About Us


Tresys is a leader and trusted partner in cybersecurity. Our in-depth solutions are vital to helping our defense, intelligence, federal civilian agency and critical infrastructure customers meet ever-evolving cybersecurity threats. From network and perimeter defense to product security analysis to the practical application of SELinux, we deliver solutions that protect and connect the world’s most critical networks.

Our world-class engineers and scientists work closely with the open source community and our customers to develop innovative products and solutions that maximize security and minimize costs.Our in-depth expertise in security engineering at the operating system level enables us to deliver solutions that proactively address security threats. As a result, our clients can focus on what is most important, delivering value to their customers.