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Improve Enterprise Security
Detect & Mitigate Modern Attack Methods

Virtual Infrastructure Security Assessment
Security Folder

The Trimarc VISA involves the analysis of critical VMware security components and capabilities which includes vCenter and ESXi configuration & administration.


Microsoft Cloud

Security Assessment

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The Trimarc MCSA performs in-depth analysis of the Azure AD & Microsoft Office 365 tenant security configuration to include administration, application permissions & consent, and access controls.

Active Directory Security Assessment


The Trimarc ADSA is a comprehensive analysis of Active Directory security which discovers and identifies issues that attackers could potentially leverage to elevate privileges, compromise the environment and persist.

Violet Stars

Meet Trimarc at these events:



Trimarc Will Be At the The Experts Conference

Trimarc Identity Security Village @ TEC with Darryl Baker – Sept. 19-20 – Atlanta, GA

Stop by our booth to interact with members of our security assessment teams


Trimarc is a
bronze sponsor of GrrCon

Sept 28–29, 2023
DeVos Place
Grand Rapids Michigan

Stop by our booth to interact with members of our security assessment teams



Trimarc is A Silver Level Sponsor of
Wild West Hackin' Fest


Click the link below for more information on how to meet the Trimarc team.


Trimarc Will Be At HTH 2023 Knight Rider

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Click the link below for more information on how to meet the Trimarc team.

Content Spotlight


Clean Your Room

Sean Burgess - Trimarc Security Consultant

This article explores some of the messy practices that lead to insecure networks. This blog is primarily focused on Active Directory (AD) but will address many concepts that are universal in system and network administration.


Top 10 Ways to Improve Active Directory Security Quickly

Sean Metcalf - Trimarc Founder & CTO

This Trimarc Webcast provides information about current AD attack methods attackers are leveraging to compromise Active Directory and 10 things you can do now to frustrate attackers.

"During the height of the SolarWinds attack [...] Trimarc was instrumental in helping CISA understand the byzantine nature of identity management."

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Jen Easterly

Director, CISA

Cybersecurity and Infrastructure Security Agency

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Trimarc is a professional services company based out of Washington, DC that helps organizations secure their Microsoft platform, both on-premises and in the cloud. Founded by Sean Metcalf, a Microsoft Certified Master in Active Directory, Trimarc's mission is to help organizations better secure their critical IT infrastructure. We focus on a “reality-based security model” which targets attacker tactics and how to best stop them. Our methodology identifies security issues in an organization attackers could exploit to fully compromise the environment and provide custom recommendations to effectively mitigate these issues.

​Trimarc Expertise

Trimarc provides leading security expertise on Identity and infrastructure platforms which include the systems on which most organizations around the world depend. Our team has extensive knowledge and expertise across Active Directory, Azure AD, Microsoft Office 365, and VMware.

The Trimarc team is comprised of subject matter experts and many have 10 to 20 years of operational experience with the platforms on which we focus. Trimarc's core value proposition to customers is that we understand the operational concerns and issues in addition to having the security vision to discover issues. This means Trimarc recommendations are feasible and actionable.


All of our services are driven by our renowned security research that has helped drive the implementation of effective protection measures for organizations reliant on Microsoft technologies.


From Active Directory to the Microsoft Cloud (Azure AD & Microsoft Office 365) to VMware, Trimarc has the knowledge and expertise to help improve your security posture. Our focus on the systems that enable today’s business positions us to effectively assess and improve enterprise security.

Trimarc’s unique methodology leverages a combination of our people, proprietary assessment tools, and process that results in the most comprehensive security assessments on the market

Concerned About Ransomware?
Trimarc’s security assessments provide detailed guidance that improves defense which mitigates the effectiveness of attacks including ransomware.

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