
CMMC 2.0 Compliance Checklist for DoD Contractors
If you’re a contractor or subcontractor working with the Department of Defense (DoD), chances are you’ve heard about CMMC 2.0.
Cybersecurity Consulting Firm – Cyber Castellum
Helping organizations secure IT systems and mitigate risk to align with industry regulations while going beyond compliance requirements to protect data and strengthen overall security posture.
Founded in 2018
15+ Years Average Staff Cybersecurity Experience
From regulatory readiness to technical security testing, Cyber Castellum delivers tailored consulting services that solve complex security challenges across industries.
We identify and prioritize vulnerabilities across your systems, applications, networks, and infrastructure to reduce risk, strengthen defenses, and improve your overall cybersecurity posture.
We integrate security throughout the software development lifecycle, helping organizations identify vulnerabilities early through secure architecture, code reviews, testing, and DevSecOps practices.
We help organizations manage cybersecurity risks, meet regulatory requirements, and build effective governance programs through expert guidance, documentation, and compliance support.
Younus and his team at Cyber Castellum have a thorough knowledge of CMS requirements and cyber security. Cyber Castellum is our preferred provider when it comes to 3rd party external audits, web application security assessments, as well as internal and external penetration testing. Our company offers Direct Enrollment through the healthcare.gov marketplace. To be a part of this elite group, we follow strict CMS requirements to ensure our web application is safe and secure. In a world where cyber security is of utmost concern, Cyber Castellum has proven from the start that they have what it takes to ensure we remain CMS-compliant year-to-year.
Project Manager Insurica
I have been a security testing consultant for twenty years and I have partnered with Cyber Castellum on multiple security testing engagements. They are knowledgeable, responsive, and they never fail to exceed expectations. Their thorough approach and deep expertise make them a trusted partner I can rely on for the most complex assessments. I highly recommend their services to anyone seeking top-tier cybersecurity testing.
Principal Consultant supporting New York State Agencies
Cyber Castellum has consistently delivered exceptional offensive security, penetration testing, and vulnerability scanning services for Cybertlabs and our government clients. Their ability to identify and communicate risks and vulnerabilities has exceeded our customers’ expectations, providing both depth and clarity. We rely on them not only for their technical excellence, but also for their dependability, integrity, and outstanding customer service. They are a trusted partner in pursuing and delivering our cybersecurity portfolio of work.
CEO Cybert Labs
Cyber Castellum’s consultants hold globally respected cybersecurity certifications, demonstrating expertise and a commitment to protecting organizations against evolving threats.
We support organizations in high-impact industries with strategic cybersecurity consulting and compliance expertise.
Our consulting process begins with a thorough assessment of your current IT infrastructure, workflows, and pain points.
01
Perform an analysis of the client's existing IT systems.
02
Develop IT solutions based on the analysis phase.
03
Regularly communicate with our client to any concern.
Schedule a free consultation to discuss your cybersecurity needs and explore how we can help you build a stronger security posture.
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If you’re a contractor or subcontractor working with the Department of Defense (DoD), chances are you’ve heard about CMMC 2.0.

Cloud computing has transformed the way organizations store, access, and manage data. However, as cloud adoption soars, so do security
Cyber Castellum is a cybersecurity consulting firm that specializes in the identification of security vulnerabilities in an organization’s technology landscape.
Building Trust. Creating Clarity. Securing Confidence.Talk to a certified cybersecurity consultant tailored to your organization.
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