Dedicated TO mission security

Your Premier Security Consultants

At The Enterprise Security (TES) Consultants, we are proud to serve as a specialized security team that conforms to our client’s individual needs. We remain embedded in the cyber security world to keep our finger on changing requirements as well as evolving threats.  As a Minority and Woman-Owned cybersecurity-focused company that caters to government and commercial clients, we have established ourselves as industry leaders in strategic areas of cybersecurity.

TES Consultants has an exceptional track record of supporting Continuous Diagnostics and Mitigation (CDM), IT Security Assessment and Authorization (SA&A), Independent Verification and Validation (IV&V), regulatory compliance with the National Institute of Standards and Technology (NIST), Federal Information Security Modernization Act (FISMA), Federal Risk and Authorization Management Program (FedRAMP) cloud-based systems, and Vulnerability Management.  Since our inception in 2018, we have expanded our capabilities to support clients with Red Team and Penetration Testing, DevSecOps programs, Risk Management and Governance Process Improvement, Continuous Monitoring, and Information Systems Security Officers (ISSO) support. Our biggest roles to date are leading NIST Special Publication (SP) 800-171 DoD Assessment Methodology and the Cybersecurity Maturity Model Certification (CMMC) efforts as advisors and Supply Chain Risk Management (SCRM).

As trusted advisors, what sets TES Consultants apart is the value we bring with our technical capabilities, leading edge automated tools, and client confidence in knowing they will be well equipped for NIST 800-171 and CMMC assessments. We work closely with organization stakeholders to help clients have a full understanding of their vulnerabilities, risks, and current security posture in real-time. Our goal is to help clients achieve and maintain NIST 800-171 and CMMC compliance in the most effective and efficient manner.

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About Us

Whether we're working directly with the private sector, Federal government, Department of Defense, or helping a small business get off the ground, we love the work we do and look forward to improving security at your organization.

Liz Nguyen Elisabeth Nguyen is Founder and Chief Executive Officer at The Enterprise Security (TES) Consultants. Liz is an industry leader with a vision and goal for TES Consultants that is built on personal relationships and trust with clients, partners and colleagues. Before starting TES Consultants, Liz has supported leadership at DoD, DOT, NIH, Treasury, DHS, USAID and the private sector on FedRAMP, CDM and other cybersecurity requirements.
Brian Frankenberry Brian Frankenberry is Chief Operating Officer at The Enterprise Security (TES) Consultants. Brian oversees technical strategy, team development and client relations. He has supported federal leadership at USAID, USDA, DHS, USPTO and DOE where Brian has helped develop new strategies for implementation of Vulnerability Management and the RMF process to accelerate and improve security.


At TES Consultants, our cyber security professionals put industry leading expertise to work for you. We can support your agency or company with all the following services and more:

• NIST SP 800-171 CMMC Compliance
• Supply Chain Risk Management (SCRM)
• Governance, Risk Management and Compliance (FISMA, NIST, HIPAA, Privacy)
• Continuous Monitoring
• Vulnerability Management
• Security Assessment and Authorization (SA&A)
• Independent Verification and Validation (IV&V)
• FedRAMP Cloud Systems Support
• eDiscovery

• Chief Information Security Officer(CISO)
• Information System Security Officer(ISSO)
• Malware Analysis
• Program Management
• Penetration Testing
• Vulnerability Scanning
• System Administration
• Contingency Planning / Disaster Recovery
• Continuous Diagnostics and Mitigation (CDM)
• Software Assurance
• Threat Hunting

Who we support 


Available by Email 24/7

Service Area
Serving Internationally

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