3SI Security Systems Innovation That Protects

Security where criminals least expect it.

World leader in asset protection systems designed to recover stolen cash and high-value assets, apprehend criminals and deter crime.

Learn More


Over 40 years of experience protecting more than 250,000 locations worldwide.


Our innovative solutions combat crime through GPS tracking, dye and ink staining, DNA and explosive gas neutralization technologies to Financial Institutions, Retail, Transport and Law Enforcement organizations.