Company Info

Guardian Digital protects businesses from today's most advanced threats. Learn about our history, our methods, and our commitment to open source and our customers.

Apache SpamAssassin Leads A Growing List of Open-Source Projects Taking Steps to Correct Instances of Racism and White Privilege. Guardian Digital shows its commitment to transparency and inclusivity.

Pioneers of business email security for the past 20 years, Guardian Digital draws on the merits of Open Source coupled with expert engineering and unparalleled customer support.

Cloud-based email security solution utilizes open-source methodology for securing business email, recognized by many for over two decades as the best approach to the problem of maintaining security in a relentlessly dynamic digital environment.

Guardian Digital, Inc., is uniquely leveraging open-source methodology to combat emerging COVID-related email threats.

Guardian Digital Company Fact Sheet

Cloud-based email security solution utilizes the open source methodology for securing business email, recognized by many as the best approach to the problem of maintaining security in the relentlessly dynamic environment of the Internet.

We protect your users and your business against today's most advanced threats. Coupled with our protection is the level of support you need to reduce management complexity, support overhead, and exposure to emerging future threats.

Threat-Ready Business Email Protection. Fully Supported.