At TENUMBRA, we develop long-term relationships with our clients to gain a deeper understanding of their challenges.
our story
Since 2003, we’re proud to have worked with almost 150 clients across Canada, Canada, US, UK, Switzerland, Germany and Estonia delivering Adversary Emulation services.
During this time, we’ve also delivered hundreds of custom courses on introductory and advanced topics in:
For 11 years, we ran COUNTERMEASURE attracting several thousand attendees. A world-renowned security conference with high-end speakers and teaching resources from around the globe.
Invite the Invasion
To be reliable.
To maintain discretion.
To be transparent and honest with our clients.
To be humble.
To continue to seek new information with passion and drive.
To be resilient, to grow, and to share our knowledge.
To provide a safe space to make mistakes and learn.
To work with openness.
To respect each other and to recognise our individual strengths.
To reach out with humility and to help each other grow.
To collaborate and to lift each other up.
Our mission
Our mission is to be an agent of positive change in the world by delving into the darkness to shed light.
We deliver on this mission by sharing our cyber security knowledge, providing custom tools and offering exhilarating training experiences that bolster your defenses.
With collaboration, tenacity and a systematic approach, we help people gear up to fight the ghosts in the wires.
team
Our team has decades of experience in cybersecurity, OSINT, and offensive security. We specialize in red teaming, penetration testing, and attacker emulation across networks, applications, IoT, SCADA, and physical security. With expertise in reverse engineering, vulnerability research, and exploit development, we stay ahead of evolving threats. Our certifications, including CISSP, CEH, OSWP, GPEN, and OSINT, back our technical skills. As industry leaders and conference founders, we drive innovation and security excellence.
Uncover how we can help put your resilience to the test.
