Case Studies


Every organization faces unique cybersecurity challenges, but successful outcomes require more than technology alone. Our case studies highlight how Gilliam Security works alongside executives, security leaders, and stakeholders to build practical security programs, strengthen governance, manage risk, and achieve critical compliance objectives in complex business environments.

From guiding organizations through leadership transitions and regulatory audits to establishing governance functions for global enterprises and preparing government contractors for CMMC requirements, these engagements demonstrate our commitment to delivering measurable results, sustainable security practices, and long-term business value.
Financial Services Program Development

Financial Services

Built a security program for a financial services company managing millions of credit cards, resulting in a successful PCI assessment and SOC 2 Type II report with no exceptions.

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Energy Company Security Governance

Energy Sector

Established governance, risk, and compliance capabilities for a multi-billion-dollar energy company while advising executive leadership through a major security transformation.

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Defense Contractor Security Roadmap

Defense Contractor

Helped a defense contractor move beyond a self-assessed compliance posture by building foundational security controls and creating a roadmap to CMMC readiness.

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