3SI Security Systems

Other 📍 Malvern, United States 👥 1-10 employees 💰 $13.0M raised 📅 Founded 1971

3SI Security Systems is the world leader in asset protection systems designed to recover stolen cash and high-value assets, apprehend criminals and deter crime. With over 40 years’ experience and protecting more than 250,000 locations worldwide, their innovative solutions combat crime through a variety of technologies

🌐 Website in LinkedIn ← All Companies

📊 Company Overview

Sector

Other

Country

United States

Employees

1-10

Total Raised · Venture

$13.0M

Founded

1971

Cloud

Unknown

Email

Mimecast

☁️ Cloud Infrastructure

🔒 Subscribers only Cloud Provider

Workspace	Mimecast
CDN	🔒 Subscribers only

Detected via DNS records and HTTP response headers as of 2026-06-13.

💰 Estimated Cloud Spend

$12K – $30K / year across cloud providers

🛠 Tech Stack & Marketing

Ad Platforms	🔒 Subscribers only
Analytics & CRM	🔒 Subscribers only
CMS / Platform	WordPress
Frontend Stack	🔒 Subscribers only

Detected from 3SI Security Systems's public homepage as of 2026-06-13.

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Data detected 2026-06-13 · Methodology · Suggest a correction