About Guardian Digital

Who We Are & What We Do

We make email safe for business by protecting organizations of all sizes against today’s most advanced threats like targeted spear phishing, ransomware and emerging zero-day attacks with comprehensive, flexible email defenses. Our adaptive email protection system is coupled with the level of support needed to deliver digital peace of mind for your business.

Our Complete Email Protection Uniquely Provides:


More frequent updates & superior email defense through an inherently secure design

We uniquely apply the collaborative, transparent open-source model to the development of email security solutions, providing our customers with superior email protection through real-time updates and more secure, resilient technology.

Critical additional layers of security in Microsoft 365 & Google Workspace

Proactive, multi-layered supplementary email security defenses bolster inadequate built-in cloud email protection and fortify Microsoft 365 and Google Workspace against credential phishing and account takeovers.

Expert full-time support services that become a remote extension of your IT team

Fully-managed services and accessible support improve security, maximize productivity, simplify deployment and ease the load on your IT department by assisting with setup and providing the ongoing system monitoring and maintenance required to keep you safe.

Our Culture

At Guardian Digital, we're building a community of passionate people who love our products and connect with the values and methodology behind them. We're growing not only our open-source family, but also a strong following of customers who celebrate the open-source development model and delight in surrounding themselves with inspiring developers creating a better, more secure Internet.

Real-time cybersecurity business insights that foster secure business operations

Complete visibility into your email security and the threats targeting your organization reduces risk exposure and enables improved cybersecurity business planning and better enforcement of company policies.


Through the use of Open Source software, a specific concentration on security from the inside out, combined with decades of expertise building secure systems, Guardian Digital is able to uniquely provide cutting-edge solutions to critical business email challenges. - Dave Wreski, CEO, Guardian Digital

Interested in Moving Forward with Guardian Digital?

Request a live demo to experience our protection in action, or safeguard your business
against advanced and emerging threats today.