Mission-Ready Cybersecurity for Federal and Defense Operations
COMSEC360 delivers enterprise cyber defense, secure infrastructure, strategic advisory, and architecture and engineering solutions designed to protect critical missions, sensitive information, and essential operations.
Service-Disabled Veteran-Owned Small Business
Enterprise Cyber Defense
Secure Infrastructure
Strategic Cyber Advisory
Architecture and Engineering
COMSEC360 DEFENSE GROUP
Why Industry Leaders Choose Comsec360
Mission-Critical Resilience
We build redundant, hardened cybersecurity infrastructures designed to survive and operate through high-intensity digital conflict.
Regulatory Sovereignty
Deep expertise in NIST, RMF, and FISMA protocols ensures your agency meets the most stringent federal compliance mandates.
Strategic Defense Insight
Guided by elite executive leadership, we bridge the gap between complex technology and high-stakes federal mission objectives.
CONTACT OUR DEFENSE TEAM
Initiate a secure consultation for federal cybersecurity contracting. We specialize in protecting systems for government agencies and defense partners.
Mark Sturtevant
Executive Leadership & Founder
Mark Sturtevant leads the COMSEC360 Defense Group with over two decades of experience in global cyber security mission strategy. Architecting resilient defensive postures for U.S. Federal and Defense operations, his leadership ensures the sovereignty of critical infrastructure through state-of-the-art cryptographic sovereignty, OT security, and enterprise risk governance designed for high-stakes national security environments.
Engineering the Future of National Security.
ComSec360 Defense Group was established with a singular objective:
To build America's premier mission-focused cybersecurity, engineering, artificial intelligence, and defense technology organizations supporting our nations federal agencies and defense systems.
We believe the next generation of national security challenges will not be solved by isolated technologies or traditional consulting models. They will require organizations capable of integrating executive leadership, advanced engineering, offensive and defensive cybersecurity, applied research, artificial intelligence, enterprise architecture, and mission-focused innovation into a unified operating model.
ComSec360 Defense Group exists to be that organization.
Our mission is to strengthen national security through cybersecurity leadership, engineering excellence, advanced technology innovation, and trusted partnerships supporting the United States Government, Department of Defense, Intelligence Community, critical infrastructure, and allied organizations.
OUR PHILOSOPHY
Technology alone does not secure missions.
Leadership does.
Architecture does.
Engineering discipline does.
Innovation does.
Mission understanding does.
Every engagement begins by understanding operational objectives first, technology second.
Our role is to ensure technology becomes a strategic advantage rather than an operational liability.
Most firms specialize in one discipline
Offensive security
Cloud
Program management
OUR DIFFERENCE
ComSec360 was intentionally designed to integrate every one of those disciplines into a single mission-driven organization.
Our objective is not to become another cybersecurity consulting company.
Our objective is to become a trusted technology partner capable of supporting the nation's most complex operational environments.