Defensive Cyber Security Solutions for Linux and Android

Protect Your Data

Quark Security provides defensive cyber security solutions for businesses and Federal government entities.

Our specialists leverage cutting edge technologies to address the most daunting problems plaguing mobile, cross-domain, and critical infrastructure environments.

Commercial Solutions

Federal Government & Contractor Solutions

Commercial Solutions


Aviation Solution Development

Critical Infrastructure

Federal Government & Contractor Solutions

Defensive Cyber Operations

Cross-Domain Solutions

DoD Mobility Classified Capability (DMCC)

Mobilize Your Defenses

Secure your staff’s commercial-off-the-shelf mobile devices and thwart active attacks. Quark Security Shield™ for Android™ offers advanced, highly-customizable security capabilities.

Reduce Your Exposure

Our defensive cybersecurity solutions limit the risks to your networks and help your team meet your security goals.

Services include:

  • Security Architecture Design and Development Support
  • SELinux Policy Development and Analysis

Expand Your Horizons

We use, create, and believe in the value of Open Source software. Contributions to the community include:

  • Our Certifiable Linux Integration Platform (CLIP), which provides security underpinnings on which developers can build cross-domain solutions and more.


  • Quark Security’s open source application, SELinux Policy Analysis Notebook (SPAN), paves the way for more powerful and productive SELinux policy analysis.

Train Your Team

Whether you are developing policies or analyzing them to assess risk, our SELinux experts can get your staff up to speed using one-of-a-kind materials, real-world applications, and unique problem-solving scenarios.

    Do you know if your data is truly secure?

    Contact Information

    10320 Little Patuxent Parkway
    Suite 320
    Columbia MD, 21044-3313


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    10320 Little Patuxent Parkway
    Suite 320
    Columbia MD, 21044-3313