects

Why have we succeeded for so long?

Because we offer innovative solutions supported by a first class service organization which pledges customer satisfaction through products that perform.

With over 45 years experience and protecting more than 250,000 locations worldwide, our innovative solutions combat crime through a variety of technologies including GPS Tracking and Tracing. We have served thousands of institutions and organizations in the Financial, Retail, Courier/Cash in Transit and Law Enforcement markets.

Assets Recovered


With over 45 years’ of experience, our satisfied customers include over 250,000  Financial Institutions, Retail Locations, ATM Owners and Deployers, and Law Enforcement Agencies worldwide.


Our innovative solutions combat crime and protect cash and other valuables using a variety of technologies including innovative GPS Tracking systems and Dye and Ink Staining components.

3SI is the world leader in asset protection systems.

Our solutions create a safer world by protecting and recovering stolen cash and high-value assets and apprehending criminals.

Criminals Apprehended

Law Enforcement Agency Partners

Trackers Deployed

Security Update Newsletter, Jan/Feb 2019 Edition

Wishing you a #SaferWorld in 2019! In 2018, thanks to police and 3SI's Tracking Technology, over 900 criminals were arrested and almost $8M in cash and stolen assets were recovered and returned to customers. We think those numbers are worth celebrating and...

ATMIA US Conference 2019

  Feb 19 - 21, 2019
   Disney’s Coronado Springs | Orlando, Florida

Observations from the Floor of 2019 NRF BIG Show

  The future is here.           Todd Leggett, CEO, 3SI Security Systems As a sponsor of the 2019 D&D Daily “Live in NYC” conference series, I had the opportunity to walk the show and experience first-hand the technologies I believe are transforming the breadth and...

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