About DMC DEFENSE

We protect what matters most — your data, your infrastructure, your continuity.

From cybersecurity to cloud management, we give companies the technical foundations to operate with confidence.

Our Mission

Optimize and secure our partners' M365 environment.

Excellence

Mandatory certification, continuous training and permanent technology watch

Transparency

Clear communication, detailed reporting and no technical lock-in

Partnership

Collaborative approach, client listening and long-term support

Innovation

Constant watch, rapid adoption of new Microsoft technologies

Our Vision

Be the trusted partner of organizations to secure their cloud and their growth.

We protect and evolve Microsoft 365 environments.

Our goal: turn cybersecurity into a performance driver.

Continuous 24/7 monitoring

Rapid threat detection and incident response

Proactive remediation

Continuous improvement of security posture

Controlled and optimized cloud management

Our Commitment

Pragmatism, rigor, and results-driven mindset to transform cybersecurity and cloud into levers of prosperity.

By choosing us, our partners benefit from:

Reduced risks and business interruptions

Controlled costs and cloud investments

Time and resource savings

Increased innovation capacity

Lasting competitive advantage

Measurable and lasting value.

Our Team

Our team combines advanced cybersecurity expertise and IT operational management to provide complete protection of your Microsoft environment.

J

Julien Dubois

Founder & Cybersecurity Architect

Hover to discover
J

Julien Dubois

Founder & Cybersecurity Architect

Trained by the French Ministry of Armed Forces, Julien leads DMC DEFENSE's cybersecurity strategy and SOC operations. He designs advanced detection architectures and oversees 24/7 incident response across Microsoft 365 and Azure environments.

He supports companies in deploying SIEM/SOAR solutions and managing critical incidents.

Expertise
  • SIEM / SOAR (Microsoft Sentinel)
  • Threat Hunting & incident response
  • Microsoft 365 / Azure security
  • Automated response (playbooks)
Credentials
  • Master's in cybersecurity
  • Microsoft Security certifications
  • Experience in mission-critical telecom environments, including satellite and high-availability infrastructures
T

Tran Luong Thao Chi

Cloud Solution Architect & Outsourced CIO

Hover to discover
T

Tran Luong Thao Chi

Cloud Solution Architect & Outsourced CIO

Chi supports companies in managing and securing their Microsoft 365 environment. As an outsourced CIO, she structures information systems, improves IT governance and aligns security with business challenges.

She works on cloud migration, compliance and infrastructure optimization projects.

Expertise
  • Microsoft 365 & Azure
  • IT Governance & IS strategy
  • Cloud migration
  • Identity security
Credentials
  • Bachelor's in IT & cybersecurity
  • IT consulting and cloud transformation experience
  • SMB / mid-sized company support

Our International Presence

French quality at your fingertips in France and Vietnam

France
Vietnam
Our Workspace

Our Workspace

A modern and bright environment, designed to foster collaboration and innovation. Our offices provide a setting conducive to operational excellence.

Our Location

Our Location

Located in a dynamic and internationally connected environment, we serve our European clients with proximity and responsiveness.

France

Operations center for French and European clients

7 rue Vivienne, 75002 Paris, France

Phone: +33 1 59 04 00 85

Vietnam

Operations center for Vietnamese and regional clients

Toà nhà, 50 Bạch Đằng, Hải Châu, Đà Nẵng 50000, Vietnam

Phone: +84 79 875 483

Ready to Work Together?

Discover how our expertise can protect your Microsoft 365 environment