Cybersecurity Compliance Readiness and Standards Implementation

Helping organizations design, implement, and sustain security programs aligned with CMMC, NIST, and ISO standards

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Cyber-AB CMMC Registered Provider Organization (RPO)

Supporting organizations with CMMC self-assessment and certification readiness

  • What’s New: Conquest Security Sponsors OWASP SAMM – Advancing Secure Software Development

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  • What’s New: Securing Parked Domains

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  • What’s New: Using AI to Create and Manage Cybersecurity Policies

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MEET THE PRINCIPAL

LEADERSHIP AND DIRECT ENGAGEMENT

Mark P. Williamson

CISSP, CGRC, CMMC-CP, CMMC-RP

Mark is the Principal of Conquest Security Inc. He served at the National Institute of Standards and Technology and has held both technical and leadership positions at leading cybersecurity companies.

Since 2005, he has advised government, nonprofit, and commercial clients on cybersecurity governance, risk management, and regulatory compliance, with a focus on programs aligned to NIST frameworks, CMMC requirements, and ISO standards.

Every engagement is led and delivered directly by Mark, ensuring accountability, strategic clarity, and disciplined execution.

SERVICES

What We Offer

CMMC

Self-assessment and certification assessment readiness

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NIST CSF / RMF
Advisory

Risk-based security and authorization support

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ISO 27001 ISMS Implementation

Certification-ready information security management systems

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ISO 42001 AIMS Implementation

AI governance and management system readiness

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vCISO Services

Strategic security leadership to operate and sustain compliance programs

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CREDENTIALS AND CERTIFICATIONS

Our Professional Certifications

Our team brings senior-level expertise in cybersecurity governance, risk management, and compliance. These professional credentials reflect deep experience implementing, operating, and preparing security programs aligned with regulatory and industry standards.

This allows us to deliver practical guidance, defensible documentation, and assessment-ready programs that support compliance obligations and long-term security maturity.

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A B O U T U S

Conquest Security

Conquest Security is a cybersecurity advisory firm based in Gaithersburg, Maryland, supporting government, non-profit, and commercial organizations since 2005.

We specialize in cybersecurity governance, risk management, and compliance, helping organizations design, implement, and sustain security programs aligned with CMMC, NIST, and ISO standards.

Our approach emphasizes clear guidance, practical execution, and defensible outcomes that support regulatory requirements, business objectives, and long-term security maturity.

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Client's Testimonials

  • Doree Garcia

    CEO

    Conquest Security has been an exceptional partner for the past 8 years, providing invaluable expertise in highly complex penetration testing and compliance testing projects. Their attention to detail, flexibility, and dedication to delivering superior results have made them a trusted partner in cybersecurity services. Highly recommended!

  • Jim Miller, CISSP, CGRC

    Director of Cyber and Information Security

    I highly recommend Conquest Security for their exceptional Cybersecurity and GRC services. Over 10 years, they have helped us navigate complex FISMA processes, achieving Authority to Operate from our government clients. Their thorough penetration testing services and high-quality training have also been invaluable in improving our security posture. I appreciate their commitment to honesty and knowledge, always transparent and upfront with their recommendations. Conquest Security's expertise and exceptional service are second to none, providing us with peace of mind that our systems are secure.

  • Henderson Jones

    Director of Cybersecurity

    Conquest Security has been a valued partner for the past 12 years, providing invaluable services to protect our brand, reputation, and valuable digital assets. Their cybersecurity training, policy development, simulated phishing testing, and advisory services have been top-notch. I highly recommend their services to any organization needing superior cybersecurity services.

Get In Touch!

Learn more about our services and solutions to your cybersecurity challenges and regulatory requirements.

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Opening Hours

Monday-Friday 09:00 am – 05:00 pm

Saturday-Sunday Closed

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