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EnGarde’s Innovative Protection Features


Guardian Digital has designed a security-as-a-service email protection system that blocks the most sophisticated threats to privacy and data integrity to your organization today. Our email security solution provides a sophisticated defense to today’s sophisticated threats. We deliver digital peace of mind with:

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A scalable and customizable cloud-based system

shield icon Policy-based encryption throughout
shield icon  A resilient and real-time learning open-source design
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Innovative zero-day threat protection

shield icon  A fully-managed system, which reduces your in-office support
shield icon  Phishing, spambot, and spoofing attack protection

Explore What's Possible

Guardian Digital enables secure email for thousands of small, medium and enterprise customers
Commerce Bank
Guardian Digital has become a valued partner of Commerce Bank due to their depth of security and continued dedication in assisting us to protect our business critical communications.
Jill Brungardt, Information Security Consultant, Commerce Bank

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Building trusted email systems since 1999

Unrivaled benefits through open source design

What we do

Guardian Digital, Inc. builds enterprise email solutions with an intense focus on security and unrivaled customer support, designed to ease information technology overhead for its customers.

Guardian Digital has created a security-as-a-service email protection model that blocks the most sophisticated threats to privacy and data integrity in your organization today.

Spam Protection rates reaching better than 99% with a false positive rate of below 0.001% and virus protection employing multiple scanners plus enhanced security policies to block botnets using resources from our secure datacenters around the world.

Our Customers

Through the Company’s products and subscription services, Guardian Digital provides protection against security threats for enterprises, service providers and governmental entities worldwide.

Our Leadership

Founded in 1999 by David Wreski, an open source Internet security pioneer and former security architect for United Parcel Service. Guardian Digital has been involved with open source and email security since the beginning, and continues to innovate the email security marketplace using technology unavailable from any other vendor.

Our Mission

To power the enterprise with our most technologically advanced email security solutions available. We strive to build long-term client relationships based on mutual trust and respect.

Driving Innovation

Guardian Digital understands that security isn't just an afterthought -- it's fundamental to today's business success. Leveraging the benefits of open source, the latest cloud technologies, and decades of combined experience protecting enterprises, Guardian Digital engineers have created a scalable and powerful email system that's unparalleled by any other in the industry.

Global Intelligence & Cloud Innovation

Guardian Digital solutions are built on an advanced cloud platform that combines speed and the latest technologies with the security expertise of our engineers to provide a system which updates more rapidly and learns over time to protect our clients from the most advanced persistent threats.

Our worldwide network of systems work cohesively to collect billions of data points using big data analytics, our own algorithms, and machine learning to update systems more quickly with the latest real-time information. This reduces the exposure to zero-day threats as well as the largest spam campaigns around the globe.